Ransomware Research

Nlb Ransomware

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

Quick Facts

Ransomware Family
Nlb
First Seen
January 1, 2023

How Nlb Ransomware Works

Targeted Files

Full extension -> .id-C63F241F.[Rileyb0707@aol.com].nlb

File Encryption Patterns

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

File extensions added after encryption:

..nlb

Ransom Note and Payment Demands

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

fileInfo.hta

Ransom message:

notes/Info.hta

Note locations:

StartUp
fileFILES ENCRYPTED.txt

Ransom message:

notes/FILES ENCRYPTED.txt

Note locations:

RootDiscsDesktop

Technical Indicators

Associated Executable Files

The following executable files are associated with Nlb ransomware:

  • program.exe
  • software.exe
  • file.exe

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About This Analysis

This Nlb 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 Nlb.

Last updated: July 30, 2025

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Nlb Ransomware - Detectable by Elastio