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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
..avoslinux
Ransom Note and Payment Demands
After encrypting files, AvosLocker displays ransom notes demanding payment for file recovery:
GET_YOUR_FILES_BACK.txt
Ransom message:
notes/GET_YOUR_FILES_BACK.txt
Note locations:
EveryFolder
README_FOR_RESTORE
Ransom message:
notes/README_FOR_RESTORE
Note locations:
EveryFolder
Technical Indicators
Associated Executable Files
The following executable files are associated with AvosLocker ransomware:
d285f1366d0d4fdae0b558db690497ea.exe.@
test campaign jan-linux-amd64.bin
potter.exe
Elastio Can Help You
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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: September 30, 2025
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