Ransomware Research
BananaCrypt Ransomware
BananaCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- BananaCrypt
- First Seen
- February 1, 2018
How BananaCrypt Ransomware Works
File Encryption Patterns
BananaCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..bananaCryptRansom Note and Payment Demands
After encrypting files, BananaCrypt displays ransom notes demanding payment for file recovery:
README.TXTRansom message:
notes/README.TXT
Note locations:
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About This Analysis
This BananaCrypt 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 BananaCrypt.
Last updated: July 30, 2025