What is php_mcrypt_filter.dll doing on my computer?
php_mcrypt_filter.dll is a php_mcrypt_filter.dll
belonging to PHP php_mcrypt_filter.dll
from The PHP Group
Non-system processes like php_mcrypt_filter.dll originate from software you installed on your system. Since most applications store data in your system's registry, it is likely that your registry has suffered fragmentation and accumulated invalid entries which can affect your PC's performance. It is recommended that you check your registry to identify slowdown issues.