Ransomware Research

Masons Ransomware

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

Quick Facts

Ransomware Family
Masons
First Seen
January 1, 2023

How Masons Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..masons

Ransom Note and Payment Demands

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

filesix62ix.txt

Ransom message:

notes/six62ix.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Masons ransomware:

  • masom4.exe
  • svchost.exe

Elastio Can Help You

Don't let Masons ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

About This Analysis

This Masons 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 Masons.

Last updated: July 30, 2025