Overnight we saw a number of adverts being displayed in Bing that were directing end-users to malicious content. These adverts were promoting all manner of downloads including Firefox, Skype and uTorrent.
Some of the search terms used:
"FireFox Download"
"Download Skype"
"Download Adobe Player"
As you can see, they're not particularly complicated or unusual searches so you probably wouldn't be jumping through hoops to reach these things.
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Clicking the adverts takes end-users to sites such as river-park(dot)net, and they do a pretty good job of convincing visitors that these sites are the real deal (incidentally, you'll notice that some of the ads display the "real" URL of the program mentioned, but take you to a rogue site such as the "Download uTorrent Free" advert above which actually takes you to aciclistaciempozuelos(dot)es/torrent).
All of the malicious downloads are coming from en-softonic(dot)net, and here's their open directory with various files waiting to be launched on unsuspecting end-users.
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