Ma1x0 Ransomware
Ma1x0 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2024, this ransomware has been actively targeting systems worldwide.
Quick facts
How Ma1x0 ransomware works
File encryption patterns
Ma1x0 modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, Ma1x0 displays ransom notes demanding payment for file recovery:
notes/HOW TO RESTORE FILES.txt
Technical indicators
Associated executable files
The following executable files are associated with Ma1x0 ransomware:
- Sesmn.exe
- sesmn.exe
About this analysis
This Ma1x0 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 Ma1x0.
Last updated: December 30, 2025
Elastio detects Ma1x0 inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify Ma1x0 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.
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