PHP/Pirus is the first virus written with PHP. PHP is a server side scripting language for web servers.


Automatic action

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.

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Knowledge Base

Find the latest advice in our Community Knowledge Base.

User Guide

See the user guide for your product on the Help Center.

Contact Support

Chat with or call an expert for help.

Submit a sample

Submit a file or URL for further analysis.

Technical Details


When PHP/Pirus.A is executed, it will search for files with ".php" and ".htm" from the current directory. If such files are found, it will append a small code that will execute the virus from a separate file. The name of the file is "pirus.php".

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