I have had two WordPress blogs. That was at a time when I was doing almost no online advertising, and until I found time to deal with the situation (weeks later), these sites were penalized at the major search engines. They were not eliminated, no matter how the evaluations were reduced.
In my view, the best way to ensure that your fix wordpress malware virus that is is through using a WordPress backup plugin. This is a relatively inexpensive, easy and elegant to use way to make sure your website is accessible to you.
Use strong passwords - Do what you can to use a password, alpha-numeric. Easy to remember passwords are easy to guess!
Move your wp-config.php file up one directory from the WordPress root. WordPress will look for it there if it cannot be found in the root directory. Also, nobody will have the ability to read the document unless they've FTP or SSH access.
You can even get an SSL Encyption Security for your WordPress blogs. The SSL Security makes encrypted and secure communications with your blog. So that all transactions are listed, you may even keep history of communication and the all the cookies. Make sure all your sites get SSL security for protection from hackers.
There are always going to be risks being online (or even just being alive!) And it's easy to get caught up in the panic. We often put the sites breaks on, As soon as we get caught up in the fear. This isn't a good response. Just take some common sense precautions link forge ahead. If something bad does happen, it is going to need to be addressed then and of quaking in your boots 23, no amount will have helped. All is good, if nothing does and you have not made yourself sick with worry.