Ransomware Research

DarkLocker Ransomware

DarkLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on March 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Monument.

Quick Facts

Ransomware Family
DarkLocker
First Seen
March 1, 2017
Known Aliases
Monument

How DarkLocker Ransomware Works

Targeted Files

Fake

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Technical Indicators

Associated Executable Files

The following executable files are associated with DarkLocker ransomware:

  • RTInstaller
  • RTInstaller.exe
  • winlk.exe
  • RAT

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About This Analysis

This DarkLocker 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 DarkLocker.

Last updated: July 30, 2025

DarkLocker Ransomware - Detectable by Elastio