I came across this on Sunday when I entered an involved search string having to do with FreeBSD - EVERY result after the first four was this dot then cn thing. Clicking on one redirected to a parking page, and something tried to install itself on my computer. There are hundreds if not thousands if not tens of thousands of these results in the SERPS right now. I'm surprised there hasn't been a bigger outcry about it. I reported it in GWT with the spam reporting, but who knows how long or even if they actually look at it - I would think this is pretty urgent, but there's really no way to get an urgent request through to Google. So I hope they find it eventually, and not too much malware gets spread in the meantime.