Exploit:Java/Majava.A identifies malicious files that exploit vulnerabilities in the Java Runtime Environment (JRE).
Security programs use generic detections that look for broad patterns of code or behavior to identify similar programs or files. If you suspect the file was incorrectly detected, go to: Removal: Resolving a False Positive.
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.
Java exploits typically target known vulnerabilities in the Java Runtime Environment; to prevent successful exploitation, please ensure you install the latest updates available for Java and/or remove any old, unnecessary installations.
To ensure you have the recommended version of Java installed on your system, please refer to the vendor's Verify Java version page.
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 to F-Secure Labs 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.
Knowledge Base
Find the latest advice in our Community Knowledge Base.
User Guide
See the user guide for your product on the Help Center.
Submit a sample
Submit a file or URL for further analysis.
Exploit:Java/Majava.A is a generic detection that identifies exploit files used to target and exploit vulnerabilities in the Java Runtime Environment (JRE).
If successfully used, exploits can provide an attacker with a wide range of possible actions, from viewing data on a restricted-user database to almost complete control of a compromised system.
The exploit files may be delivered by other malware, such as the Blackhole exploit kit.
For more information, please see:
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