Ransomware Research

Nulltica Ransomware

Nulltica is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on September 1, 2017, this ransomware has been actively targeting systems worldwide.

Quick Facts

Ransomware Family
Nulltica
First Seen
September 1, 2017

How Nulltica Ransomware Works

Targeted Files

Contains FaceBook spam module There are mistakes in the code of the current sample

File Encryption Patterns

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

File extensions added after encryption:

..lock..unlock

Ransom Note and Payment Demands

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

message

Ransom message:

notes/note.txt

Note locations:

Login

Technical Indicators

Associated Executable Files

The following executable files are associated with Nulltica ransomware:

  • Important.exe

Elastio Can Help You

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About This Analysis

This Nulltica 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 Nulltica.

Last updated: July 30, 2025

Nulltica Ransomware - Detectable by Elastio