Ransomware Research

GrujaRSorium Ransomware

GrujaRSorium is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2018, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
GrujaRSorium
First Seen
November 1, 2018

How GrujaRSorium ransomware works

File encryption patterns

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

Extensions added after encryption
.aes.aesed.GrujaRS

Ransom note and payment demands

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

message
notes/note.txt
Location: OnceOnCompletion
screenshot
notes/GrujaRS.png
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with GrujaRSorium ransomware:

About this analysis

This GrujaRSorium 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 GrujaRSorium.

Last updated: December 30, 2025

Detection coverage

Elastio detects GrujaRSorium inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify GrujaRSorium 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

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