1.track4.com - what is it? And how do I get rid of it?

Thanks.

It has not been a home page. I always use blank. The symptom appears from the command line when I execute netstat.

It looks like some other malware may be lurking as well.

Thanks.

Here is a paste of netstat:

I use IE7

Microsoft Windows XP [Version 5.1.2600]
© Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\cj>netstat

Active Connections

Proto Local Address Foreign Address State
TCP pXL9cj1:1041 1.track4.com:27015 ESTABLISHED
TCP pXL9cj1:27015 1.track4.com:1041 ESTABLISHED
TCP pXL9cj1:1714 204.15.240.75:80 CLOSE_WAIT
TCP pXL9cj1:1715 yo-in-f99.google.com:80 CLOSE_WAIT
TCP pXL9cj1:1716 he-in-f101.google.com:80 CLOSE_WAIT

C:\Documents and Settings\cj>