Upload everything in ASCII/text mode using your FTP programs.

Set permissions of fatbomb.cgi to 755.

That's it.

Strongly suggested:
Either before or after uploading, change the folder:
fatbomb to somethingelse

fatbomb.cgi to AnotherSomethingElse.cgi

Use a couple of important keywords in these file names, it can't hurt.

Note that you will have to log into your Admin and add some databases before your engine will return results.

Your admin URL chould look something like this:

http://www.yourdomain.com/cgi-bin/fatbomb.cgi/admin/do_login

Or maybe:

http://www.yourdomain.com/cgi-bin/fatbomb/fatbomb.cgi/admin/do_login

The default password is:
changeme

Change this immediately!