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| Revenue Source | Mechanism | Risk to User | |----------------|-----------|---------------| | Display ads | Pop-ups, banners, redirects | Malware, phishing | | Affiliate links | Surveys, fake “download now” buttons | Data theft | | Malicious software | Drive-by downloads, fake codecs | Ransomware, botnets | | Premium offers | Paid “ad-free” or “high-speed” links | Payment fraud |