hides the Affiliate link from the page footer and also disables access to the affiliate page through typing its URL into the address bar

Extension Name Hide Affiliate Rating 12345

License Free Votes 10
Developer iNmuto Views 3081
Date Added 22 March 2013 Downloads 1145
Date Modified 18 September 2013

http://www.opencart.com/index.php?route=extension/extension/info&extension_id=11080

You can also confirm that the direct url to the affiliate page come up
as 'Page Not Found':-

http://<yoursite>/index.php?route=affiliate/account