Websense and MessageLabs uncover a spam campaign that is using .scr file attachments in targeted attacks. Security researchers uncovered a spam campaign Nov. 19 targeting senior level executives that utilizes .scr file attachments to spread Trojans. Such file extensions are typically associated with Microsoft Windows screensavers.

The campaign is one of two reported by MessageLabs. The first wave was aimed at banks and financial institutions and claimed to come from the United States Department of Justice; the second, reported some 3.5 hours later, did not use an .scr file and was aimed at a variety of organizations and posed as an email from the Better Business Bureau, said Paul Wood, an analyst with MessageLabs. Spam Traveling with .SCR File Attachments, Trojans in Tow

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