Cisco Security has detected significant activity related to Portuguese-language spam e-mail messages that claim to contain bank deposit information. 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 .cpl
file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID5292) may contain any of the following files:
file in the Comprovante_Do_Deposito.zip
attachment has a file size of 299,264 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xA827E175A69AD8D6CAB348004DB5CD39
The following text section is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Fiz o Deposito na sua conta, confere o anexo.
Fui no banco hoje e fiz o deposito na sua conta, por favor confere o recibo no anexo..
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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