Ransomware Research

NURRI Ransomware

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

Quick Facts

Ransomware Family
NURRI
First Seen
July 1, 2023

How NURRI Ransomware Works

Targeted Files

Full extension -> .id[C63F241F-3352].[nury_espitia@tuta.io].NURRI

File Encryption Patterns

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

File extensions added after encryption:

..NURRI

Ransom Note and Payment Demands

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

fileinfo.txt

Ransom message:

notes/info.txt

Note locations:

RootDiscsDesktop
fileinfo.hta

Ransom message:

notes/info.hta

Note locations:

RootDiscsDesktop

Technical Indicators

Associated Executable Files

The following executable files are associated with NURRI ransomware:

  • svchost.exe

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About This Analysis

This NURRI 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 NURRI.

Last updated: July 30, 2025

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