Ransomware Research

MuskOff Ransomware

MuskOff is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
MuskOff
First Seen
November 1, 2023

How MuskOff Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..MuskOff

Ransom Note and Payment Demands

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

fileread_it.txt

Ransom message:

notes/read_it.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with MuskOff ransomware:

  • Crack.exe

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About This Analysis

This MuskOff 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 MuskOff.

Last updated: July 30, 2025

MuskOff Ransomware - Detectable by Elastio