Ransomware Research

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

Ransomware Family
M@r1a
First Seen
October 1, 2018

How M@r1a ransomware works

File modification behavior

M@r1a updates file modification timestamps after encryption.

File encryption patterns

M@r1a modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
  • .mariacbc

Ransom note and payment demands

After encrypting files, M@r1a displays ransom notes demanding payment for file recovery:

fileReadME-M@r1a.txt
notes/ReadME-M@r1a.txt

Location: RootDiscs, Desktop

fileReadME-Encryptor.txt
notes/ReadME-Encryptor.txt

Location: RootDiscs, Desktop

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: January 6, 2023

Detection coverage

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 hunt against your recovery points to confirm.