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

File encryption patterns

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

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
notes/ReadMe.txt
Location: Desktop
fileVenusLocker_ReadMe.txt
notes/VenusLocker_ReadMe.txt
Location: Desktop
message
notes/note.txt
Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with VenusLocker ransomware:

About this analysis

This VenusLocker 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 VenusLocker.

Last updated: December 30, 2025

Detection coverage

Elastio detects VenusLocker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify VenusLocker 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.

See How the Hunt Engine WorksRequest a Demo

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