Files with crab file extension can be lately found as renamed encrypted archives affected by GandCrab ransomware.

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CRAB file extension - GandCrab ransomware affected data

What is crab file? How to open crab files?

File type specification:

Ransomware encrypted file type icon Ransomware encrypted file type

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.

Help 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.

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