Ransomware Research
CipherLocker Ransomware
CipherLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2025, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- CipherLocker
- First Seen
- February 1, 2025
How CipherLocker Ransomware Works
Targeted Files
Incorrect btc addr -> jm8l3RYul0e1TlOxNFaz1cXV7Ol8WFzqEk
File Encryption Patterns
CipherLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..clockerRansom Note and Payment Demands
After encrypting files, CipherLocker displays ransom notes demanding payment for file recovery:
README.txtRansom message:
notes/README.txt
Note locations:
DesktopTechnical Indicators
Associated Executable Files
The following executable files are associated with CipherLocker ransomware:
CipherLocker.exe
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About This Analysis
This CipherLocker 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 CipherLocker.
Last updated: July 30, 2025