Easy Removal Of .crab extension virus From Windows

“{Ransomware” is a kind of malware identity that is basically considered as the most destructive malware kind. Although a large number of varieties or ransomware available throughout the globe, .crab extension virus is a newly discovered ransomware program as per the researchers. This malware secretly enters insde computer and do encryption of all saved data without seeking any permission. According to what researchers have found, this malware can easily attack a computer that is running Windows OS being regardless of what version is active or installed. However, the type of files that can be affected by this crucial infection includes videos, images, audios, and many more. It can actually target any kind of files leaving no options for a victim to access their own data on their very own computers.

After attacking a machine, .crab extension virus at first try to replicate its presence inside computer by adding some special files or entries inside critical areas. Some of the common areas that mostly gets affected are registry entries, startup files, windows root directories, and so on. Means, you can easily justify the loss you would have to bear in case if the malware manage intruding your machine. After being active on a machine, .crab extension virus instantly starts doing encryption of saved data by implementing combined AES and RSA cryptography. After the data gets infected, it’s file extension say .doc, .mp3, etc automatically suffixed with .crab extension. That means if you see a file having such extension and being inaccessible, it’s affected by .crab extension virus ransomware.

More About .crab extension virus

Since the encryption is done once .crab extension virus has affected a machine, it also want to make users aware of its attack and changes. In order to do so, this malware deploys a ransom note inside computer and creates its shortcut on Desktop. Clicking this file, will show you some common statement like your system is infected along with some instructions to decrypt them. The instructions actually tells the victims to contact a specified email or number to connect with cyber criminals. They enforce users to pay a ransom amount to them after which they will provide a decryption key with specific toll to recover the encrypted data.

How .crab extension virus actually comes through?

Being a malware kind, .crab extension virus is a bit different from other malware kinds and mostly attack a computer brutally. it’s distributed by its developers through spam email attachments and other methods as where the millions of hits are offered by worldwide users. As a result, once a user download such attachments or clicks the associated file shared over the web, the malware is downloaded and executed inside system to its actions. So, identifying .crab extension virus is probably hard for any user unless their system is fully secured against such infections. If not, the malware will easily attack and do its modifications. In order to deal with this malware, experts recommend to remove .crab extension virus with a powerful solution and opt backup or other common options to recover their data loss. If you are intended to remove .crab extension virus as well, we suggest you following the steps below.


Steps To Remove .crab extension virus From Compromised Computer

The infections like .crab extension virus or similar ones or those belong to other malware category are all designed to generate with only ill intention to make money for its developers who make use of any technique to force you down. However, most of the security experts associated with different security associations say this is not much harmful browser and can be removed from an infected computer by getting through some steps. If you follow the steps in the same order and with full attention as described in the procedures below, we hope you can also free up your PC easily. It’s recommended to take a hard copy of the guidelines on paper or get another computer to assist you following the steps without any hassles.

Step 1:Track and remove .crab extension virus from computer’s processes from task manager.

Step 2:Locate and delete the definition of this program from startup files, registry files, and host files.

Step 3:Removal of .crab extension virus from all reputed browsers.

Step 4:Delete .crab extension virus with an automatic solution(The Safest and most recommended method)

Step 1: Track and remove .crab extension virus from computer’s processes from task manager.

  • Launch the Task Manager by pressing a key combination CTRL+SHIFT+ESC simultaneously.

  • Review the suspicious processes and note down its file location on computer.end-malicious-process

  • Terminate the processes now.

  • Open the “Run” command box and enter the noted down location to open in file explorer.

  • Delete the file permanently.

Step 2: Locate and delete the definition of this program from startup files, registry files, and host files

  • Launch the file explorer or any folder from my computer.

  • Click on “View” option in the above Menu (Older Windows version’s user may go to control panel to open “Folder options”)

  • Choose “Folder and Search Options”

  • Click over “View” tab.

  • Scroll down to find “Show hidden files and folders” option, and check it in the check box.

  • Find “Hide protected operating system files” and uncheck it. (This will allow you to see super-hidden files in any folder to identify the suspicious ones.)

  • Click “Apply” then “Ok”

Cleaning .crab extension virus definitions from Windows registry

  • To open Windows registry editor, click Win+R combination.

  • Type “regedit” ro simply copy and paste in the command line

  • Press Ok.

  • Navigate to below mentioned registry files depending on your OS versions (32 bit or 64 bit) and delete the files.

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run] or

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] or


  • Now Launch the Windows explorer and navigate to %appdata% to find and delete suspicios executable files from there, and close the window.

Fixing Hosts file to block the unwanted redirections on all active browsers

  • Open windows explorer and navigate to Windows directory.

  • Go to System32/drivers/etc/host

  • open the host file and notice it. If the system is hijacked by the infection you would see several IP definitions at the bottom.

  • Select those IP addresses and delete them. (Don’t delete the local host entry)

  • Save and close the file, and exit the explorer window.

Step 3: Removal of .crab extension virus from all reputed browsers (Steps included for Chrome, Firefox & Internet Explorer)

Google Chrome

  • Launch Chrome browser.

  • Click over the main menu icon and select Tools or More Tools, then Extensions.

  • Scroll down to notice the list of installed extensions to find suspicious one and click the bin option beside it.

  • Click remove button to confirm the deletion.

  • Finally, Reset the Chrome settings to default leaving nothing behind.

Mozilla Firefox

  • Launch the Firefox and press CTRL+SHIFT+A to open extension Window.

  • Look for the .crab extension virus extension and Disable it.

  • Now go to Help section.

  • Click over Troubleshooting information then hit the Reset button.

  • Confirm the act to reset the browser.

Internet Explorer

  • Simply, open the browser and click thee Gear Icon on the upper right corner.

  • Navigate to Internet options and click it.

  • Now, navigate to Toolbars and Extensions, to see the list of installed addons to find unwanted one.

  • Disable or delete the selected extensions permanently.

  • In order to reset the Ie, click over Advanced tab, and click Reset.

  • Press OK button to confirm.

Cleaning the browser’s shortcuts on the computer is also recommended in most of the cases and should be accomplished for all installed browsers, for which the steps are:

  • Select the browser short-cut, and right click on it.

  • Navigate the properties and click it.

  • In the opened window, find the target option, and remove the argument for .crab extension virus .

  • Apply the changes.

Step 4: Remove .crab extension virus with an automatic solution

Although the removal method through manual instructions are effective and proven to provide the best results, still some of the victimized users may fail to get the results as per their desire. This can happen due to lack of technical consent to access most of the administrative utilities as used in above guidelines. If you also got stuck through the instructions or seeking the safest method which needs not any high end manual steps, then opting an automatic solution could be the best solution. You just need to do a few instructions taken in practice to install and scan the system deeply that will fix all issues and remove .crab extension virus completely. The required steps to do so is all here mentioned.


Easily remove all online trending threats from your PC safely at just single click.

Step 1:Download and install .crab extension virus removal tool and install it on your computer (Note:this is a free scanner that will detect the present malwares on your system only. In order to fix the threats completely, you would have to buy its full version to remove the threats.)

Step 1

Step 2: After the installation is finished, run the scanner and you will see the two options as depicted in the image below. Click on “Scan Computer Now” button.

Step 2

Step 3: In this step, you would see the scanning process bar with detection of found threats and its short description along-with its categorized thumbnail.

Step 3

Step 4: Lastly, the scanner finishes scanning the computer to show full list of detected threats on computer. Just click on “Fix Threats” button to complete the removal that hardly takes a few moments depending upon the nature and severity level of the malware items.

Step 4