Ransomware Research

VenusLocker Ransomware

VenusLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2016, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
VenusLocker
First Seen
August 1, 2016

How VenusLocker Ransomware Works

Targeted Files

Requires C&C Contains date checks Contains VM checks

File Encryption Patterns

VenusLocker modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..Venusf..Venusp..VenusLf

Ransom Note and Payment Demands

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

fileReadMe.txt

Ransom message:

notes/ReadMe.txt

Note locations:

Desktop
fileVenusLocker_ReadMe.txt

Ransom message:

notes/VenusLocker_ReadMe.txt

Note locations:

Desktop
message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Technical Indicators

Associated Executable Files

The following executable files are associated with VenusLocker ransomware:

  • VenusLocker.exe
  • test.bin
  • venuslocker001.exe
  • code2
  • QDsHmoGa.exe
  • _.doc.exe.bin
  • 개인정보유출고객리스트_exe

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About This Analysis

This VenusLocker 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 VenusLocker.

Last updated: July 30, 2025

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