Cisco Security has detected significant activity related to spam e-mail messages that claim to contain purchase order information for the recipient. The text in the e-mail message attempts to convince the recipient to open the attachment and view the details. However, the .zip
attachment contains a malicious .scr
file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID5078) may contain any of the following files:
The New De.scr
file in the New De.zip
attachment has a file size of 344,576 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xD2562576BDD923A1F7C3B3C649A8CF87
The following text section is a sample of the e-mail message that is associated with this threat outbreak:
I have attached the signed purchase order list. Please confirm same so
we could expedite action on the process.
Please review and send us the PI to enable us make payment.
Supervisor / Purchasing
Cisco Security analysts examine real-world e-mail traffic data that is collected from over 100,000 contributing organizations worldwide. This data helps provide a range of information about and analysis of global e-mail security threats and trends. Cisco will continue to monitor this threat and automatically adapt systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco Virus Outbreak Filters protect customers during the critical period between the first exploit of a virus outbreak and the release of vendor antivirus signatures. E-mail that is managed by Cisco and end users who are protected by Cisco web security appliances will not be impacted by these attacks. Cisco appliances are automatically updated to prevent both spam e-mail and hostile web URLs from being passed to the end user.
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