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Troublesome Trojan Trammels Torrent Sites


We spotted an interesting behavior from a Trojan dropper that belongs to a family of malware named Ponmocup. The file, update.exe (MD5 89f4ea9f0240239e0d97f202d22af325) leaves behind a payload that, among other things, modifies the Hosts file on infected computers to prevent users from visiting popular Bittorrent sites, including The Pirate Bay. It’s an odd behavior for several reasons. We don’t see many Trojans modify the Hosts file anymore because such modifications are so easily reversed. But more to the point: Why would a criminal care whether anyone else be able to browse The Pirate Bay, a Web site known to host […]

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