What is Crabdefend.com?
Crabdefend.com is an untrusted website that delivers users unwanted pop-ups and advertisements on their browsers. It also redirects current tabs to other suspicious sites that may only pose a threat to the computer.
It is possible that you've visited and clicked on a suspicious website. Simply navigate away and dismiss the tab if you see the stated website in your browser.
If the website continues to appear even when you are surfing on a legitimate site, your browser may have been infected with adware. Programs and plugins that contain viruses are the main causes of browser-related problems.
This malware infection is particularly developed by cyber criminals to gain profit from their affiliates by purposefully delivering intrusive adverts and redirections to site visitors. Furthermore, it can be a threat to the computer since it has the power to change the browser settings and track the user's web activities without their consent.
Malware developers have a variety of methods for infecting a user's machine. Adware or advertisement-supported software may be installed into the computer through torrent downloads and software bundling.
The application may appear as a legitimate application that the user requires to improve their surfing experience, or it may display an alert that the system is infected and that downloading their software will assist in its removal.
Needless to mention, web users must be vigilant while visiting the web because many fall for phishing sites and alert pop-up scams.
How do I know if I am infected?
Being redirected to Crabdefend.com is an obvious indication that the browser has been compromised, but there are other ways to tell if your computer has been infected with an adware infection.
Noticing a variation in the homepage menu is another clue since adware programs would most likely alter browser settings and set another search engine into the user's browser.
Similar to that, undesirable extensions are also often installed so noticing new and unfamiliar plugins will most likely be another indication of an adware infecting your system. In addition, pop-ups and notifications from unknown sources may be showing up on the computer screen every once in a while.
Lastly, the browser program will most likely be slower than before and it may crash considerably more often. If you see any of the above symptoms, an adware program has likely been installed on your computer.
Following the steps below will help you delete the unwanted application and prevent the threat from continuing to perform weird actions on your system.
Crabdefend.com Removal Procedure
The methods provided below are intended to help you remove any potential malware, trojans, rootkits, and viruses from the computer system, in addition to stopping the malicious Crabdefend.com pop-ups and redirections.
Removing malware from the system and the browser should be thorough and carefully executed; therefore, please follow every step provided.
We made the instructions below easy to understand so non-tech-savvy users can still remove the browser threat without needing help from tech support or a computer technician.
Step 1: Reset the browser to its default settings
Resetting the browser includes complete reversal and wiping out history, homepage settings, default search engines, and browser permissions, which may be used by malicious actors to show pop-ups and redirect the user to the Crabdefend.com domain.
In addition, the browser reset does not include the favorites tabs, bookmarks, or saved passwords in some cases. To reset your browser to its default settings, please follow the steps below for the browser you are using.
1. Open the Google Chrome browser and click the three dots in the upper-right corner of your screen to access the drop-down menu.
2. From the menu presented, select the Settings button, then click the Advanced menu on the left side of the screen from the settings.
3. On the drop-down menu presented on the screen, select Reset and Clean up.
4. Click on the Restore settings to their original defaults.
5. Then a small confirmation window will appear; click the Reset Settings.
1. Launch the Mozilla Firefox browser, then open the menu by clicking on the three horizontal lines located in the upper-right corner.
2. Navigate down and click Help, then select More Troubleshooting Information from the options given.
3. Select the Refresh Firefox button. Then click Refresh Firefox on the confirmation window that appears.
1. Run Microsoft Edge on the computer and click the three-dot icon in the upper-right corner.
2. Click on the Settings button from the drop-down menu.
3. Find and click Reset Settings from the left sidebar. Then click on the option Restore settings to their default values.
4. A warning window will appear, telling you that you are about to reset the browser. Click Reset, and the browser should return to its default settings.
The configurations added by adware and browser hijackers have all been removed, and your browser has now been entirely reset to the settings it had when you initially installed it. You can use your browser with complete security now. Rest assured that pop-ups from Crabdefend.com as well as the redirections won't appear again.
