This particularly nasty virus seems to be re-appearing and fooling a lot of people
It pretends to come from the UPS Postal service containing a message something like this...
Unfortunately we were not able to deliver postal package you sent on July the 25 in time
because the recipient's address is not correct.
Please print out the invoice copy attached and collect the package at our office.
Attached is a .zip file (or sometimes .rar) The attachment contains a particularly nasty virus