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Ransomware Research
OnyxLocker Ransomware
OnyxLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2019, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- OnyxLocker
- First Seen
- October 1, 2019
How OnyxLocker Ransomware Works
Targeted Files
Replaces original extensions -> 13-using_powerpoint.ppt -> 13-using_powerpoint.onx
File Encryption Patterns
OnyxLocker modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..onx
Ransom Note and Payment Demands
After encrypting files, OnyxLocker displays ransom notes demanding payment for file recovery:
/^RECOVERY INSTRUCTIONS [0-9]{1} \.txt$/
Note locations:
Desktop
/^Read-me!!! [0-9]{1,2} \.txt$/
Ransom message:
notes/Read-me!!! 10 .txt
Note locations:
Desktop
/^Прочти меня! [0-9]{1} \.txt$/
Ransom message:
notes/Прочти меня! 0 .txt
Note locations:
Desktop
Technical Indicators
Associated Executable Files
The following executable files are associated with OnyxLocker ransomware:
goload_1008_1569853988.doc
OnyxLocker.exe
LTE.exe
lte.exe
Elastio Can Help You
Don't let OnyxLocker ransomware take over your data
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About This Analysis
This OnyxLocker 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 OnyxLocker.
Last updated: July 30, 2025