WooCommerce Malware Cleanup and Hardening

A recent security scan revealed that my WooCommerce store has been compromised: visitors are occasionally redirected to an unrelated gaming website. I need the infection fully removed, the root cause identified, and security tightened so the problem does not recur... (Budget: ₹600 - ₹1500 INR, Jobs: MySQL, PHP, Security Auditing, Web Development, Web Security, Website Management, Website Optimization, WooCommerce, WordPress)