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:

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
notes/LEEAME.txt
Location: Desktop
fileREAD_IT.txt
notes/READ_IT.txt
Location: Desktop
fileReadmeRobinhood.txt
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with RobinHood HT ransomware:

About this analysis

This RobinHood HT 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 RobinHood HT.

Last updated: December 30, 2025

Detection coverage

Elastio detects RobinHood HT inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify RobinHood HT 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.

See How the Hunt Engine WorksRequest a Demo

Recent ransomware

Explore other threats in our database

Wxlongda2025VeilCrypt2025TitanLabooboo2025SolidBit2022SnapHackLocker2024PySystemUpdate2025PySimCrypt2025Monkey2025Lol2025HWID2025
View all ransomware →