Ransomware Research

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

Ransomware Family
ABCLocker
First Seen
July 1, 2017

How ABCLocker ransomware works

File modification behavior

ABCLocker updates file modification timestamps after encryption.

Ransom note and payment demands

After encrypting files, ABCLocker displays ransom notes demanding payment for file recovery:

fileOPEN_TO_UNLOCK_YOUR_FILES.html
notes/OPEN_TO_UNLOCK_YOUR_FILES.html

Location: UserFolders

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: February 20, 2023

Detection coverage

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 hunt against your recovery points to confirm.