Ransomware Research
M142 HIMARS Ransomware
M142 HIMARS 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
- M142 HIMARS
- First Seen
- March 1, 2025
How M142 HIMARS Ransomware Works
File Encryption Patterns
M142 HIMARS modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..M142HIMARSRansom Note and Payment Demands
After encrypting files, M142 HIMARS displays ransom notes demanding payment for file recovery:
READ_NOTE.htmlRansom message:
notes/READ_NOTE.html
Note locations:
EveryFolderRansom message:
notes/output.png
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with M142 HIMARS ransomware:
!!!m142.zipM142.exe
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About This Analysis
This M142 HIMARS 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 M142 HIMARS.
Last updated: July 30, 2025