Bluehost Web Hosting Help
Logging in and Using WordPress: Installing Plugins
Install Plugins These steps will help you install and select a WordPress plugin for your blog. Inside the WordPress Dashboard, select the Add New link from the Plugins menu. You can search for a plug
Disable or Delete Plugins/Themes on a Disabled WordPress site.
This article explains how to deactivate, change or delete themes and plugins on a WordPress site without the dashboard.
VPS or Dedicated Hosting - Install ClamAV
How to install ClamAV to help with virus protection.