that link isnt to a ad blocker. it just so happens to block ads. maybe you should goto the link and read what it is.
# Use this file to prevent your computer from connecting to selected
# internet hosts. This is an easy and effective way to protect you from
# many types of spyware, reduces bandwidth use, blocks certain pop-up
# traps, prevents user tracking by way of "web bugs" embedded in spam,
# provides partial protection to IE from certain web-based exploits and
# blocks most advertising you would otherwise be subjected to on the
# internet.