Ransomware Research

NxRansomware Ransomware

NxRansomware is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2016, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: Nx.

Quick Facts

Ransomware Family
NxRansomware
First Seen
September 1, 2016
Known Aliases
Nx

How NxRansomware Ransomware Works

File Encryption Patterns

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

File extensions added after encryption:

..lock

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion

Technical Indicators

Associated Executable Files

The following executable files are associated with NxRansomware ransomware:

  • GoogleUpdate.exe
  • b944d3bbc8c98963
  • ransomware1.exe
  • NxRansomware
  • 1.exe
  • GoogleUpdate1.exe

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About This Analysis

This NxRansomware 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 NxRansomware.

Last updated: July 30, 2025

NxRansomware Ransomware - Detectable by Elastio