Now that the redirects have been removed, our attention will turn to removing any malware that may have been installed on the computer while the redirections were active.
Step 2: Uninstall unwanted programs from the computer
Adware, often known as advertising software, is the main culprit behind most browser-related issues which can include the Crabdefend.com virus. If the redirections persist even after the browser has been reset, the adware may have been installed on the system.
Many users may not know this, but adware can automatically configure the browser to show pop-ups and redirect web pages. When it detects that users have removed the current configuration, it will immediately replace it again without requesting the users' consent.
Additionally, malware can also be implemented through these redirections, which is why it's crucial to verify the applications that are already installed on your computer to determine whether any malware has possibly been installed.
How will I know what to uninstall?
Giving the exact name of the malicious program may be complicated, but there are ways to make it easier to detect it. One of which is to simply remove all unknown programs you do not recognize or think you have not installed. You may have applications that you don't even know the use for; that is a sign that they can be malware.
Unless it is a system process, which you can see by checking the developer of the application, some trojan viruses also use recognized and legitimate names to obfuscate their programs. If the publisher name or source of the program is unknown to you, it is best to uninstall it.
Another thing to do is to look at the version number; the majority of adware and dangerous programs will have version 1.0 because they don't need to be updated and are merely running as background applications.
To remove malicious programs from your computer, we have provided two ways to do so: one is through normal uninstallation, and if that does not work, we also provide an advanced uninstall method to make sure it will be removed without issues.
Remove software via Control Panel
The most common way to remove malware from your computer is to uninstall the program through the Control Panel. You may view all of your installed apps as well as the developer's name in the list of applications.
You can eventually remove the cause of Crabdefend.com malware and other adware-related browser troubles by uninstalling the programs you do not recognize.
1. From the Windows search bar at the bottom of your screen, search for Control Panel and click the result that matches the same application.
2. You will see different options, such as System and Security, as well as User Accounts. But what you want to click is the Uninstall a program under the Programs section. Depending on your Windows version, hovering over the uninstall section will be relatively the same.
3. Now that you are on the Programs and Features page, it will show you all the installed programs. There will be filters you may want to use, such as viewing them in lists with details such as the publisher, version number, and when they were installed.4. Right-click the suspected virus program and click Uninstall to get rid of it (We will be using Adaware as an example). It will then proceed to remove the application, or you will be presented with an uninstaller that will guide you to remove it; either way, it will be removed. There is a chance that the program may not be uninstalled successfully, and when that happens, it is important to use the power of an uninstaller program such as Revo Uninstaller.
It is widely known to be enough to remove malicious programs that are evading uninstallation. If you encounter such an issue when proceeding to uninstall the app, you may utilize the uninstaller to do the job for you.
Remove malicious programs via Revo Uninstaller
For computer users who are not sure of what to do. You may resort to using Revo Uninstaller since it is much more effective and easy to use. Revo Uninstaller is a handy tool for Windows users.
This uninstaller not only removes programs from the computer but also deletes their changes from the Windows Registry, Host File, etc. Following the steps below will guide you on how to install and use Revo Uninstaller to get rid of the source of Crabdefend.com pop-ups and redirects.
1. Click the button below to proceed with installing Revo Uninstaller on your computer since we have made an in-depth guide on how to use it on the following page. On the other hand, you can also head over to Revouninstaller.com and download it from there.
2. After the setup file (revosetup.exe) has finished downloading, run the installation wizard, read the license agreement, and click agree to proceed to the next step of the installation. Follow the procedure and wait until the installation of the software is complete.
3. Once the software has launched, find the unwanted application that needs to be removed and double-click the program to uninstall it. (We will be using the Mozilla Firefox browser as a demonstration.)
4. Click on the Continue button and follow the procedure to start uninstalling the program. It is also advised to make sure that a System Restore Point is made before the uninstallation, just in case.
5. You will be prompted to choose a scanning mode. From the three options available, select Advanced mode, then click Scan.6. A window will pop up and show all of the leftovers and changes made by the uninstalled program. Click the Select All button and hit Delete to remove the leftovers found in the Windows Registry.
