ABCLocker Ransomware
ABCLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on July 1, 2017, this ransomware has been actively targeting systems worldwide.
Quick facts
Ransom note and payment demands
After encrypting files, ABCLocker displays ransom notes demanding payment for file recovery:
notes/OPEN_TO_UNLOCK_YOUR_FILES.html
Technical indicators
Associated executable files
The following executable files are associated with ABCLocker ransomware:
- cloudsword.exe
- abclocker.exe
- Tory.exe
- Windows Update.exe
About this analysis
This ABCLocker ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like ABCLocker.
Last updated: December 30, 2025
Elastio detects ABCLocker inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify ABCLocker across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.
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