Cisco Security has detected significant activity related to spam e-mail messages that claim to contain a LogMeIn.com SSL certificate suspension notice for the recipient. The text in the e-mail message attempts to convince the recipient to follow a link and update the digital certificate. However, the link directs the user to a malicious .zip
file containing an .scr
file that, when executed, attempts to infect the system with malicious code.
E-mail messages that are related to this threat (RuleID5121) may contain the following files:
file in the ssl_cert_logmein.zip
attachment has a file size of 324,608 bytes. The MD5 checksum, which is a unique identifier of the executable, is the following string: 0xDC2B9B72189957C8D3CE9D15D0F35BF1
The following text is a sample of the e-mail message that is associated with this threat outbreak:
Subject: Your LogMeIn.com SSL certificate has been suspended!
You are receiving this notification because your LogMeIn SSL certificate has expired.
In order to continue using the LogMeIn Software, you are required to update your digital certificate.
To download a new LogMeIn digital certificate , please visit :
According to our Terms and Conditions, failing to renew the SSL certificate will result in account suspension or cancelation:
Thank you for using LogMeIn Software
Copyright © 2003-2013 LogMeIn, Inc. All rights reserved.
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 security appliances 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 security 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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