Preserve headers/logos underneath 125 pixels high. It takes up beneficial viewing space, primarily for laptop users, that is ideal left for the good stuff to appear"above the fold." Take a cue from the massive businesses, straightforward logos completed nicely say it all. This is our #1 pet peeve - screaming logos and headers!
Let me shoot a few scare tactics your way since scare tactics seem to be what drives some people to take fix wordpress malware fix a little more seriously, or at the very least start thinking about the issue.
Safeguard your login credentials - Do not keep your login credentials where they might be found by a hacker. Store them off, and even offline. Roboform is very good for protecting them. Food for thought!
It's a WordPress plugin. They are drop dead simple to install, have all the Source functions you need for a job like this, and are relatively cheap, especially when compared to having to hire someone to have this done for you.
It's time use this individual's name and identity and to sign up for a Facebook account. Once I get it all set up, right here I'll be emailing you posing as your friend and asking you to be friends with me on Facebook (or Twitter, or whichever social site).
But realize that online security is something you really need to start thinking about. Do not just be the type that is reactive, consider steps to start today, protecting yourself. Do not let Joe the Hacker make your life miserable and turn all in creating come crashing down in a matter of moments, that you've worked so hard.