Ransomware Research

NoBit Ransomware

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

Quick Facts

Ransomware Family
NoBit
First Seen
August 1, 2023

How NoBit Ransomware Works

Targeted Files

https://app.any.run/tasks/01c94ef1-0bed-4c60-9a95-8f9a0faf0050/

File Encryption Patterns

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

File extensions added after encryption:

..bit

Ransom Note and Payment Demands

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

filereadme.rtf

Ransom message:

notes/readme.rtf

Note locations:

Desktop
message

Ransom message:

notes/note.txt

Note locations:

OnceOnCompletion
screenshot

Ransom message:

notes/wallpaper.bit.png

Note locations:

Desktop

Technical Indicators

Associated Executable Files

The following executable files are associated with NoBit ransomware:

  • NoBit.exe
  • 232464727
  • try.exe

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About This Analysis

This NoBit 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 NoBit.

Last updated: July 30, 2025

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