Summary
This backdoor is a Java applet that uses a vulnerability in the Netscape's implementation of Java virtual machine.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
Check for the latest database updates
First, check if your F-Secure security program is using the latest updates, then try scanning the file again.
Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
When the user enters a hostile web page with the Netscape browser, the applet starts.Basically the backdoor acts like a file server. When it is active, it allows access to the contents of the victim's hard drive using the http protocol.
By default it listens on the port 8080, but this can be configured. The backdoor runs in top of Netscape's implementation of Java virtual machine and it terminates as soon as JVM terminates - usually when the browser is closed.The backdoor does not install anything on the victim machine.
F-Secure Anti-Virus detects the class file when it is accessed.To prevent this and similar problems in the future, you can turn off the Java functionality from Netscape's Preferences.
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