UPS has issued a warning about a new computer virus circulating as an attachment to emails purporting to originate from the "UPS Packet Service." The warning is authentic. The virus is real.

The bogus messages, titled "UPS Delivery Failure" or "Your Tracking #," etc., claim a parcel sent by the user was undeliverable due to an incorrect mailing address. The user is instructed to open an attachment containing a copy of the invoice. The attachment actually contains a virus which may infect the user’s computer.

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