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

File encryption patterns

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

Extensions added after encryption
.bit

Ransom note and payment demands

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

filereadme.rtf
notes/readme.rtf
Location: Desktop
message
notes/note.txt
Location: OnceOnCompletion
screenshot
notes/wallpaper.bit.png
Location: Desktop

Technical indicators

Associated executable files

The following executable files are associated with NoBit ransomware:

About this analysis

This NoBit ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like NoBit.

Last updated: December 30, 2025

Detection coverage

Elastio detects NoBit inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify NoBit across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.

See How the Hunt Engine WorksRequest a Demo

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