Ransomware Research
EOEO Ransomware
EOEO is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- EOEO
- First Seen
- August 1, 2018
How EOEO Ransomware Works
Targeted Files
Extension can be added to already encrypted files 7-8 or even many times file_name.eoeo.eoeo.eoeo.eoeo.eoeo.eoeo.eoeo Emty ransom note Written in AutoIt
File Encryption Patterns
EOEO modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..eoeoRansom Note and Payment Demands
After encrypting files, EOEO displays ransom notes demanding payment for file recovery:
Readme.lolRansom message:
notes/Readme.lol
Note locations:
RootDiscsDesktopProgramDataLocalApplicationDataTechnical Indicators
Associated Executable Files
The following executable files are associated with EOEO ransomware:
EOEO.exe
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About This Analysis
This EOEO 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 EOEO.
Last updated: July 30, 2025