There is a reference in one of the files to a cookie named killav (Kill Antivirus?) that may disable some antivirus programs.
The next phase is to open up pages to sites in China. It appears to me that the bussines plan in that case is to generate revenue from ad hits.
The worst thing however is if you get infected. Unpatched windows systems are at the mercy of these attackers.
Update 5 June 2008:
The RSA updated their website by moving it away from Windows and ASP, to open source software. They are using Centos Linux, Apache, and an open-source CMS. Therefore, the above security risk does not apply any more.