Ransomware Research

Charon Ransomware

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

Quick facts

Ransomware Family
Charon
First Seen
August 1, 2025

How Charon ransomware works

File modification behavior

Charon updates file modification timestamps after encryption.

File encryption patterns

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

Extensions added after encryption
  • .Charon

Ransom note and payment demands

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

fileHow To Restore Your Files.txt
notes/How To Restore Your Files.txt

Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with Charon ransomware:

  • charon.exe

About this analysis

This Charon 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 Charon.

Last updated: June 3, 2026

Detection coverage

Elastio detects Charon inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Charon across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a hunt against your recovery points to confirm.