I get an "SBC Yahoo! On Line Protection Infection Alert....Win 32/Sinteri?

When I open this up to a Section called CA Virus Encyclopedia....I don't know what to do about this problem. Can You help me?

I get an "SBC Yahoo! On Line Protection Infection Alert....Win 32/Sinteri?matchless

http://www3.ca.com/securityadvisor/virus...

has removal instructions for this Trojan

Win32/Sinteri is a family of e-mail spamming trojans. ...

It is also known as Trojan.Abwiz by (Symantec),

you can download Symantec removal tool at this site:

http://www.symantec.com/security_respons...

Good Luck