I don't think it's funny................
..............to try and infect ya mates with a trojan. Some of us aren't blessed with much in the way of PC skills and will be totally buggered.
Fortunately, some of us who clicked on the link in the belief that Ben may have been joshing in a more friendly way have AVG anti virus s/w which trounced the feckless attempt at chaos:
www.grisoft.com for your copy - it's free..........
Folks: install free firewall and antivirus s/w to keep you from such hilarious japes - av s/w link above and do a search for Zone Alarm for free firewall s/w - cos next time it may not be so innocuous...............
Great return, Ben