{
  "family": "wrar",
  "sample_count": 1,
  "category": "trojan",
  "description": "<h3>Executive Summary</h3>\n\"Wrar\" (often flagged as Riskware.Wrar or PUP.Wrar) is a detection classification that typically refers to cracked, modified, or bundled versions of the legitimate file archiving utility, WinRAR. While WinRAR itself is a highly respected and ubiquitous tool, threat actors frequently repackage the legitimate installer with keygens, ad-injectors, or hidden trojans, leveraging the software's popularity to deceive users into executing malicious payloads.\n\n<h3>Infection Vector and Technical Capabilities</h3>\nWrar detections almost exclusively stem from users intentionally downloading pirated software or bypassing corporate IT controls to install unauthorized archiving tools from third-party, peer-to-peer (P2P), or torrent networks.\n\nDepending on the specific \"cracked\" version, the behavior can range from annoying to highly destructive:\n<ul>\n<li><strong>Adware Bundling:</strong> The modified installer may silently deploy browser hijackers or desktop adware alongside the legitimate WinRAR application, altering search settings and injecting ads to generate illicit revenue.</li>\n<li><strong>Keygens and Patchers:</strong> To bypass WinRAR's licensing, these downloads often include \"Keygens\" or \"Patchers.\" These executables are notorious for being heavily obfuscated and frequently act as droppers for secondary malware, such as info-stealers or botnet clients.</li>\n<li><strong>Supply Chain/Water-holing:</strong> In rare, severe instances, attackers have compromised legitimate third-party download mirrors to distribute trojanized versions of WinRAR that contain backdoors, providing immediate remote access upon installation.</li>\n</ul>\n\n<h3>Threat Assessment</h3>\nThe primary risk of a Wrar detection is the circumvention of security policy. Even if the specific cracked version only installs adware, the fact that a user executed an untrusted binary from a piracy site indicates a severe lapse in security awareness and a high probability of future, more severe infections.\n\n<h3>Incident Response and Remediation</h3>\n<ul>\n<li><strong>Endpoint Sweeps:</strong> Remove the unauthorized installation of WinRAR and any associated \"patch\" or \"keygen\" files. Conduct a full system scan to ensure the repackaged installer did not silently drop secondary malware.</li>\n<li><strong>Application Control (AppLocker):</strong> Enforce strict application whitelisting policies. Ensure that users can only install approved, digitally signed utilities (like 7-Zip or an enterprise-licensed version of WinRAR) from a centralized Software Center.</li>\n<li><strong>User Education:</strong> Inform the user about the severe risks of utilizing \"cracked\" software and the importance of adhering to corporate acceptable use policies.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "Riskware.Wrar",
    "PUP.Wrar",
    "HackTool.WinRAR.Keygen"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1566.002",
    "T1036",
    "T1105"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-01T17:11:36Z",
  "type": "Potentially Unwanted Application / Riskware",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}