Ransomware Research
ZeroCrypt Ransomware
ZeroCrypt is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2016, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- ZeroCrypt
- First Seen
- October 1, 2016
How ZeroCrypt Ransomware Works
File Encryption Patterns
ZeroCrypt modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..zn2016Ransom Note and Payment Demands
After encrypting files, ZeroCrypt displays ransom notes demanding payment for file recovery:
ZEROCRYPT_RECOVER_INFO.txtRansom message:
notes/ZEROCRYPT_RECOVER_INFO.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with ZeroCrypt ransomware:
ManBeCareful.ex_
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About This Analysis
This ZeroCrypt 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 ZeroCrypt.
Last updated: July 30, 2025