Ransomware Research

MesaCorp Ransomware

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

Quick Facts

Ransomware Family
MesaCorp
First Seen
October 1, 2023

How MesaCorp Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..MesaCorp

Ransom Note and Payment Demands

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

fileread_it.txt

Ransom message:

notes/read_it.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/152yk6v3s.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with MesaCorp ransomware:

  • Mesa.exe
  • MesaRansom.exe

Elastio Can Help You

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About This Analysis

This MesaCorp 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 MesaCorp.

Last updated: July 30, 2025

MesaCorp Ransomware - Detectable by Elastio