M@r1a Ransomware
M@r1a is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2018, this ransomware has been actively targeting systems worldwide.
Quick facts
How M@r1a ransomware works
File encryption patterns
M@r1a modifies encrypted files using specific patterns to mark them as encrypted:
Ransom note and payment demands
After encrypting files, M@r1a displays ransom notes demanding payment for file recovery:
notes/ReadME-M@r1a.txt
notes/ReadME-Encryptor.txt
Technical indicators
Associated executable files
The following executable files are associated with M@r1a ransomware:
- SF.exe
- ransom.exe
About this analysis
This M@r1a 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 M@r1a.
Last updated: December 30, 2025
Elastio detects M@r1a inside your data and backups.
The Hunt Engine uses Deep File Inspection to identify M@r1a 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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