After a a full system check, which took a while, seems like even if you didn't open the attatchment your system was still corrupted...

Here are the details...

http://housecall65.trendmicro.com/

Sorry but that just takes you to the home page... So, I'll manually type the descriptions..

It unloaded 6 virius= 2 adware, 2 malware ,1 cookie tracker and 1 drive cleaner....

java-b_bytever.A-1 - finds and comprimises eindows security vulnarablities.

freeloaded_drive cleaner - self explanitory

adware_ funwebproducts
adware_ best offers - mass pop up producers

adware_bho_myway - can monitor or manipulate internet user activity

http_cookies- another internet tracking program...

Please take the nescissary precautions....

One option trendmicro.com offers a good house call virus remover utilty....