Thanks for your reply. I always used to use AVG. Then I read many reports recommending NOD32 so I changed to that. However, yesterday I read that NOD32 does not pick up on new viruses as quickly as AVG - so yesterday I uninstalled NOD32 and re-installed my AVG. I also have Adaware and, SuperAntiSpyware software running and I have re-installed ZoneAlarm firewall in preference to the Windows firewall.
I have been told that as I use a Router I should be protected from Hackers, who pick up on messages transmitted by this trojan. Do you know if this is the case?