Ransomware Research
Lock3 Ransomware
Lock3 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Lock3
- First Seen
- December 1, 2023
How Lock3 Ransomware Works
File Encryption Patterns
Lock3 modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..lock3Ransom Note and Payment Demands
After encrypting files, Lock3 displays ransom notes demanding payment for file recovery:
How_to_back_files.htmlRansom message:
notes/How_to_back_files.html
Note locations:
RootDiscsDesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with Lock3 ransomware:
danger.exe.backup
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About This Analysis
This Lock3 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 Lock3.
Last updated: July 30, 2025