Ransomware Research

CryptoMix-0000 Ransomware

CryptoMix-0000 is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on November 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick facts

Ransomware Family
CryptoMix-0000
First Seen
November 1, 2017

How CryptoMix-0000 ransomware works

File encryption patterns

CryptoMix-0000 modifies encrypted files using specific patterns to mark them as encrypted:

Extensions added after encryption
.0000

Ransom note and payment demands

After encrypting files, CryptoMix-0000 displays ransom notes demanding payment for file recovery:

file_HELP_INSTRUCTION.TXT
notes/_HELP_INSTRUCTION.TXT
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with CryptoMix-0000 ransomware:

About this analysis

This CryptoMix-0000 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 CryptoMix-0000.

Last updated: December 30, 2025

Detection coverage

Elastio detects CryptoMix-0000 inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify CryptoMix-0000 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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What is CryptoMix-0000 Ransomware? | Elastio