Odd…

An employee at my place of business has an extremly strange virus/trojan/worm. It hasn’t been picked up by Mcafee Enterprise though.
It is shooting out arp broadcast requests at 60 packets a second!!!
This thing is also setting up a wireless ad-hoc network on his computer, and broadcasting it as hpsetup.
Any guesses as to what it is? possibly a removal?
Thanks.