installation396.exe

Estimados:
He recibido un mail de:
<Microsoft Corporation Public Assistance <hcyfazmgwx@confidence_msn.com>
con un archivo adjunto: installation396.exe
Estuve buscando por internet en microsoft.com y no aprarece nada de esto
Pregunto ¿pertenece a microsoft? ¿es fiable? ¿que se debe hacer?
agradecere una respuesta pronta.
gracias

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<MS Consumer

<this is the latest version of security update, the "August 2007, Cumulative
Patch" <update which eliminates all known security vulnerabilities affecting
MS Internet <Explorer, MS Outlook and MS Outlook Express as well as three new
<vulnerabilities. Install now to help maintain the security of your computer.
This <update includes the functionality of all previously released patches.


<System requirements Windows 95/98/Me/2000/NT/XP
<This update applies to MS Internet Explorer, version 4.01 and later
<MS Outlook, version 8.00 and later
<MS Outlook Express, version 4.01 and later
<Recommendation Customers should install the patch at the earliest
opportunity.
<How to install Run attached file. Choose Yes on displayed dialog box.
<How to use You don't need to do anything after installing this item.

<Microsoft Product Support Services and Knowledge Base articles can be found
on <the Microsoft Technical Support web site. For security-related
information about <Microsoft products, please visit the Microsoft Security
Advisor web site, or Contact <Us.

<Thank you for using Microsoft products.

<Please do not reply to this message. It was sent from an unmonitored e-mail
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