URGENT
Ok now I'm extremely concerned, a few days ago I installed a programme called Peerguardian 2, I never use P2P but it alerts you when other things are sniffing around too, a few minutes ago an alert set off and here's a link to a screen of the results
http://brumjo.pwp.blueyonder.co.uk/Phormactive.jpg
It has since gone off a few times, and i now have a blocked list full of it.