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