Ransomware Research
Anonymous Ransomware
Anonymous is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Anonymous
- First Seen
- February 1, 2023
How Anonymous Ransomware Works
File Encryption Patterns
Anonymous modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
./\.[a-z0-9]{4}$/Ransom Note and Payment Demands
After encrypting files, Anonymous displays ransom notes demanding payment for file recovery:
for dencryptRansom message:
notes/for dencrypt
Note locations:
EveryFolderRansom message:
notes/
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Anonymous ransomware:
Gta v online.exesvchost.exe
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About This Analysis
This Anonymous 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 Anonymous.
Last updated: October 30, 2025
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