{
  "family": "slimware",
  "sample_count": 566,
  "category": "rogueware",
  "description": "Adware:Win32/Slimware is an intrusive Potentially Unwanted Application (PUA) family that masquerades as legitimate system optimization and driver update software.<br><br><b>What is Slimware?</b><br>For consumers, Slimware applications (such as 'SlimCleaner' or 'DriverUpdate') are a source of constant, alarming pop-ups claiming the computer is failing or outdated. For security analysts, Slimware represents a deceptive monetization scheme. While it may provide minimal functionality, its primary purpose is to generate revenue through aggressive upselling, subscription traps, and the collection of user telemetry data.<br><br><b>Infection Vectors & Threat Hunting</b><br>Slimware is typically installed via software bundling on third-party download sites or deceptive banner ads offering 'Free PC Scans'. Upon execution, it performs a heavily biased system scan, almost always reporting critical errors or outdated drivers regardless of the actual system state. It establishes persistence via scheduled tasks to launch automatically at startup. Threat hunters will observe frequent HTTP/HTTPS traffic to Slimware's telemetry servers and payment gateways. The software actively resists uninstallation, often dropping secondary watchdog processes.<br><br><b>Forensic Analysis & Impact</b><br>The impact is reduced system performance, constant user harassment, and the potential for system instability if the software forcefully installs incompatible drivers. EDR tools often classify Slimware as a 'Riskware' or 'PUA' due to its deceptive marketing tactics. Incident responders should look for heavily modified registry keys under <code>HKCU\\Software\\Slimware Utilities</code> and the presence of unwanted scheduled tasks designed to initiate daily 'scans'.",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [],
  "enrichment_level": "expert-seo",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1112",
    "T1189",
    "T1053.005",
    "T1496",
    "T1204.002"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-06-09",
  "mitre_attack_detail": [
    {
      "id": "T1189",
      "name": "Drive-by Compromise",
      "tactic": "Initial Access"
    },
    {
      "id": "T1053.005",
      "name": "Scheduled Task/Job: Scheduled Task",
      "tactic": "Persistence"
    },
    {
      "id": "T1496",
      "name": "Resource Hijacking",
      "tactic": "Impact"
    },
    {
      "id": "T1112",
      "name": "Modify Registry",
      "tactic": "Defense Evasion"
    },
    {
      "id": "T1204.002",
      "name": "User Execution: Malicious File",
      "tactic": "Execution"
    }
  ],
  "containment_steps": [
    "Quarantine the endpoint to halt the constant telemetry collection and aggressive upselling prompts.",
    "Audit the Windows Task Scheduler and delete any tasks associated with Slimware or 'System Optimization' routines.",
    "Utilize specialized adware removal tools (like AdwCleaner) to locate and strip the deep registry hooks established by the software.",
    "Manually audit the 'Add/Remove Programs' list and uninstall the primary application and any hidden secondary modules."
  ],
  "what_to_avoid": [
    "Do not allow users to pay for the 'Premium' upgrades offered by the software; it is a deceptive tactic to generate revenue.",
    "Avoid using the software's built-in 'Driver Update' feature, as it frequently installs incompatible or corrupted drivers, causing Blue Screens of Death (BSODs)."
  ],
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}