{
  "family": "visicom",
  "sample_count": 7,
  "category": "advanced_threat",
  "description": "Adware:Win32/Visicom is an aggressive Potentially Unwanted Program (PUA) and adware family, functioning primarily as a **Browser Hijacker**. Its core objective is to silently install rogue browser extensions, intercept web traffic, inject intrusive advertisements, and forcibly redirect a user's search queries to affiliated, low-reputation search engines to generate illicit pay-per-click revenue.<br><br><b>Understanding Visicom Adware</b><br>To an end-user, a Visicom infection is highly disruptive. Their familiar Google or Bing homepage is suddenly replaced by an unknown portal (often branded with 'Visicom Media' properties), their browser becomes sluggish, and they are bombarded with irrelevant, often deceptive banner ads perfectly targeted to their recent searches. For security analysts, it represents a classic Pay-Per-Install (PPI) monetization scheme combined with aggressive telemetry collection, utilizing persistence mechanisms to prevent easy removal.<br><br><b>Execution and Hijacking Mechanics</b><br>Visicom is heavily distributed via deceptive software bundlers (`T1189`) found on third-party freeware sites or disguised as legitimate browser toolbars (like 'V-Bates' or 'MyPCBackup'). Upon execution, the installer uses 'Dark Patterns' to bypass user consent (`T1204.002`). It establishes persistence via Registry Run keys. It installs rogue Browser Helper Objects (BHOs) and extensions (`T1176`) to intercept all web traffic (`T1185`). Crucially, its 'spy' component aggressively logs search queries and visited URLs, sending this telemetry back to the adware operators to serve highly targeted injected advertisements and manipulate search engine results.<br><br><b>Indicators of Compromise & Impact</b><br>The primary impact is a severely degraded user experience, compromised browsing privacy, and wasted helpdesk resources. Incident responders will observe anomalous HTTP/HTTPS traffic routing through known adware tracking networks. EDR logs will flag the installation of the Visicom extensions (often disguised with generic names) and the unauthorized modification of browser registry keys (`HKLM\\SOFTWARE\\Policies\\Google\\Chrome\\ExtensionInstallForcelist`).",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [],
  "enrichment_level": "expert-seo",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1176",
    "T1185",
    "T1204.002",
    "T1189"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-06-09",
  "mitre_attack_detail": [
    {
      "id": "T1189",
      "name": "Drive-by Compromise (Bundled Installers)",
      "tactic": "Initial Access"
    },
    {
      "id": "T1176",
      "name": "Browser Extensions (BHO / Toolbar installation)",
      "tactic": "Persistence"
    },
    {
      "id": "T1185",
      "name": "Browser Session Hijacking (Search redirection and ad injection)",
      "tactic": "Collection"
    },
    {
      "id": "T1204.002",
      "name": "User Execution: Malicious File",
      "tactic": "Execution"
    }
  ],
  "containment_steps": [
    "Use the Windows Control Panel to attempt uninstallation of the adware and any bundled software (toolbars) installed on the exact same date.",
    "Deploy an enterprise adware removal tool (e.g., AdwCleaner) to locate and strip the deeply embedded registry hooks and force-installed extensions.",
    "Force a complete reset of all installed web browsers to factory defaults to eradicate the rogue extensions and restore the default search engine and homepage.",
    "Quarantine the endpoint during cleanup to halt the active exfiltration of browsing telemetry."
  ],
  "what_to_avoid": [
    "Do not rely solely on the browser's 'remove extension' button; the underlying adware often utilizes watchdog services or Group Policy overrides to immediately reinstall the extension.",
    "Avoid ignoring the infection; adware tracking data is highly detailed and may expose corporate activities to third-party data brokers."
  ],
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}