OK guys I'm really trying hard to figure this one out but if you go to google and type Phentermine, then click on the listing for PhenForum.com, he's got it so my site redirects to like... e-topps.info with a pharmacy PPC page. 
phentermine - Google Search
BUT if I type my URL in directly it doesn't do it. So, he's only stealing my Google traffic.
I've tried uploading my backup .htaccess, backup index.php, etc, but it doesn't work. I tried uploading a plain index.html with some text on it, and that DID stop the redirection. So it seems he's hacked my CMS somehow.
I'm really freaking out right now. Can someone help me? Thank you so much!!!!!!

phentermine - Google Search
BUT if I type my URL in directly it doesn't do it. So, he's only stealing my Google traffic.
I've tried uploading my backup .htaccess, backup index.php, etc, but it doesn't work. I tried uploading a plain index.html with some text on it, and that DID stop the redirection. So it seems he's hacked my CMS somehow.
I'm really freaking out right now. Can someone help me? Thank you so much!!!!!!