{
  "family": "orangedefender",
  "sample_count": 1,
  "category": "ransomware",
  "description": "<h3>Executive Summary</h3>\nOrangeDefender is a prominent example of Rogue Security Software (also known as FakeAV or Scareware). It is a highly deceptive program engineered to masquerade as a legitimate, enterprise-grade antivirus solution. Its primary objective is to artificially induce panic by displaying fabricated security alerts, coercing the user into purchasing a useless \"premium\" license to remove non-existent threats.\n\n<h3>Distribution and Deceptive Behavior</h3>\nOrangeDefender is typically distributed via aggressive \"malvertising\" campaigns, deceptive pop-up ads claiming the user's system is already infected, or bundled alongside legitimate software downloaded from untrustworthy third-party repositories.\n\nOnce installed, OrangeDefender relies heavily on psychological manipulation and system interference:\n<ul>\n<li><strong>Fabricated Scans and Alerts:</strong> The software automatically initiates a \"system scan\" immediately upon installation. This scan will invariably \"detect\" dozens of critical malware infections, regardless of the actual state of the system. It constantly bombards the user with high-urgency pop-up warnings and system tray notifications.</li>\n<li><strong>System Crippling:</strong> To force a purchase, OrangeDefender often actively prevents the user from launching legitimate applications (including real antivirus software, Task Manager, or web browsers), falsely claiming that these applications are \"infected\" and must be blocked for the user's safety.</li>\n<li><strong>Extortion via Purchase:</strong> The ultimate goal is to force the user to click a \"Remove Threats\" button, which redirects them to a payment portal to purchase the \"full version\" of OrangeDefender. Payment results in financial loss and often leads to the theft of the user's credit card information.</li>\n</ul>\n\n<h3>Risk Assessment</h3>\nWhile OrangeDefender generally does not encrypt files like ransomware or silently steal banking credentials in the background, it is highly disruptive. It renders the infected system practically unusable and represents a significant social engineering threat that preys on end-user fear.\n\n<h3>Mitigation and Removal Strategies</h3>\n<ul>\n<li><strong>Safe Mode Remediation:</strong> Because OrangeDefender actively blocks legitimate security tools from running, the infected system should be rebooted into \"Safe Mode with Networking.\" In this mode, the fake AV's persistence mechanisms are often bypassed.</li>\n<li><strong>Reputable Anti-Malware Scan:</strong> While in Safe Mode, utilize a trusted, enterprise-grade anti-malware solution (like Malwarebytes or Microsoft Defender Offline) to perform a full system scan and remove the OrangeDefender executables and registry keys.</li>\n<li><strong>User Education:</strong> Organizations must actively train users to recognize scareware tactics and mandate that all security software be deployed and managed centrally by the IT department, rather than installed ad-hoc by end-users.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "Rogue.OrangeDefender",
    "FakeAV.OrangeDefender",
    "Trojan:Win32/FakeAV"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1489",
    "T1562.001",
    "T1491"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-01T16:39:01Z",
  "type": "Rogue Security Software",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}