Cisco Security Intelligence Operations has detected significant activity related to spam e-mail messages that claim to contain attached photographs for the recipient. The text in the e-mail message instructs the recipient to download an attached .zip file to view the photographs. However, the attachment contains a malicious .exe file that, when executed, could infect a system with malicious code.
http://tools.cisco.com/security/center/viewAlert.x?alertId=21303