Re: New Graphic Site THIS IS A VIRUS

I have seen this on several lists. Don't open the previous message.
Here is a description from Symantec's Web Site:

"JS.Yamanner@m is a worm that is written in JavaScript. It exploits a
vulnerability in the Yahoo email service to send a copy of itself to
the user's Yahoo email contacts.

Notes:

* The worm cannot run on the newest version of Yahoo Mail Beta.
* Rapid Release Definitions with sequence number of 55078 or
greater are required to detect this threat.

Also Known As: JS/Yamanner@MM [McAfee], JS_YAMANER.A [Trend Micro]

Type: Worm
Infection Length: 6,377 bytes.



Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me,
Windows NT, Windows Server 2003, Windows XP


technical details

JS.Yamanner@m performs the following actions:

1. Arrives on the compromised computer as an HTML email containing
Javascript. The email may have the following characteristics:

From: Varies
Subject: New Graphic Site
Message body: Note: forwarded message attached.

2. Once the email is opened the worm exploits a vulnerability in
the Yahoo email service to run a script.

3. Sends a copy of itself to certain email addresses gathered from
the Yahoo email folders.

4. Targets email addresses from the @yahoo.com and @yahoogroups.com
domains.

5. Contacts the following URL:

[http://]www.av3.net/index.htm

6. Sends a list of email addresses gathered to the above URL."


Mark







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