Once the window closes, you have successfully removed the malware threat from your system. And we believe with absolute certainty that once the malicious program has been removed, the Crabdefend.com browser issue will now be fixed, and you can now continue browsing the web without being redirected to unknown sites.
Step 3: Scan with powerful malware removal software
Crabdefend.com pop-ups and redirects may seem to only affect the browser, but leaving them there makes the symptoms worse.
Highly damaging malware could have been installed on the computer. They can conceal themselves within the system files and registry, making them resistant to browser reset and software uninstallation.
For these virus threats, we recommend running a full system malware scan with Malwarebytes Anti-Malware. This program is widely known and recognized by security experts when it comes to removing viruses from the system.
Remove Crabdefend.com with Malwarebytes Anti-Malware
We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common browser threats as shown from our tests with the software, and we assure you that it can remove Crabdefend.com as well as other malware hiding on your computer.
Not to mention, it is free to use and does not come at any cost to remove the viruses it finds on your computer.
To use Malwarebytes and remove malicious threats from the computer, follow the steps below:
1. Download Malwarebytes by clicking the button below, as we have made an additional and in-depth tutorial on how to use it. Otherwise, you may go to their official website via Malwarebytes.com (Avoid misspelling as it may lead to scams).
2. Visit their download section and start a Free Download to begin installing the software on your computer.3. Once the Malwarebytes setup file (MBsetup.exe) has finished downloading, open the executable file in File Explorer, then right-click the setup and select run as administrator to give the highest system authority and make sure Malwarebytes is installed correctly.4. Make sure to carefully follow the installation setup wizard's instructions and provide the relevant information it requires. You will be prompted with questions such as Personal or Business Use, Email Address, and others.5. From the application's home screen, go to the scan tab and begin running a system scan. This will scan the whole computer, including memory, startup items, the registry, and the file system. This is done so that not only Crabdefend.com but also other trojan viruses hiding in the system can be detected.6. Since it can take a while, you should either relax and wait for it to finish or find something else to do. The length of the scan depends on the size of the files you have and the hardware capabilities of your computer. Here are some ways to make scanning faster.
7. Once the scan is finished, Malwarebytes will show the malicious viruses and threats it found on your PC. Crabdefend.com will also show up on the detection results, and it will be given a threat name such as PUP.Optional.Wave, and many more.8. Select all the detected files from the report and click the quarantine button to remove the malicious items from the computer into the protected safe quarantine zone of the anti-malware program so that they would not affect and do malicious actions to the PC again.9. After placing the virus files in the program’s quarantine, it may prompt you to restart the computer to finalize the full system scan procedure. Please restart your computer if prompted, as it is essential. After the restart, Malwarebytes will open and display a message that the scan was complete.
Note: Don't forget to delete the quarantined files afterward.
Simply quarantining the malware files is not enough to make sure they are completely removed. This is a very common misconception: once you click the quarantine button, it is all good and gone.
But, while its effects and harmful activities are halted, the malware is still in the system, only placed in the anti-malware program's quarantine folders. To completely remove it from the computer, go to Detection History from the home screen, select all Quarantined items, and click Delete.
You have successfully removed Crabdefend.com as well as the hidden threats on your computer. Rest assured they would not resurface again since Malwarebytes offers a premium trial for 14 days, so you could take advantage of it for free and prevent malware from infecting your system.
While the detection and removal of malware is free for Malwarebytes, the premium versions include real-time protection that ensures your computer is safe all the time. Although we encourage you to use the premium trial, you are free to purchase the full version if you find it useful.
The program is anti-malware that removes harmful threats like trojan horses, worms, stealers, miners, keyloggers, and many other forms of malware and computer viruses.
We suggest Malwarebytes if you are looking for a removal tool and as a second opinion scanner, but if you want full-fledged antivirus software, we believe that the built-in Windows Defender is sufficient for computer security, or if you want something with a more sophisticated system, and better protection: Kaspersky Free.
