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 modification behavior

Masons updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .masons

Ransom note and payment demands

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

filesix62ix.txt
notes/six62ix.txt

Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Masons ransomware:

  • masom4.exe
  • svchost.exe

About this analysis

This Masons 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 Masons.

Last updated: September 14, 2023

Detection coverage

Elastio detects Masons inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Masons across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.