Ransomware Research

NWOransom Ransomware

NWOransom is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2023, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
NWOransom
First Seen
September 1, 2023

How NWOransom Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..sub_to_crypto_nwo

Ransom Note and Payment Demands

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

fileWindows!System32.txt

Ransom message:

notes/Windows!System32.txt

Note locations:

EveryFolder
screenshot

Ransom message:

notes/6fsx37syz.jpg

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with NWOransom ransomware:

  • NWOransom.exe
  • ntoskrnl.exe
  • ntoskrnl_.exe

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About This Analysis

This NWOransom 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 NWOransom.

Last updated: July 30, 2025

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