Help please...my forum got hacked!!!

[soMzE]

My settings.php file has 644 permissions, which is probably what it should be.

Thank you, did that right away!! But what i don't understand.. now it's still readable, but everything is in that file..

And IchBin, i have sended you the logfiles

Thank you all for your support..

[marzi]

Readable is harmless.
I may have gotten the wrong impression from what you have written but it seems that the server you forum is on has been compromised. You should move to a server that is secure if that is the case.