This type of trojan secretly downloads malicious files from a remote server, then installs and executes the files.
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 detection database 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.
This is the Trojan-Downloader:Java/Agent family description.
Java/Agent is a very large family of trojans that download other programs, usually malware, onto the infected computer. The capabilities of a specific Java/Agent variant can vary widely and may include significant payloads. These variants may be able to function as backdoors, rootkits, worms, etc.
For representative examples of the various variant capabilities, please see the Trojan-Downloader:W32/Agent description.
These malware run on the popular Java cross-platform operating environment, often by exploiting a vulnerability in older versions of the environment. It is therefore recommended to keep the Java program updated, in order to prevent attacks against known vulnerabilities.