{
  "family": "antivirus",
  "sample_count": 1,
  "category": "ransomware",
  "description": "<h3>Executive Summary</h3>\nWhile \"Antivirus\" refers to a critical category of legitimate security software, malware authors frequently exploit this terminology and concept to execute sophisticated Rogue Security Software (FakeAV) or Scareware attacks. These threats masquerade as legitimate endpoint protection tools, aiming to trick users into believing their systems are heavily infected and coercing them into paying for a fake \"premium\" license to remove non-existent threats.\n\n<h3>Technical Implementation and Deception Tactics</h3>\nMalware masquerading as Antivirus relies entirely on social engineering and visual deception rather than sophisticated technical exploits.\n\nCommon techniques employed by FakeAV include:\n<ul>\n<li><strong>Visual Masquerading:</strong> The malware creates highly realistic, animated graphical user interfaces (GUIs) that perfectly mimic the branding, colors, and scanning animations of legitimate security products (like Windows Defender, Norton, or McAfee).</li>\n<li><strong>Fabricated Scans and Alerts:</strong> Upon execution, the FakeAV performs a fabricated, rapid \"system scan\" and inevitably produces a terrifying list of critical \"infections\" (often completely benign system files).</li>\n<li><strong>Coercion and Extortion:</strong> The user is bombarded with persistent, uncloseable pop-ups warning of imminent data loss. The only proposed solution is to input credit card details to purchase the \"full version\" of the software to clean the \"infected\" machine.</li>\n<li><strong>System Disruption:</strong> To force compliance, advanced FakeAV variants may actively disable the Task Manager, block access to real security vendor websites, and prevent the execution of legitimate executable files, effectively holding the system hostage.</li>\n</ul>\n\n<h3>Security Implications</h3>\nFakeAV is highly effective because it preys on user fear and a lack of technical understanding. Beyond the immediate financial loss from fraudulent credit card charges, these programs often act as droppers, installing secondary info-stealers or serving as a distraction while true ransomware encrypts the background system.\n\n<h3>Defense and Mitigation Strategies</h3>\n<ul>\n<li><strong>User Education:</strong> The primary defense against FakeAV is aggressive user training. Employees must be taught to never purchase software prompted by a random pop-up and to recognize the authorized, centrally managed security tools utilized by the enterprise.</li>\n<li><strong>Application Whitelisting:</strong> Implement strict application control policies (like Windows AppLocker) to prevent the execution of unapproved binaries, stopping FakeAV executables from launching regardless of their deceptive names.</li>\n<li><strong>Safe Mode Remediation:</strong> Because FakeAV often blocks standard administrative tools, remediation frequently requires booting the infected machine into Windows Safe Mode, manually removing the malicious registry keys, and running a scan with a verified, standalone enterprise security tool.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "FakeAV",
    "Rogue.Antivirus",
    "Scareware"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1036.003",
    "T1480",
    "T1562.001"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-01T16:33:16Z",
  "type": "Rogue Security Software",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}