Ransomware Research
BitCryptor Ransomware
BitCryptor is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on May 1, 2015, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- BitCryptor
- First Seen
- May 1, 2015
How BitCryptor Ransomware Works
Targeted Files
NOSAMPLE https://www.bleepingcomputer.com/forums/t/575991/bitcryptor-ransomware-in-the-wild-from-the-same-creators-as-coinvault/ BitCryptorFileList.txt in %TEMP%
File Encryption Patterns
BitCryptor modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..clfRansom Note and Payment Demands
After encrypting files, BitCryptor displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
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About This Analysis
This BitCryptor ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery solutions, helping organizations defend against and recover from ransomware attacks like BitCryptor.
Last updated: July 30, 2025