Just wanted to know if i have a trojan horse on my computer and how do i get rid of it. Ever since i installed Nortan Firewall, i get an intrusion attempt at least 5 times per day, from a range of IP addresses (here are a few examples):-


Date: 11/03/2003 Time: 14:39:38
Intrusion attempt detected from address 213.54.73.26 by rule "Default Block Backdoor/SubSeven Trojan horse".
Blocked further access for 30 minutes.


Date: 11/03/2003 Time: 14:02:28
Intrusion attempt detected from address 213.54.73.26 by rule "Default Block Backdoor/SubSeven Trojan horse".
Blocked further access for 30 minutes.

Date: 11/03/2003 Time: 12:52:25
Intrusion attempt detected from address 213.54.73.26 by rule "Default Block Backdoor/SubSeven Trojan horse".
Blocked further access for 30 minutes.

Date: 10/03/2003 Time: 14:25:20
Intrusion attempt detected from address 217.120.249.181 by rule "Default Block Backdoor/SubSeven Trojan horse".
Blocked further access for 30 minutes.


Date: 05/03/2003 Time: 22:09:59
Intrusion attempt detected from address 213.54.89.2 by rule "Default Block Backdoor/SubSeven Trojan horse".
Blocked further access for 30 minutes.

Date: 05/03/2003 Time: 16:21:09
Intrusion attempt detected from address 213.54.88.169 by rule "Default Block Backdoor/SubSeven Trojan horse".
Blocked further access for 30 minutes.


I have ran Trojan Remover, but that has said my system is fine- can any1 help me out?