Ransomware Research
Xlockr Ransomware
Xlockr is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Xlockr
- First Seen
- July 1, 2018
How Xlockr Ransomware Works
Targeted Files
Requires C&C to receive RSA keys
File Encryption Patterns
Xlockr modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..xlockrRansom Note and Payment Demands
After encrypting files, Xlockr displays ransom notes demanding payment for file recovery:
Ransom message:
notes/note.txt
Technical Indicators
Associated Executable Files
The following executable files are associated with Xlockr ransomware:
Extension.exeEXTENSION.EXEUPDATER.EXEUpdater.exe1.exexlockr.exemyfile.exe64TJYB6C.exe0S07PLQS.exe9HDWLGVI.exeHUQASHWE.exeMessage.exeMESSAGE.EXE
Elastio Can Help You
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About This Analysis
This Xlockr 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 Xlockr.
Last updated: July 30, 2025