Ransomware Research

Hermes Ransomware

Hermes is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Hermes 2.0 -2.1.

Quick Facts

Ransomware Family
Hermes
First Seen
February 1, 2017
Known Aliases
Hermes 2.0 -2.1

How Hermes Ransomware Works

Targeted Files

Full extension -> [supportdecrypt@firemail.cc].HRM https://app.any.run/tasks/4a35f441-8d16-498d-b65c-7f534db14831/ 1552ebd7bb7b28989ea0fe29a1c25c3dfa625c69b3f48c39730680101670358d -> doesn't change filenames

File Encryption Patterns

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

File extensions added after encryption:

..HRM

Ransom Note and Payment Demands

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

fileDECRYPT_INFORMATION.html

Ransom message:

notes/DECRYPT_INFORMATION.html

Note locations:

EveryFolder
fileDECRYPT__INFORMATION.html

Ransom message:

notes/DECRYPT__INFORMATION.html

Note locations:

EveryFolder
fileDECRYPT_INFO.txt

Ransom message:

notes/DECRYPT_INFO.txt

Technical Indicators

Associated Executable Files

The following executable files are associated with Hermes ransomware:

  • 4.exe
  • svchosta.exe
  • dsfgsdfgsdfg.exe
  • 87288.exe
  • fj (2).exe
  • My video.exe
  • 343243.exe
  • FoxCBmp3.exe
  • zz.exe
  • pr.exe
  • Avira.ServiceHost.exe

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About This Analysis

This Hermes 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 Hermes.

Last updated: July 30, 2025

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