Autofixerpro

Overview

Autofixerpro (classified in antivirus detection telemetry under designations including Adware:Win32/Autofixerpro, Adware.Win32.Autofixerpro, and Win32/Autofixerpro) is a commercial adware and potentially unwanted application (PUA) bundled with third-party software installers to monetize search navigation and display intrusive advertising. Disseminated across enterprise networks and consumer workstations via social engineering, phishing attachments, malicious drive-by downloads, or weaponized software cracks, Autofixerpro executes an initial reconnaissance phase upon system ingress. The binary evaluates host privileges, detects active hypervisors and sandbox environments to evade behavioral analysis, and establishes resilient autostart persistence by configuring registry keys under HKCU\Software\Microsoft\Windows\CurrentVersion\Run or registering background Windows services. Operational mechanics characteristic of this family include browser homepage modification, search provider hijacking, shortcut tampering, and background advertising service registration. Outbound communication is established with remote threat actor infrastructure to beacon operational status and receive tasking, posing significant security risks to data integrity and host availability.

Known aliases

Threat reports may refer to this family under multiple names:

• Adware:Win32/Autofixerpro
• Adware.Win32.Autofixerpro
• Win32/Autofixerpro

MITRE ATT&CK Techniques

Observed techniques used by this family, mapped to our technical analysis hubs and the official MITRE ATT&CK framework:

MITRE D3FEND™ Defensive Countermeasures

Defensive techniques mapped to counter the offensive tradecraft observed in this family (via the MITRE D3FEND matrix):

Tiered Detection Rules (Cisco CAIRN Model)

Modern threat detection requires multi-layered rule engineering. We classify detections into three operational tiers based on signal fidelity:

rule MALWARE_WIN_AUTOFIXERPRO_T1_ARTIFACT {
    meta:
        description = "Tier 1 Primitive Artifact: Raw string matches for Autofixerpro"
        tier = "T1 - Primitive Artifact"
        confidence = "Low-Medium (Fast Triage)"
        author = "SystemHelpdesk Threat Research Desk"
        date = "2026-10-14"
    strings:
        $s1 = "autofixerpro" ascii wide nocase
        $s2 = "adware:win32/autofixerpro" ascii wide nocase
        $s3 = "adware.win32.autofixerpro" ascii wide nocase
        $s4 = "win32/autofixerpro" ascii wide nocase
    condition:
        uint16(0) == 0x5a4d and any of them
}

title: SystemHelpDesk Detection - Autofixerpro (Adware) Execution & Triage
id: e7db6409-252b-5f22-9f75-2ac06654d598
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
  with the Autofixerpro malware family. Detects suspicious execution from temporary
  user directories with hidden window flags and background transfer utilities.
references:
- https://malware-families-catalog.systemhelpdesk.com/families/autofixerpro
- https://malware-families-catalog.systemhelpdesk.com/defensive/ransomware-protection
- https://malware-families-catalog.systemhelpdesk.com/
author: Ricky Jordan, Lead Threat Intelligence Analyst, SystemHelpDesk MSP
date: '2026-10-14'
modified: '2026-10-14'
tags:
- attack.adware
- author.ricky-jordan
- source.systemhelpdesk-mfc
- attack.t1176
- attack.t1112
- attack.t1547_001
- attack.t1071_001
- attack.t1036
logsource:
  category: process_creation
  product: windows
detection:
  selection_process:
    Image|endswith:
    - \cmd.exe
    - \powershell.exe
    - \cscript.exe
    - \wscript.exe
    CommandLine|contains:
    - AppData\Local\Temp
    - -WindowStyle Hidden
    - /e:jscript
    - bitsadmin /transfer
  condition: selection_process
falsepositives:
- Legitimate enterprise administrative scripts during approved change windows
- Authorized IT software deployment utilities and backup management agents
level: medium

rule MALWARE_WIN_AUTOFIXERPRO_T3_ATTRIBUTION {
    meta:
        description = "Tier 3 Attribution Fingerprint: Heuristic detection for Autofixerpro tradecraft"
        tier = "T3 - Attribution Fingerprint"
        confidence = "High (Confirmed Family Signature)"
        author = "SystemHelpdesk Threat Research Desk"
        date = "2026-10-14"
    strings:
        // Core family identifier & heuristic payload signatures
        $attrib_str = "autofixerpro" ascii wide nocase
        $pe_magic = "MZ" ascii
        $net_marker = "http" ascii nocase
    condition:
        uint16(0) == 0x5a4d and ($attrib_str and $net_marker) and filesize < 15MB
}

Containment & Response Steps

Ordered checklist for responders. Adapt to your environment and engage professional support for active incidents.

1. Boot the infected machine into 'Safe Mode with Networking' to prevent the Autofixerpro persistence mechanisms from launching and blocking remediation tools.
2. Use the Registry Editor to manually re-enable Task Manager and Command Prompt if they were disabled by the malware.
3. Run a full system scan using a known, trusted, enterprise-grade anti-malware solution to detect and remove the rogue executable.
4. Educate the user on the deceptive tactics of rogue security software and instruct them to contact their credit card company if they made a payment.

What to Avoid

Common mistakes during response to this family that can destroy evidence, spread the infection, or worsen recovery.

1. Do not input any personal or financial information into the payment portals presented by the software.
2. Avoid attempting to manually delete the Autofixerpro files in normal Windows mode, as the malware may actively defend itself and block deletion.

References & External Analysis

• Microsoft Defender Threat Encyclopedia - Adware:Win32/Autofixerpro
• Kaspersky Threat Intelligence - Adware.Win32.Autofixerpro
• MITRE ATT&CK - Enterprise Techniques
• Search "autofixerpro" on VirusTotal (External Analysis)
• Search "autofixerpro" on Any.Run (Sandbox Sandbox)
• Search "autofixerpro" on MalwareBazaar (Malware Samples)

Frequently Asked Questions

Related Threats (Category: Adware)

Explore other documented threats in the same operational category:

• Spigot
• Swizzor
• Kuaiba
• Rungbu
• Opencandy
• Kuaizip
• Advancedpccare
• Ibryte

Machine-readable

Get this profile as JSON: https://malware-families-catalog.systemhelpdesk.com/api/autofixerpro.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.