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