Ransomware Research

HsHarada Ransomware

HsHarada is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
HsHarada
First Seen
April 1, 2023

How HsHarada ransomware works

File encryption patterns

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

Extensions added after encryption
.m9SRob

Ransom note and payment demands

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

filem9SRob-README.txt
notes/m9SRob-README.txt

About this analysis

This HsHarada 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 HsHarada.

Last updated: December 30, 2025

Detection coverage

Elastio detects HsHarada inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify HsHarada 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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