Ransomware Research

BlackKingdom Ransomware

BlackKingdom is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on February 1, 2020, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: BlackKingdom 2.0, BlackKingdom NextGen, Black_Kingdom, DemonCrypt, DemonWare, CoderWare.

Quick facts

Ransomware Family
BlackKingdom
First Seen
February 1, 2020
Known Aliases
BlackKingdom 2.0BlackKingdom NextGenBlack_KingdomDemonCryptDemonWareCoderWare

How BlackKingdom ransomware works

File encryption patterns

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

Extensions added after encryption
.DEMON.svyx./\.[a-zA-Z0-9]{4,7}$/

Ransom note and payment demands

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

fileREADME.txt
notes/README.txt
Location: Desktop
filedecrypt_file.TxT
notes/decrypt_file.TxT
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with BlackKingdom ransomware:

About this analysis

This BlackKingdom 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 BlackKingdom.

Last updated: December 30, 2025

Detection coverage

Elastio detects BlackKingdom inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify BlackKingdom 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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