Ransomware Research

Minotaur Ransomware

Minotaur is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2018, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Minotaur
First Seen
October 1, 2018

How Minotaur ransomware works

File encryption patterns

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

Extensions added after encryption
.Lock

Ransom note and payment demands

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

fileHow To Decrypt Files.txt
notes/How To Decrypt Files.txt
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Minotaur ransomware:

About this analysis

This Minotaur 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 Minotaur.

Last updated: December 30, 2025

Detection coverage

Elastio detects Minotaur inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Minotaur 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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What is Minotaur Ransomware? | Elastio