Virus scanner for whistler?

[Four and Twenty 0]

I don't really need one for my self but i just hooked a friend up with whistler and that type of thing is important to him. So what are your recomendations for a virus scanning program for whistler beta 2.

[Vampyr 0]

Norton Antivirus 7.5x with the sevinst fix

[DosFreak 2]

http://www.symantec.com/techsupp/files/symevnt/symevnt.html#Important

 

Thanks