| Source Type | Risk Level | Common Issues | |-------------|------------|----------------| | Torrent sites (The Pirate Bay, 1337x) | Critical | Pre-activated ISOs with rootkits, miners, ransomware | | File hosting (MediaFire, Mega, Google Drive) | High | Modified ISOs, missing SP1, added backdoors | | “Windows 7 ISO Downloader” tools (third-party EXEs) | Critical | The tool itself is often malware or adware | | eBay/Amazon (used recovery discs) | Medium | Possibly counterfeit or damaged media |
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