TROJ_ADOBFP.SM

This Trojan is noteworthy due to the increased potential for damage, propagation, or both, that it possesses. Specifically, it exploits a zero-day vulnerability in Adobe Flash Player in order to drop and execute other malicious files onto the infected system.

To get a one-glance comprehensive view of the behavior of this Trojan, refer to the Threat Diagram shown below.

This is the Trend Micro detection for .XLS files that has embedded malicious .SWF. The said embedded .SWF exploits a vulnerability in Adobe Flash Player 10.2.152.33 and earlier versions. When exploited, this Trojan drops other malware. From the samples we have received, it drops BKDR_POISON.SMI and TROJ_DROPPER.ADO. As a result, the malicious routines of the said malware are also exhibited in the system.

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

Arrival Details

This Trojan may be unknowingly downloaded by a user while visiting malicious websites.

Other Details

This Trojan is a zero-day exploit for the following vulnerability:

• Unspecified vulnerability in Adobe Flash Player

More information on this vulnerability can be found below:

• Adobe Security Bulletin APSA11-01

NOTES:

This is the Trend Micro detection for .XLS files that has embedded malicious .SWF.

Upon exploiting the said vulnerability, this Trojan drops other malware. From the samples we have received, it drops BKDR_POISON.SMI and TROJ_DROPPER.ADO. As a result, the malicious routines of the said malware are also exhibited in the system.