Restore WordPress Site Suspension

My WordPress site has suddenly been replaced by an “Account Suspended” notice. I haven’t received any explanation from Squarespace, so I need someone who can jump in, diagnose the root cause, apply the... (Budget: $30 - $250 CAD, Jobs: Content Management System (CMS), Malware Removal, PHP, Squarespace, Technical Support, Web Hosting, Web Security, Website Management, WordPress, WordPress Security)