{
  "family": "talalpek",
  "sample_count": 1,
  "category": "ransomware",
  "description": "<h3>Executive Summary</h3>\nTalalpek is a prevalent family of Adware and Potentially Unwanted Programs (PUPs) engineered to aggressively monetize an infected user's web browsing activity. It operates by altering browser configurations, injecting intrusive advertisements into web traffic, and covertly tracking user behavior, leading to significant degradation in system performance and user privacy.\n\n<h3>Distribution and Technical Behavior</h3>\nTalalpek is almost exclusively distributed via deceptive software bundling. Users inadvertently infect their systems when downloading \"free\" software from third-party download portals, where Talalpek is silently installed in the background via pre-checked installation options.\n\nOnce active, Talalpek deeply integrates with installed web browsers (Google Chrome, Firefox, Edge). Its core behaviors include:\n<ul>\n<li><strong>Browser Hijacking:</strong> Forcibly altering the default search engine, homepage, and new tab settings to redirect all traffic through an affiliate-linked search portal controlled by the adware operators.</li>\n<li><strong>Traffic Interception and Injection:</strong> Talalpek frequently installs a local proxy server or malicious browser extensions to intercept unencrypted web traffic, overlaying legitimate websites with intrusive pop-ups, pop-unders, banner ads, and sponsored in-text hyperlinks.</li>\n<li><strong>Data Harvesting:</strong> Continuously tracking the user's browsing history, search queries, and clickstreams to serve highly targeted advertisements and to sell this telemetry to data brokers.</li>\n</ul>\n\n<h3>Risk Assessment</h3>\nWhile Talalpek does not encrypt files or act as a remote access trojan, it introduces significant operational friction and risk. The injected advertisements are frequently served by low-reputation ad networks, dramatically increasing the likelihood of \"malvertising\" attacks that can lead to severe secondary infections, such as ransomware.\n\n<h3>Mitigation and Removal Strategies</h3>\n<ul>\n<li><strong>Browser Remediation:</strong> Manually inspect and remove any unknown or unauthorized extensions from all installed web browsers. Perform a complete factory reset of the browsers to clear hijacked search and homepage configurations.</li>\n<li><strong>Endpoint Scanning:</strong> Utilize a reputable enterprise-grade anti-malware solution to perform a deep system scan, targeting the Talalpek executables, hidden scheduled tasks, and persistent registry keys.</li>\n<li><strong>Application Control:</strong> Enforce strict application whitelisting policies to prevent standard users from executing unapproved software installers that frequently bundle adware.</li>\n</ul>",
  "cta": "Published by the SystemHelpdesk team.",
  "aliases": [
    "Adware.Talalpek",
    "PUP.Talalpek",
    "BrowserModifier.Talalpek"
  ],
  "enrichment_level": "insufficient_information",
  "faq": [],
  "faq_count": 0,
  "mitre_attack": [
    "T1566.002",
    "T1176",
    "T1112"
  ],
  "cisa_advisory": null,
  "last_updated": "2026-07-01T16:33:16Z",
  "type": "Adware",
  "target_industries": [
    "Global / Opportunistic"
  ],
  "motivation": "Opportunistic",
  "threat_actors": [
    "Unknown / Cybercriminal"
  ],
  "target_geographies": [
    "Global"
  ]
}