Anti-malicious files and viruses

Hello
I ask you how to make a
Anti-malicious files and viruses

Or if one of you a small example of the work on the same place and I hope my request

I want a small patch or the process of examination Virus

---------- Post updated 08-03-10 at 08:25 AM ---------- Previous update was 08-02-10 at 12:26 PM ----------

can help me

You mean virus programming using shell script? I have done one using C though. You can google it aswell