I hate to bump an old thread but this turned up on google as one of the first results for "shareaza security" so I thought I should post a reply here.

First of all shareaza*com is no longer owned by the shareaza dev team. The real shareaza forums can be found at Shareaza.sourceforge.net/forums/

Secondly, the X-ray filter is long dead. The most popular shareaza filter list is now the AIOASF ( originally based on the xray filter) with an estimated 19,000 downloads for the last release alone. It can be downloaded from Shareaza - View topic - All-In-One AntiSpam Filter [Sep-18-2010]