A few years back a lot of dolphin hackers and related sites had some form of Turkey connection. There were forums, and maybe there still are that talked about hacking dolphin sites. There seems to be some countries that you hear about this originating from more than others. I don't know that it is fair to single out entire countries for a handful of bad seeds, but some do it anyway.

There used to be and probably still are hacking competitions. They would change and deface the main page with there see more little screen name or group like the screen shot you have posted. I hear about things like this sometimes being done by competing sites, but not very often.

I see a number of sites that do not allow members from certain countries, like parts of Asia, the Mid East, and some country's in Africa. It's ones choice to single them out, block them, or whatever, but last time I checked the U.S. was ranked #1 for hackers, spammers, phishing schemes, you name it.

If it is on wamp one of the things windows tends to do is make all files and folders writable and executable by default rather than read only.

Best of luck, hope you get it squared away and locked down.