Ransomware Research

Hero Ransomware

Hero is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on April 1, 2025, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Hero
First Seen
April 1, 2025

How Hero Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..hero77

Ransom Note and Payment Demands

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

file#Read-for-recovery.txt

Ransom message:

notes/#Read-for-recovery.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/3199685AE4B0F378C744AE4BABEDBB73.png

Note locations:

Desktop

Elastio Can Help You

Don't let Hero ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

About This Analysis

This Hero 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 Hero.

Last updated: July 30, 2025