Cloning your website is just another level in fix wordpress malware plugin that can be useful. Cloning simply means that you have backed up your website to a totally different place, (offline, as in a folder, so as to not have SEO issues ) where you can access it in a moment's notice if necessary.
Don't make the mistake of thinking that your web host will have your back as far as WordPress backups go. Not always. It has been my experience that the hosting company may or might not be doing backups, while they say they do. Take that kind of chance?
It represents a essential task, while it's an odd term : making a WordPress copy of your site to work on offline, or in the event something should go amiss. We are not only being obsessive-compulsive here: servers go down every day, despite their claims of 99.9% uptime, and if you've had this happen to you, you understand the panic is it can cause.
You may extend the plugin features with premium plugins such as: recommended you read Amazon S3 plugin, Members only plugin, DropShop etc.. I think this plugin is a good option and you can use it.
These are a few. Thing is that they don't need much time to perform. These are also simple options, which can be carried out easily.