new trojan on the list, returned package in the mail

email is sent with words about returned package could not be delivered, click the attachment and follow the instructions. do NOT open. read below about the trojan

http://www.computersecurityarticles.info/security/emails-from-usps-with-subject-your-postal-package-n-contains-a-trojan/

http://apnnews.com/2011/02/02/widespread-undelivered-package-spam-attack-delivers-trojans-sophos-warns/