Hi,
Hope you are doing well, I'm Shaike having 8+ experience of web development and web services having experience in CMS like WordPress,Megento,Joomla,Opencart,Drupal and Frameworks like CodeIgniter,Zend,cakePHP and laravel also i'm good with UI/UX using HTML,CSS and Jquery. I can handle this work and will support when ever you needed.
I can help you to find the malware codes and remove from it and can add required stuff to prevent from malware in future as well. fix this issue contact me if you think am a right person.
Regards,
Shaike.