Ransomware Research
Cyrat Ransomware
Cyrat is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Cyrat
- First Seen
- August 1, 2020
How Cyrat Ransomware Works
Targeted Files
Written in Python 3.7 (PyInstaller)
File Encryption Patterns
Cyrat modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..CYRATRansom Note and Payment Demands
After encrypting files, Cyrat displays ransom notes demanding payment for file recovery:
RANSOME_NOTE.txtRansom message:
notes/RANSOME_NOTE.txt
Note locations:
UserFoldersTechnical Indicators
Associated Executable Files
The following executable files are associated with Cyrat ransomware:
python Ransomware.exe
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About This Analysis
This Cyrat 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 Cyrat.
Last updated: July 30, 2025