Update:
Nevermind. My wife let me know that she figured it out. It was ezarmor attempting to download an update.
Doh!
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My wife called me today telling me that her system attempted an automated shutdown with a dialog box regarding autoshutdown.exe. She asked me if its possible for a virus to install itself without ever opening the email. She's NOT using the preview pane or auto-preview. I don't remember the version of Outlook.
Fortunately, we've got EzArmor from CA (free to RR users). Hopefully this can/has removed whatever it was that caused this.
I found some information on this file, but that was dated in 2003.
Has anyone heard of this happening before?
Thanks.