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MSE Found Two Java-exploits on my laptop. Do I need to do more checking?


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#1 Warthog-Fan

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Posted 16 July 2013 - 02:06 PM

HI, everybody

 

I recently changed my anti-virus program to Microsoft Security Essentials. (I had been using McAfee anti-virus). When I ran a full scan of the computer, MSE reported that it had found two Java-exploits and a tracking program. I removed these items via MSE, but now I'm wondering if I need to do more checking for malware. Can I have your opinions on this, please?

 

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#2 quietman7

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Posted 16 July 2013 - 02:38 PM

When a browser runs an applet, the Java Runtime Environment (JRE) stores the downloaded files into its cache folder for quick execution later and better performance. Both legitimate and malicious applets, malicious Java class files are stored in the Java cache directory and your anti-virus may detect them as threats. The detection can indicate the presence of malicious code which could attempt to exploit a vulnerability in the JRE. For more specific information about Java exploits, please refer to Virus found in the Java cache directory.

Notification of these files as a threat does not always mean that a machine has been infected; it indicates that a program included the viral class file but this does not mean that it used the malicious functionality. As a precaution, I recommend clearing the entire cache manually to ensure everything is cleaned out:If you want to perform a more thorough browser clean up, please refer to:Also be aware that older versions of Java have vulnerabilities that malicious sites can use to exploit and infect your system.That's why it is important to always use the most current Java Version and remove outdated Java components.
You can verify (test) your JAVA Software Installation & Version here.
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