Considering ufasoft hasn't released the new source and the recent virus warnings, i would start thinking that he is the one spreading the botnet.
He was asked many times in this thread and he just ignored the requests(didn't even bother answering). I don't really need the source, but if he is spreading the botnet, it's very likely the current exe to be "infected" as well.
Well it's not very nice to make stataments like that based on nothing, i'll analyze it tonight to see if there it's any backdoor in it even if i don't really beleive that.