Ransomware Research

RobinHood HT Ransomware

RobinHood HT is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2019, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: RobinHood HT, Proyecto X, RobinHood-SystemR, RobinHood-Turkish.

Quick Facts

Ransomware Family
RobinHood HT
First Seen
April 1, 2019
Known Aliases
RobinHood HTProyecto XRobinHood-SystemRRobinHood-Turkish

How RobinHood HT Ransomware Works

File Encryption Patterns

RobinHood HT modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..robinhood

Ransom Note and Payment Demands

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

fileLEEAME.txt

Ransom message:

notes/LEEAME.txt

Note locations:

Desktop
fileREAD_IT.txt

Ransom message:

notes/READ_IT.txt

Note locations:

Desktop
fileReadmeRobinhood.txt

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with RobinHood HT ransomware:

  • Proyecto X.exe
  • SystemR.exe
  • Trojan.Ransom.RobinHood.exe
  • Ransomware RobinHood.exe
  • RobinHood.exe
  • d36e6282363c0f9c05b7b04412d10249323d8b0000f2c25f96c6f9de207eedf8_uOUzNsTRJb.exe
  • eee.exe

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About This Analysis

This RobinHood HT 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 RobinHood HT.

Last updated: October 30, 2025

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