Obfu is a family of PHP backdoors that operate on any PHP enabled system. The variants belonging to this family are usually heavily obfuscated to prevent an outright detection of their functionality.
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.
Backdoor:PHP/Obfu allows unauthorized access to a computer system.It is a remote access tool that allows a hacker to gain access to a compromised computer, typically though a TCP or UDP port.Backdoors are usually standalone files that install themselves to the system after they are run. They then remain active in the memory listening on specific network ports for commands from a remote host.The variants in this particular family are usually sent to the compromised server through a script that exploits an RFI (Remote File Inclusion) vulnerability on the compromised machine.
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Check the user guide for instructions.
Submit a Sample
Submit a file or URL for analysis.