Sounds like you have been hit by a new PE virus that came out last week. McAfee's name for it is w32/virut.n. Info about the nasty on Trend: http://blog.trendmicro.com/virux-cases-escalate/ It will infect pretty much every .exe and .scr file on your computer. Some people have said it lives through deleting the partition, which may have been the case for you. I had to format several of my clients PC's because at first McAfee could not clean the virus and instead deleted the files. Not good when it is every .exe on your PC. I also formatted the MBR on my rebuilds, and have not seen any sign of the virus yet. It connects to a IRC server to allow remote commands to be sent to your PC. I think that is where the rootkits and backdoors are coming from. I have been able to clean (I hope) the virus from most of my client's PCs, using McAfee with at least the 5519 DATs, Malwarebytes, and combofix. If you do ipconfig at a command prompt all you see is one line "Windows IP Configuration," right? WinsockXpFix was fixing the issue for me, but I think it breaks again on reboot. It does not get rid of the bogus network adapters though, and the problem does seem to come back. Hope this helps someone come up with a solution.