Ok, you are on a newer version. You should be fine without the antivirus. You can read about that here.
I can recommend a free version for you if you would like.
The top antiviruses if you feel you would like to add that to your phone are:
1. Avast Secure Me
2. Lookout Mobile Security
3. McAfee Mobile Security
4. Norton Mobile Security
You can find them here:
Other than that, you will be fine. You did the right thing by trashing it. Next time you should block that site
as well. It will copy microsoft, apple etc, and appear normal, but there is usually always odd characters in the url
that tells you it is not right.
Please rate this solution with the 5 star rating to close out as it is the only way i am listed as successful and credited by the companies ledger
of solutions finished. If you need further assistance, just leave a reply and we will continue as opposed to closing out the question and email
updates between us.