Ransomware Research

Vulcan Ransomware

Vulcan is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on December 1, 2024, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
Vulcan
First Seen
December 1, 2024

How Vulcan ransomware works

File encryption patterns

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

Extensions added after encryption
.vulcan

Ransom note and payment demands

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

message
notes/note.txt
Location: OnceOnCompletion

Technical indicators

Associated executable files

The following executable files are associated with Vulcan ransomware:

About this analysis

This Vulcan 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 Vulcan.

Last updated: December 30, 2025

Detection coverage

Elastio detects Vulcan inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify Vulcan 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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