is a malicious Java applet that attempts to exploit a vulnerability (CVE-2011-3544) in the Java Runtime Environment (JRE) in order to download and install files of an attacker's choice onto your computer.
The following versions of Java are vulnerable to this exploit:
JDK and JRE 7 Java SE
JDK and JRE 6 Update 27 and earlier Java SE
JDK and JRE 5.0 Update 31 and earlier Java SE
SDK and JRE 1.4.2_33 and earlier Java SE
JavaFX 2.0 JavaFX
JRockit R28.1.4 and earlier (JDK and JRE 6 and 5.0) JRockit
To check if you're running a vulnerable version of Java:
- Go to the control panel (Select Start|Control Panel)
- Select Programs. If Java is installed you will see it in the list of installed programs. Click it to open the Java Control Panel.
- On the General tab, click About to see which version of Java you have installed.
Make sure that you install all available updates from the vendor in order to avoid this exploit. You can read more about this vulnerability and download software updates from these links:
Note: This detection may be triggered when you visit a website that contains the malicious code. Even if you are not using a vulnerable version of the JRE this detection may be reported when you visit a website that contains the malicious code. This does not mean that you have been compromised, rather that an attempt to compromise your computer has been made.
For more information on this exploit family, please see the description for Exploit:Java/CVE-2011-3544 elsewhere in the encyclopedia.
If this detection is reported then it is likely that your computer has been compromised beyond this single infection. Your antivirus solution may soon begin to report other malware detections as new malicious files are downloaded and executed on your computer.
There are no common symptoms associated with this threat. Alert notifications from installed antivirus software may be the only symptoms.