Ransomware Research
FuuCry Ransomware
FuuCry is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- FuuCry
- First Seen
- November 1, 2017
How FuuCry Ransomware Works
File Encryption Patterns
FuuCry modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cryRansom Note and Payment Demands
After encrypting files, FuuCry displays ransom notes demanding payment for file recovery:
READ ME FOR DECRYPT.txtRansom message:
notes/READ ME FOR DECRYPT.txt
Note locations:
EveryFolderRansom message:
notes/note.txt
Note locations:
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About This Analysis
This FuuCry 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 FuuCry.
Last updated: July 30, 2025