WIN32.Zafi.B

Today I installed Norton AntiVirus 2009.  Our computer had just become infected with the above malware/trojan (??)  and it was not caught by the AVG antivirus we had used for the past 2 years.  Besides getting the false security alert popping up every 15 minutes, I could not use Internet Explorer....the page only displayed a warning that internet searching was blocked until we clicked and purchased the fix. 

 

So, I've installed Norton and now all I get is the security alert every 15 minute, which I 'x' out each time.  It seems running the Norton full scan had restored our IE so that works.  I've also run Ad-Aware in the last 24 hours. 

 

The question is, how do I remove this thing?  I assume it may cause more problems.  There are lots of removal suggestions if you Google WIN32....but I need advice as to which one I should use (free I hope).  Thanks.

 

john