If you choose to uninstall Malwarebytes, you may suddenly see that Windows Defender Real-Time Protection is turned off. This is a common issue that users may face when uninstalling the software. To fix this issue, you may refer to this article.
Alternative: Kaspersky Free Antivirus
After removing Crabdefend.com and other malicious threats, you may want to install antivirus software to protect your system against malware.
More importantly, running an additional scan with a different program's threat database will alert you to hidden Trojan viruses and rootkits that were not removed from the prior scan with Malwarebytes. Kaspersky is a widely known antivirus software that has been on the market for as long as the field of cybersecurity has existed. It is acclaimed by professionals in the field and is one of the most effective antivirus programs available. With its advanced internet security protection, it can also remove additional malware from the computer.
What is the difference between anti-malware and antivirus? Anti-Malware software is designed to specifically remove malware and its variants. In addition, it employs heuristic-based detection by picking up harmful code from files.
On the other hand, an antivirus uses signature-based detection, which examines data for attacks to protect users from dangerous viruses, including keyloggers, loaders, worms, trojans, and others.
Malwarebytes and Kaspersky are identical, but Kaspersky is a better overall program since Malwarebytes' main purpose is to remove malware, but Kaspersky has been known for comprehensive computer security protection ever since.
Based on our experience removing malware, when two different programs are used to scan, various threats are identified by one software but not by the other. Given that their threat databases differ from each other, it might be able to capture harmful viruses, rootkits, and trojans that Malwarebytes has missed.
Please be aware that if you decide to use Kaspersky, you should first uninstall Malwarebytes because having both security programs installed will cause a conflict. If you choose to do so, please remove Malwarebytes first, as it is essential to do so before we get started.
1. Click the button below to start downloading Kaspersky Antivirus on your computer. On the following page, we have provided clear details on how to install it on the computer. On the other hand, you may go to their official website by searching for the software on your web browser or typing Kaspersky.com (Beware of misspellings since cybercriminals typically use these as exploits to redirect users to malicious webpages).
2. Go to the download page for Kaspersky Free Antivirus. Before clicking download, you will be prompted to choose your continent and where your country is located. This is very important, and you should not choose a different country because you will be met with a "Not supported in your region" message during installation.3. Once you click download, a setup file (startup.exe) will be downloaded on the computer. After it has finished downloading, open its file location, right-click the executable file, and then select Run as administrator. This will ensure that Kaspersky's installation will be smooth and will not result in certain errors.4. The Kaspersky installation wizard will launch, and you can then proceed to install Kaspersky Free by following the setup instructions. If a UAC prompt appears, simply accept it and proceed with the installation.5. Please be patient while Kaspersky is being installed on your computer. The speed and length of the installation process will depend on your computer's specifications. Kaspersky also mentioned that sluggishness or dark displays during the installation of their program are normal and should not be worried about.
6. To use the antivirus program, you must first create an account on the sign-in page that appears after the antivirus application has been successfully installed on the computer. If you're looking for the sign-up button, simply enter your email exactly as it appears; if you don't already have an account, one will be created for you.7. Kaspersky will ask you to decide which plan to use. It will be either the Standard version or Kaspersky Plus. In this case, the standard version is all you need for now. If you want to try the premium version of Kaspersky, you may opt for Kaspersky Plus to try the features for free. You do not have to add a payment method to get started, and after the trial ends, you will be downgraded to the Standard version unless you pay for it.8. You will be asked if you want to install additional applications, namely Kaspersky Password Manager and a VPN. Feel free to opt for a program you might want to use; otherwise, install both, or choose not to if you do not need them.9. Kaspersky will ask you to scan for viruses in the background. Simply choose not to do so because we will be doing a full system scan later; however, doing a scan now will only initiate a quick scan. However, if you want to be safe, you can run the background scan now and proceed with a full system scan after.10. Once the antivirus application has opened, go to the security tab and click the choose a scan button. You will be presented with several different scans; go for the full system scan to ensure full computer security. Always remember to update the database because this will ensure that Kaspersky can detect newly discovered threats and exploits.11. A full system scan will take a long time to finish since it will look into all the files on the computer, including the registry, memory, startup applications, and many more. The scanning time will depend on how many files there are on the computer and how big the files are. Additionally, the computer's hardware and specs will also play into how long the scan will take.
