Mcafee : http://vil.nai.com/vil/stinger/default.aspx
Symantec : http://www.symantec.com/enterprise/security_response/removaltools.jsp
:UPDATES:
Mcafee updates :
http://www.mcafee.com/apps/downloads/security_updates
/dat.asp?region=us&segment=enterprise
Symantec updates : http://www.symantec.com/enterprise/security_response/definitions.jsp
Trendmicro updates :
Pattern updates : http://www.trendmicro.com/download/pattern.asp
Engine update : http://www.trendmicro.com/download/engine.asp
online scan from mcafee , Symantec, trendmicro
mcafee online scan : http://us.mcafee.com/root/mfs/default.asp
trend micro online scan : http://www.trendmicro.com/hc_intro/default.asp
symantec online scan : http://security.symantec.com/default.asp?productid=symhome
&langid=ie&venid=sym