Ransomware Research

DarkWorld Ransomware

DarkWorld is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2021, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
DarkWorld
First Seen
January 1, 2021

How DarkWorld ransomware works

File encryption patterns

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

Extensions added after encryption
.dark

Ransom note and payment demands

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

fileImportant.txt
notes/Important.txt
Location: Desktop

About this analysis

This DarkWorld 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 DarkWorld.

Last updated: December 30, 2025

Detection coverage

Elastio detects DarkWorld inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify DarkWorld 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.

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