12. After the full system scan is finished, it may detect remnants of Crabdefend.com or other malware hiding in the computer, showing its location along with a detection name (Trojan.Win32.Generic, Exploit.Win32.Generic, etc.) given to it. Go ahead and proceed to disinfect and restart the computer.13. The Advanced Disinfection process will then start, and depending on the amount of RAM the computer has, it could take some time. It will then request a computer restart to complete the operation. Your computer will now have finished the entire system scan after restarting. By doing this, you can be sure that Crabdefend.com and all other forms of malware and viruses have been wiped from your computer.
You shouldn't be concerned if the scan turned up no instances of malware or viruses, which indicates that there isn't any malware on your computer. If two independent programs declare your computer safe, then that's probably the case.
For a better and safer web browsing experience, we've provided a few security measures and advice below that will safeguard your browser and computer from harmful threats like worms, malware, trojans, keyloggers, stealers, and other kinds of computer viruses that will harm user data.
Protective measures for better overall security
Removing trojan viruses and malware from the device is one thing; keeping it secure for the future and for a long period is a different thing and will require certain things to make sure you are secured, especially if you do not know most of the ins and outs of the device you are using.
Cybercriminals are always stepping up their game to make sure they infect users and extract data and money from them.
We encourage you to take the actions listed below to ensure complete security before leaving this page because we strongly promote web security and having a secure online presence.
Safeguard your privacy and data by using a VPN application
VPNs, also known as virtual private networks, guarantee your safety and complete anonymity while you browse the internet.
In contrast to a firewall, which monitors and blocks potentially harmful connections in the network, A VPN hides the user's connection via a tunnel so that it would appear to third parties as a different IP address and location.
This ensures that your data won't be leaked because the program hides it. Be aware that visiting infected websites may cause your IP address and location to be disclosed; however, if you use a VPN, this will prevent your true IP address from being revealed to malware actors.
If you already had Kaspersky installed from the previous step, you had the choice to install its integrated Virtual Private Network, which is a good tool that we also advise.
However, if you decide against doing so and instead download a VPN-only program to cloak your web browsing activity, Mullvad, and AirVPN are excellent choices for fast connections and better privacy.
Since user privacy is the main focus of a virtual private network program, Mullvad VPN excels at putting users' privacy first. You do not need to enter your email address while registering to download their application because they maintain anonymous accounts.
If you wanted to hide or didn't want your credit card information to be disclosed, they also accept Bitcoin payments. According to their website, they support a free internet that is devoid of surveillance and censorship.
They have also been announcing new server locations to guarantee users a fast connection anytime they want to connect to various areas throughout the world.
AirVPN seeks to provide users with access to the real internet, in contrast to Mullvad, which promises to offer users free internet. Along with masking your IP, they also don't monitor or log any user data.
You can use it for a long time without worrying about being disconnected because they don't impose a traffic or time limit when connecting to their network. In addition, there are infinite, cost-free server changes with physically fast servers in many different nations.
Additionally, when registering for their program, you are not required to enter your email address. They also offer strong encryption and Perfect Forward Secrecy to ensure that it is difficult to determine the user's connection.
Use an adblocker when browsing the internet
Installing an adblocker on the browser is the best way to get rid of unwanted redirects and pop-ups from Crabdefend.com as well as other threats such as browser hijackers, and unwanted toolbars.
Additionally, by blocking malicious websites before users can even access them, it is possible to prevent malware from being downloaded.
In this case, we recommend uBlock Origin, which is an open-source AdBlock extension that comes at no cost and is free forever. It is one of the most reliable plugins out there, ensuring that every advertisement on a webpage will be blocked.
