JAVA_EXPLOIT.YUJ
Exploit:Java/CVE-2012-1723 (Microsoft), Java/Exploit.Agent.ONB trojan (ESET)
Windows 2000, Windows Server 2003, Windows XP (32-bit, 64-bit), Windows Vista (32-bit, 64-bit), Windows 7 (32-bit, 64-bit)

Threat Type: Trojan
Destructiveness: No
Encrypted:
In the wild: Yes
OVERVIEW
This Trojan may arrive bundled with malware packages as a malware component. It may be hosted on a website and run when a user accesses the said website.
It requires its main component to successfully perform its intended routine.
TECHNICAL DETAILS
Arrival Details
This Trojan may arrive bundled with malware packages as a malware component.
It may be hosted on a website and run when a user accesses the said website.
Other Details
This Trojan requires its main component to successfully perform its intended routine.
NOTES:
This is a Java class file that is used to execute an exploit code. Once successful, it may download a possibly malicious file from a certain URL. The URL where this malware downloads the said file depends on the parameter passed on to it by its components. It then executes the downloaded files. As a result, malicious routines of the downloaded files are exhibited on the affected system.