Cisco Security has detected significant activity related to spam e-mail messages that claim to contain an invoice notification 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 .htm
attachment, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID5422) may contain any of the following file:
attachment has an approximate file size of 1,054 bytes. The MD5 checksum is not available.
The following text section is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Re: FW: End of Aug. Stat. Required
as reqeusted I give you inovices issued to you per jan. (Microsoft Internet Explorer).
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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