Note that this only happens on the Club Cobra forum. Other searches indicate if it is on every site then the phone is infected, but if it is only ONE then the chances are it is the site. And they specifically mention AD PROVIDERS!
Your system is heavily damaged by Four virus! pop-up ads | Stay Protected
This makes sense since the variable content at this site is in fact the ads. So it might not be Club Cobra that is infected, but the variable content linked to for the ads. This would apply if the ads in CC are links to other content and not wholly contained within the database of CC itself. Brent, this might be something to look into.