The worm cannot run on the newest version of Yahoo Mail Beta.
Subject: New Graphic Site
Message body: Note: forwarded message attached.
It exploits a vulnerability in the Yahoo email service to run a script and send a copy of itself to certain email addresses gathered from the Yahoo email folders.
The worm targets email addresses from the @yahoo.com and @yahoogroups.com domains.
The worm may also contact the following URL:http://www.av3.net/index.htm
It sends a list of email addresses gathered to the above URL.