Ransomware Research
EthanLock Ransomware
EthanLock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- EthanLock
- First Seen
- January 1, 2025
How EthanLock Ransomware Works
Targeted Files
https://www.joesandbox.com/analysis/1576013/0/html
File Encryption Patterns
EthanLock modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lockRansom Note and Payment Demands
After encrypting files, EthanLock displays ransom notes demanding payment for file recovery:
README.txtRansom message:
notes/README.txt
Note locations:
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About This Analysis
This EthanLock 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 EthanLock.
Last updated: July 30, 2025