Ransomware Research

Hermetic Ransomware

Hermetic is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2022, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Hermetic, JB, HermeticRansom, Elections GoRansom, C1.

Quick Facts

Ransomware Family
Hermetic
First Seen
February 1, 2022
Known Aliases
HermeticJBHermeticRansomElections GoRansomC1

How Hermetic Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..encryptedJB

Ransom Note and Payment Demands

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

fileread_me.html

Ransom message:

notes/read_me.html

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Hermetic ransomware:

  • client.exe
  • hermeticRansom.exe
  • kzFRIe0DZMCIenBUM.exe
  • JtiGVkvy7zLobom.exe
  • c2.exe
  • infected.exe
  • test.bin.exe
  • conhosts.exe
  • conhosts._exe

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About This Analysis

This Hermetic 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 Hermetic.

Last updated: July 30, 2025

Hermetic Ransomware - Detectable by Elastio