Ransomware Research
Mamona Ransomware
Mamona is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Mamona
- First Seen
- March 1, 2025
How Mamona Ransomware Works
Targeted Files
https://socradar.io/labs/app/ioc-radar/0f6d6ef9b82ece9dbbdc711ac00b5e6a
File Encryption Patterns
Mamona modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..HAesRansom Note and Payment Demands
After encrypting files, Mamona displays ransom notes demanding payment for file recovery:
README.HAes.txtRansom message:
notes/README.HAes.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Mamona ransomware:
Mamona-fxb.exemamona_sample.exe
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About This Analysis
This Mamona 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 Mamona.
Last updated: July 30, 2025