I received this email yesterday with an attachtment:
Date: Thu, 27 Jan 2005 01:22:50 +0000
From: Microsoft INC <MicrosoftUpdate@microsoft.com>
Subject: MS Windows/Critical Error
We kindly ask you to install this update to your PC as soon as possible.
In the libraries of OS Windows® critical errors have been found. This errors lead to destruction of the system files from your computer without an opportunity on restoration. The given service-pack fixes libraries and does not allow various Trojan modules to penetrate into your computer.
Microsoft NEVER sends patch files via email !!!!
The Rar contained an executable called "MsWindowsUpdate.exe", dont know what it does, my virus scanner didnt detect it.