Ransomware Research

Tyson Ransomware

Tyson is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Tyson
First Seen
September 1, 2024

How Tyson Ransomware Works

Targeted Files

Protected with Enigma (v4). Does not run on the VM

File Encryption Patterns

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

File extensions added after encryption:

..tyson

Ransom Note and Payment Demands

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

fileDECRYPTION INSTRUCTIONS.txt

Ransom message:

notes/DECRYPTION INSTRUCTIONS.txt

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with Tyson ransomware:

  • tyson_protected.exe
  • operative.exe
  • tyson.exe
  • svchost.exe

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About This Analysis

This Tyson 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 Tyson.

Last updated: July 30, 2025

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