Ransomware Research
AvosLocker Ransomware
AvosLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2021, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- AvosLocker
- First Seen
- July 1, 2021
How AvosLocker Ransomware Works
File Encryption Patterns
AvosLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..avos..avos2..avoslinuxRansom Note and Payment Demands
After encrypting files, AvosLocker displays ransom notes demanding payment for file recovery:
GET_YOUR_FILES_BACK.txtRansom message:
notes/GET_YOUR_FILES_BACK.txt
Note locations:
EveryFolderREADME_FOR_RESTORERansom message:
notes/README_FOR_RESTORE
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with AvosLocker ransomware:
d285f1366d0d4fdae0b558db690497ea.exe.@test campaign jan-linux-amd64.binpotter.exe
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About This Analysis
This AvosLocker 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 AvosLocker.
Last updated: October 30, 2025
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