The walls come tumbling down...
Before we start taking it up for the "little man" I think its important to mention that Microsoft isn't the only party involved here. It seems some divisions with MS know their strengths and weaknesses, thus they sought help from partners Kasperski and Kyrus. So its definitely not the case of "the big bad US company harassing the Russian nerd".
What I also consider peculiar (or remarkable) is the way the whole case proceeds. When it comes to botnets and such we're talking about a serious threat to the Internet. A threat which could seriously harm all of us. I'd think that such threats would justify some swifter action. Note that I'm not saying we should throw away the lawbooks and "go get them". But this whole thing started in September last year, now almost 5 months later.
Yet when it comes to alleged copyright infrictions (Megaupload for example) then all of a sudden people can get arrested right on the spot. Heck; whole arrest teams are easily dispatched to get the "notorious criminals".
Now, I'm not complaining because in the end I think the most important thing here is that no innocent people get involved here. But as said I do think it to be a little peculiar. Especially since botnets pose a far bigger (and /real/) threat than sharing movies or music. IMO of course.