Nottotrack

Overview

Executive Summary

Infection Vector and Technical Capabilities

• Pervasive Telemetry and Spyware: The core function of NotToTrack is data harvesting. It installs persistent Browser Helper Objects (BHOs) that record every URL visited, search queries entered, and links clicked. This highly detailed browsing profile is transmitted to remote, third-party advertising servers.
• Aggressive Browser Hijacking: The adware forcefully modifies the default homepage, search engine, and new tab page across Chrome, Firefox, and Edge, routing all traffic through affiliate-monetized portals.
• DOM Manipulation and Ad Injection: NotToTrack intercepts the rendering of legitimate websites, injecting its own JavaScript to overlay pages with pop-up ads, sliding banners, and in-text hyperlinks. It often replaces legitimate ads on sites with its own, stealing revenue from content creators.

Threat Assessment

Remediation and Eradication

• Targeted Anti-Malware Scan: Standard antivirus often ignores PUPs/Adware. Utilize a reputable enterprise anti-malware solution to scan for and remove the deeply embedded registry keys and the core NotToTrack installer files.
• Browser Factory Reset: Simply disabling the extension is rarely sufficient, as NotToTrack often uses watchdog processes to reinstall itself. Following the removal of the underlying files, a full factory reset of all installed web browsers is absolutely required to purge any remaining malicious extensions or modified search preferences.
• Security Awareness: Educate users on the dangers of downloading software from unofficial third-party aggregators and the deceptive nature of bundled software.

Known aliases

Threat reports may refer to this family under multiple names:

• Adware.NotToTrack
• PUP.NotToTrack
• Spyware.Tracker

MITRE ATT&CK Techniques

This family has been observed using the following ATT&CK techniques: T1185 T1176 T1546.015

Tactical Mitigations

Based on the techniques used by this family, consider the following defensive strategies:

• T1185: Enforce strong MFA and use browser isolation or hardened browsers for sensitive financial or administrative portals to defeat session hijacking.

Generated Detections (Boilerplate)

These YARA and Sigma rules are auto-generated based on the family name and aliases. They must be heavily tuned before deployment in a production environment.

YARA Rule

rule MALWARE_WIN_NOTTOTRACK {
    meta:
        description = "Detects Nottotrack (advanced_threat)"
        author = "SystemHelpdesk Boilerplate Generator"
        date = "2026-07-06"
    strings:
        $s1 = "nottotrack" ascii wide nocase
        $s2 = "adware.nottotrack" ascii wide nocase
        $s3 = "pup.nottotrack" ascii wide nocase
        $s4 = "spyware.tracker" ascii wide nocase
    condition:
        uint16(0) == 0x5a4d and any of them
}

Sigma Rule

title: Suspicious Nottotrack Activity
id: 3cd4c4adf6ad4b2037de92a651c1e5ef
status: experimental
description: Detects generic indicators of the nottotrack malware family.
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith:
            - '\cmd.exe'
            - '\powershell.exe'
        CommandLine|contains:
            - "*nottotrack*"
            - "*adware.nottotrack*"
            - "*pup.nottotrack*"
            - "*spyware.tracker*"
    condition: selection
level: medium

References & External Analysis

• Search "nottotrack" on VirusTotal (External Analysis)

Frequently Asked Questions

Related Families (Category: advanced_threat)

Explore other malware families in the same category:

• Wpepro
• Extcrome
• Slingup
• Speesipro
• Predator

Machine-readable

Get this profile as JSON: https://jordan123234-malware-families-explorer.static.hf.space/api/nottotrack.json

Ecosystem & Interactive Environments

This profile is part of the Malware Families Catalog, a public dataset of 2,899 malware families. The catalog is also published across our ecosystem: Hugging Face, Kaggle, Zenodo, Replit, StackBlitz, CodeSandbox, and CodePen.