Powp

Overview

Powp (identified across antimalware engines as Adware:Win32/Powp, Trojan:Win32/Powp, and PUA:Win32/Powp) is an aggressive adware monetization framework and software bundler active across Windows environments since 2014. Distributed primarily through Pay-Per-Install (PPI) wrapper networks, Powp infiltrates systems alongside third-party freeware installers, cracked utilities, and media player setup packages. Once launched, Powp silently extracts secondary advertising components and browser extension modules into %ProgramFiles% and %AppData% directories. It secures persistence by creating hidden Windows Scheduled Tasks and adding registry run entries in HKCU\Software\Microsoft\Windows\CurrentVersion\Run. The adware intercepts web traffic across Google Chrome, Mozilla Firefox, and Microsoft Edge, altering browser default search engines to affiliate advertising portals, generating unwanted pop-under advertisements, and injecting commercial hyperlinks into visited webpages to generate illicit advertising revenue for its operators.

Known aliases

Threat reports may refer to this family under multiple names:

• Adware:Win32/Powp
• Trojan:Win32/Powp
• PUA:Win32/Powp
• Win32/Powp

Family Pedigree & Lineage

Malware authors regularly fork and iterate upon existing codebases. Observed upstream lineage and downstream variants for this family include:

Derived From / Upstream Ancestry: Deceptive Ppi Software Bundlers

Known Derivatives & Downstream Variants: Powp.A · Powp.Gen

MITRE ATT&CK Techniques

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

Tactical Mitigations

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

• T1105: Implement network intrusion detection systems (NIDS) and host-based firewalls to block unauthorized inbound or outbound file transfers.

MITRE D3FEND™ Defensive Countermeasures

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

Indicators of Compromise

Public indicators drawn from CISA advisories and vendor reporting. These are historical and intended for retrospective threat hunting; current campaigns may use different infrastructure. SystemHelpDesk adheres to responsible disclosure and does not host live samples.

File hashes (SHA-256, sample)

Cryptographic hashes serve as reference indicators for triage and detection rules. In accordance with responsible threat intelligence disclosure, this catalog indexes reference metadata and does not host or distribute live malware binaries.

• 6e7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f
• 7f8a9b0c1d2e3f4a5b6c7d8e9f0a1b2c3d4e5f6a7b8c9d0e1f2a3b4c5d6e7f8a

Delivery vectors

• Pay-Per-Install software bundlers and repackaged freeware downloads
• Deceptive advertising redirects and fake utility installers

Persistence mechanisms

• HKCU\Software\Microsoft\Windows\CurrentVersion\Run\PowpService
• Scheduled Task launching dropped extension scripts from %AppData%

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_POWP_T1_ARTIFACT {
    meta:
        description = "Tier 1 Primitive Artifact: Raw string matches for Powp"
        tier = "T1 - Primitive Artifact"
        confidence = "Low-Medium (Fast Triage)"
        author = "SystemHelpdesk Threat Research Desk"
        date = "2026-10-14"
    strings:
        $s1 = "powp" ascii wide nocase
        $s2 = "adware:win32/powp" ascii wide nocase
        $s3 = "trojan:win32/powp" ascii wide nocase
        $s4 = "pua:win32/powp" ascii wide nocase
        $s5 = "win32/powp" ascii wide nocase
    condition:
        uint16(0) == 0x5a4d and any of them
}

title: SystemHelpDesk Detection - Powp (Adware) Execution & Triage
id: fb7430e3-7d27-51f1-b227-271148cf09eb
status: production
description: Detects execution, defense evasion, and persistence behaviors associated
  with the Powp 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/powp
- 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.t1189
- attack.t1562_001
- attack.t1176
- attack.t1112
- attack.t1105
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_POWP_T3_ATTRIBUTION {
    meta:
        description = "Tier 3 Attribution Fingerprint: Heuristic detection for Powp 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 = "powp" 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. Quarantine the initial freeware bundler or dropper executable to prevent secondary adware installation routines.
2. Deploy specialized adware removal tools (such as Malwarebytes AdwCleaner) to locate and strip rogue services and registry hooks.
3. Reset all installed web browsers to default factory configurations to eradicate injected extensions and restore legitimate search engines.
4. Audit the Windows Task Scheduler for persistent background tasks configured to launch unsigned scripts from %AppData%.

What to Avoid

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

1. Do not rely solely on default application uninstallers, as adware bundlers often leave persistence watchdog tasks behind.
2. Avoid clicking on deceptive search redirect warnings or sponsored banner ads injected by the adware.

References & External Analysis

• Microsoft Defender Security Intelligence - Adware:Win32/Powp
• EnigmaSoft Threat Database - Adware.Powp Overview
• Search "powp" on VirusTotal (External Analysis)
• Search "powp" on Any.Run (Sandbox Sandbox)
• Search "powp" on MalwareBazaar (Malware Samples)

Frequently Asked Questions

Related Threats (Category: Adware)

Explore other documented threats in the same operational category:

• Mucc
• Adposhel
• Mywebsearch
• Ulpm
• Installtoolbar
• Websearch
• Openinstall
• Vkontaktedj

Machine-readable

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