For Google Chrome
1. Go to the Chrome Web Store and search for the browser extension, or click here to go directly to the extension page.
2. Click the Add to Chrome button. Then click Add extension when the confirmation window appears.
3. uBlock Origin is now installed in Google Chrome. The adblocker is turned on by default; you can click the power button if you wish to turn it off for a while. The menu can be found by clicking the puzzle icon in the upper-right corner next to the search bar.
For Mozilla Firefox
1. Visit the Firefox Add-ons Store and search for uBlock Origin, or click here to automatically go to the extension's webpage.
2. Click Add to Firefox, and after that, a confirmation window will appear stating the permissions it will grant the addon. Finally, to add it to the browser, click Add.
3. Mozilla Firefox now has uBlock Origin installed. The adblocker is activated by default; if you want to disable it for some reason, simply click the power button. The menu can be found in the upper-right corner of the web browser, next to the search bar.
For Microsoft Edge
1. Go to the Edge Addon Store and search for the said browser extension. You can also click here to go directly to the plugin page of the Adblocker.
2. Click the Get button, and a confirmation window will appear. Continue installing the extension by selecting Add extension.
3. Now that uBlock Origin is installed on the browser, you can choose to disable the Adblocker by clicking the power button. The menu can be accessed by hovering over the extension's icon next to the search bar.
The majority of pop-up advertisements, whether they include malware or not, will be filtered by the extension and no longer be displayed to you. Currently, uBlock Origin is not available for Mac or iOS users, but there are plenty of free options on the market, such as AdBlock for Safari.
Utilize a firewall to prevent cyber attacks
A security firewall is required for every internet connection that is made. It is an essential tool that enhances security and stops online attacks. Through a security mechanism, it controls incoming and outgoing network connections on your system and network and filters the undesirable ones. Consider it a further barrier against malicious assaults and zero-day exploits.
You don't need to do anything if you installed Kaspersky in the previous step because the program we installed earlier comes with a built-in firewall that is turned on by default.
On the other hand, if you prefer a standalone, fully functional firewall utility application that is exclusively focused on securing the network, we recommend these top two firewall solutions for personal computers: Comodo and ZoneAlarm.
Comodo Personal Firewall
Comodo Firewall is a well-known software program for securing your network and computer. It is a sophisticated tool with a wide range of features.
It is simple to use and doesn't require complicated configuration to set up. It also functions by being aware of your computer usage habits to avoid interfering with your work.
Additionally, it also claims to offer the highest levels of protection against both inbound and outbound threats. It secures the ports on your computer from hackers and prevents rogue software from sending your sensitive data over the internet.
ZoneAlarm Free Firewall
You can also opt for ZoneAlarm Free Firewall as your first line of defense between your device and the internet. The program safeguards your network and blocks any dangers, and you can use the free version of it without paying anything.
It provides a robust two-way protection solution that guards against spyware from disclosing your data online while also hiding your PC from nefarious hackers.
With its cutting-edge anti-bot protection, it also protects your computer from automated cyberattacks in real-time.
Additionally, it protects your computer against spam and dubious websites like Crabdefend.com and many others. Lastly, it provides real-time defense against automated cyberattacks with its cutting-edge anti-bot security.
While this may appear to be typical advice, we recommend users not visit illegal streaming or torrenting websites and more importantly, do not download anything from them because doing so may result in the installation of malware and viruses.
Because these websites are illegal, they are unable to make a profit from legitimate advertising. As a result, they host questionable advertisements from unidentified marketers that want to publicize their contents, which are most likely dangerous codes being propagated by cyber criminals.
Always make sure that your device is protected against sneaky exploits and stealthy cyberattacks. While taking precautions and avoiding dubious websites are crucial, having a solid line of defense is essential to ensuring the security of your network and data.
The threat posed by Crabdefend.com is not the only one on the internet, and there are many more surfacing every day. We are glad to have assisted you in resolving your browser-related problem and are proud of our expertise in this area.
If you experience another virus attack on your device, please visit our website to find a malware removal solution for your problem or get in touch with us, and SecuredStatus will be happy to assist you once again.