Kuaizip

Category: adware · Aliases: Adware.KuaiZip, PUP.KuaiZip, Win32/KuaiZip, KuaiZip Adware · Sample count (EMBER 2018): 483 · Enrichment: documented_reference_only · Updated: 2026-06-09
Category: AdwareActor: Unknown / CybercriminalIndustry: Global / OpportunisticMotivation: Opportunistic

Overview

kuaizip is classified as adware or a potentially-unwanted program associated with intrusive advertising or bundling. It has one or more associated MITRE ATT&CK technique references (linked on this page) that document the behaviors observed for it. We have not yet published a hand-verified detailed profile for this family; the MITRE references below are the authoritative source for its documented techniques.

Known aliases

Threat reports may refer to this family under multiple names:

MITRE ATT&CK Techniques

This family has been observed using the following ATT&CK techniques: T1176 T1112

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_KUAIZIP {
    meta:
        description = "Detects Kuaizip (adware)"
        author = "SystemHelpdesk Boilerplate Generator"
        date = "2026-07-06"
    strings:
        $s1 = "kuaizip" ascii wide nocase
        $s2 = "adware.kuaizip" ascii wide nocase
        $s3 = "pup.kuaizip" ascii wide nocase
        $s4 = "win32/kuaizip" ascii wide nocase
        $s5 = "kuaizip adware" ascii wide nocase
    condition:
        uint16(0) == 0x5a4d and any of them
}

Sigma Rule

title: Suspicious Kuaizip Activity
id: e1352738c365353075eec355d6933c45
status: experimental
description: Detects generic indicators of the kuaizip malware family.
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith:
            - '\cmd.exe'
            - '\powershell.exe'
        CommandLine|contains:
            - "*kuaizip*"
            - "*adware.kuaizip*"
            - "*pup.kuaizip*"
            - "*win32/kuaizip*"
            - "*kuaizip adware*"
    condition: selection
level: medium

References & External Analysis

Frequently Asked Questions

Where can I learn more about kuaizip?

Refer to the linked MITRE ATT&CK technique pages, which document the behaviors associated with this family.

How do I remove the Kuaizip Adware from Windows?

Manual removal of Kuaizip is highly discouraged as it may leave persistence mechanisms intact. We recommend disconnecting the device from the internet and utilizing a professional incident response service or enterprise-grade EDR software to conduct a full forensic sweep.

Is Kuaizip a virus or a Adware?

Kuaizip is classified as a Adware. Unlike traditional viruses that infect files, modern malware like Kuaizip typically operates as a standalone payload designed to compromise systems, steal data, or deploy secondary stage implants.

What are the main symptoms of a Kuaizip infection?

Symptoms of Kuaizip can include unexpected system slowness, unauthorized outbound network traffic to unknown IP addresses, disabled security software, and suspicious background processes running from AppData or Temp directories.

Related Families (Category: adware)

Explore other malware families in the same category:

Protect Your Network Against Adwares

Want to prevent Kuaizip and similar threats from compromising your organization? Read our comprehensive defensive guide: Adware & PUP Protection.

Need help with an active incident? Published by the SystemHelpdesk team.

Machine-readable

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