I have had two WordPress blogs hacked into in the past. That was at a time when I was doing very little internet marketing, and until I found time to address the situation (months later), these sites were penalised in the search engines. They were not removed, but the rankings were reduced.
WordPress cloning, as it applies to fix wordpress malware fix, is the act of creating an exact copy of your WordPress install. What's good is that with the right software, you can do it in only a few clicks. There are a lot of reasons. Here are just a few.
After spending a few days and hitting a few spots around town, I eventually find a cafe that provides free, unsecured Wi-Fi and to my pleasure, there are a ton of people sitting around daily connecting their laptops to the"free" Internet services. I use my handy dandy Wi-Fi cracker tool and sit down and log myself. Bear in mind, they are all on a network.
Move your wp-config.php file one directory up from the WordPress root. WordPress will search for it there if it can't be found in the root directory. Also, nobody will have the ability to read the file unless they have FTP or SSH access to your server.
Note that this step for new installations should only try. You will also have to change all the table names inside the database, if you would like to get it done for installations.
Do your homework and some searching, but if you're pressed for time and need to this get this done once and for all, try out the WordPress security plugin that I use. It is a relief to know that my site (and company!) are secure.