Ransomware Research
Alock Ransomware
Alock is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2023, this ransomware has been actively targeting systems worldwide.
Quick Facts
- Ransomware Family
- Alock
- First Seen
- August 1, 2023
How Alock Ransomware Works
File Encryption Patterns
Alock modifies encrypted files using specific patterns to mark them as encrypted:
File extensions added after encryption:
..alockRansom Note and Payment Demands
After encrypting files, Alock displays ransom notes demanding payment for file recovery:
HOW_TO_BACK_FILES.htmlRansom message:
notes/HOW_TO_BACK_FILES.html
Note locations:
EveryFolderTechnical Indicators
Associated Executable Files
The following executable files are associated with Alock ransomware:
AL-RansomwareRAC (1).exeAL-RansomwareRAC.exe
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About This Analysis
This Alock 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 Alock.
Last updated: July 30, 2025