Quote:Bitdefender's BDGrandCrabDecryptTool can help you recover your files you have to check the extension appended by GrandCrab to all locked documents on your computer.

If the locked files have .GDCB, .KRAB, or random ten character extension made out of capital letters you have been infected by GrandCrab v1, v4, or v5, versions supported by Bitdefender's free GrandCrab ransomware decryptor.

More details regarding the versions of GrandCrab ransomware BDGandCrabDecryptTool supports and a detailed step by step tutorial on how to unlock your files are available on Bitdefender Labs or in the how-to guide (.PDF) provided by the No More Ransom portal.