Cisco Security has detected significant activity related to spam e-mail messages that claim to contain a Google account warning 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 .exe
file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID4493) may contain the following files:
file in the Google_Accounts_Alert-2470-2B5-1162.zip
attachment has a file size of 88,064 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0x34F2EF9D9E779A7D71D1999107FC845C
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 IronPort systems to protect customers. This report will be updated if there are significant changes or if the risk to end users increases.
Cisco IronPort 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 IronPort web security appliances will not be impacted by these attacks. Cisco IronPort 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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