Ransomware Research

CryptoMix-NOOB Ransomware

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

Quick Facts

Ransomware Family
CryptoMix-NOOB
First Seen
July 1, 2017
Known Aliases
NOOB

How CryptoMix-NOOB Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..NOOB

Ransom Note and Payment Demands

After encrypting files, CryptoMix-NOOB 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-NOOB ransomware:

  • Oren Music Panel Control
  • BCFA752030.exe
  • Oren Music PanelControl
  • BCC6F66321.exe

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About This Analysis

This CryptoMix-NOOB 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-NOOB.

Last updated: October 30, 2025

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