Ransomware Research
WoodRat Ransomware
WoodRat is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2020, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- WoodRat
- First Seen
- October 1, 2020
How WoodRat Ransomware Works
Targeted Files
Sample packed with VMProtect
File Encryption Patterns
WoodRat modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..woodratRansom Note and Payment Demands
After encrypting files, WoodRat displays ransom notes demanding payment for file recovery:
LOCKED_README.txtRansom message:
notes/LOCKED_README.txt
Note locations:
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About This Analysis
This WoodRat 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 WoodRat.
Last updated: July 30, 2025