Ransomware Research
Cephalo Ransomware
Cephalo is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on June 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Cephalo
- First Seen
- June 1, 2019
How Cephalo Ransomware Works
Targeted Files
Requires parameter to start -> 951d78dd92eba7daa3ef009ce08bba91a308e13bdeb8325af35bc8202bd76e9b.exe Q2VwaGFsbyAoQmV0YSk=
File Encryption Patterns
Cephalo modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..cephRansom Note and Payment Demands
After encrypting files, Cephalo displays ransom notes demanding payment for file recovery:
_READ_ME_.txtRansom message:
notes/_READ_ME_.txt
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Cephalo ransomware:
Cephalo.exe
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About This Analysis
This Cephalo 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 Cephalo.
Last updated: July 30, 2025