You can use your hosts-file to stop your computer from ever accessing that site again.
I totally fell for the cloned site, until I realized I couldn't see your trust ratings.
I have added this line to /etc/hosts
127.0.0.1 bitcointalk.to
Now my computer can't access that phishing site anymore.
If you don't know how to do this:
How to Edit Your Hosts File on Windows, Mac, or Linux.