Php_Ransomware Usage : Edit path in line number 49 $root = 'D:/'; As you like If you want to encrypt bigger files edit if (filesize($filename) < 200000) this line and add more zeros Encrypting Bigger File will take longer time. This is depreceated Run : php encrypt.php Disclaimer : I have created this tool only for educational purpose.I am not responsible for your actions Stay safe ! Stay legal !