how to stop trend micro bot

trend micro bot will scan every website you visited and they known as:

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1) - so clever

one of their ip address is 150.70.172.106

http://whatismyipaddress.com/ip/150.70.172.106

i can say the scanner is not very clever (someone call stupid)

http://www.inius.ro/posts/230-trendmicro-bot-kills-your-server-how-to-ban-it.html

and they eat your bandwidth too:

http://community.trendmicro.com/t5/Malware-Discussions/Please-stop-spamming-my-websites/td-p/15760

now i', thingking about banning ip address or leave it alone. let ask expert 1st.