Ransomware Research

Robux Ransomware

Robux is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on October 1, 2021, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Pay-5000-Robux.

Quick facts

Ransomware Family
Robux
First Seen
October 1, 2021
Known Aliases
  • Pay-5000-Robux

How Robux ransomware works

File modification behavior

Robux updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • ./\.[a-z0-9]{4}/

Ransom note and payment demands

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

fileread_it.txt
notes/read_it.txt

Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Robux ransomware:

  • svchost.exe
  • som.exe
  • Greenville Money Script. txt.exe

About this analysis

This Robux 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 Robux.

Last updated: December 21, 2022

Detection coverage

Elastio detects Robux inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Robux 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.