The File Extensions Database


.CRAB File Extension

  • Category: Ransomware encrypted Files

What is an .CRAB file?

.CRAB is GandCrab ransomware affected data

The crab file extension is most recently related to a new ransomware labeled as GandCrab. Much like similar ransomware it encrypts users files and demands ransom to be paid in bitcoins.

It also leaves instructions and ransom demands in a special text file "CRAB-DECRYPT.txt" file found in affected folders.


How to open:

Some specialized tools may perhaps help you with unlocking your data even without paying the ransom.

How to convert:

There is no way how to convert affected the files, you first have to purge the virus from your system and then hope for some decoding tool to appear on internet.

How to solve problems with CRAB files

  • Associate the CRAB file extension with the correct application. On :
    Windows: Right click on any CRAB file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.CRAB files". Mac: Right click (or Ctrl-click) the CRAB file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .CRAB is GandCrab ransomware affected data. Because only the current version supports the latest CRAB file format. Search, therefore, e.g. on the manufacturer website after an available .CRAB is GandCrab ransomware affected data update.
  • To make sure that your CRAB file is not corrupted or virus-infected, get the file again and scan it with antivirus software.