Ransomware Research

CryptoMix-Empty Ransomware

CryptoMix-Empty is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on August 1, 2017, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Empty.

Quick Facts

Ransomware Family
CryptoMix-Empty
First Seen
August 1, 2017
Known Aliases
Empty

How CryptoMix-Empty Ransomware Works

Targeted Files

Encrypts filenames -> magic.mgc -> B568618D045C0645F0982A1507A0E9E5.EMPTY

File Encryption Patterns

CryptoMix-Empty modifies encrypted files using specific patterns to mark them as encrypted:

File extensions added after encryption:

..EMPTY

Ransom Note and Payment Demands

After encrypting files, CryptoMix-Empty displays ransom notes demanding payment for file recovery:

file_HELP_INSTRUCTION.TXT

Ransom message:

notes/_HELP_INSTRUCTION.TXT

Note locations:

EveryFolder

Technical Indicators

Associated Executable Files

The following executable files are associated with CryptoMix-Empty ransomware:

  • BC1C9B74EA.exe
  • RacePostings

Elastio Can Help You

Don't let CryptoMix-Empty ransomware take over your data

Elastio provides advanced ransomware protection and recovery solutions to keep your organization safe.

About This Analysis

This CryptoMix-Empty 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 CryptoMix-Empty.

Last updated: July 30, 2025

CryptoMix-Empty Ransomware - Detectable by Elastio