no recognisable pattern to the sites they've hacked, excepting possibly credit card or paypal connexion.  suggest deletion of 3dfineries banner ASAP.  this is one reason why I disable banners/sigfiles (the other reason is they are very annoying, especially at the daz forum site).  they can be hacked and can be security probs even if not hacked, unbeknownst to the user.  this is also one of the reasons certain img-display software is banned from html5/iOS.