Question

what are the different types of viruses and anti-viruses?

Answer 1

trojans, worms, viruses, spyware, adware are all separate entities and those are the these are some viruses found in pc 
and some famous antivirus are 
Kaspersky
K7
Avasta
and Avira.

Answer 2

anti-viruses==avast,quick heel,k7, avg , comodo , clam , sophos etc
viruses=====macro , boot sector , file viruses , resident viruses