Opencart 2.0.1.0 site is redirecting to spam. Remove malware.

Job ID: 34343004

Budget: $30 – $250 USD

Our site www.driveshaftparts.co.uk has been redirecting to various spam sites since 4 August. I have installed Sitelock but it found nothing. I need someone to help look for which file is corrupt and remove it.
Related categories: PHP Website Design eCommerce HTML Open Cart