Ransomware Research

MMM Ransomware

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

Quick Facts

Ransomware Family
MMM
First Seen
December 1, 2017
Known Aliases
TripleM

How MMM Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..triple_m..MMM

Ransom Note and Payment Demands

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

fileRESTORE_triple_m__FILES.html

Ransom message:

notes/RESTORE_triple_m__FILES.html

Note locations:

EveryFolder
fileIF_YOU_NEED_FILES_READ_ME.html

Ransom message:

notes/IF_YOU_NEED_FILES_READ_ME.html
fileDECRYPT_FILES.txt

Ransom message:

notes/DECRYPT_FILES.txt

Note locations:

EveryFolder
fileRESTORE_0x009d8a_FILES.html

Technical Indicators

Associated Executable Files

The following executable files are associated with MMM ransomware:

  • MMM.exe
  • RebornMMM.exe
  • RebornMMM.bin
  • Legal Action #8423916.docx.exe
  • 1.exe
  • DropShit.exe
  • eccabbab2734555.exe

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About This Analysis

This MMM 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 MMM.

Last updated: October 30, 2025

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