hidden iframe footer "yahoo.com"

I have a page on my site that shows /yahoo.com on hit trackers…

I saw a hidden iframe code on the source code on the footer..

I deleted the code manually on the footer.php…but still it show the /yahoo.com on the after the url…. no hits are registered in the dashboard…

it’s a squeeze page that i promote, so I know I am expecting some hits, but non shows…

here what shows on the tracker

this is the plugin, it comes with the theme

please help me on this..