Server Hacked and can't delete folders placed on it HELP

OK I know I should have had secure account set up on my IIS 5 ftp server, but I didn't and now I am paying the price.  Someone logged in anomyously on my server and created a folder with no name.  I mean it is just blank in the name, but it shows up blank as a directory in the command line also.  I have tried to delete the folder but all I get is folder or file cannot be found.  Please help me get rid of this folder and all of its subcontents.  If you need more information please ask.
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jk9694Asked:
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darkdragoConnect With a Mentor Commented:
well you could probably use something like knoppix to delete the folder
http://www.knoppix.org/
that would probably be the easiest thing to do
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jk9694Author Commented:
Great that worked and i figured worse comes to worse I could just reformat the drive I do keep really good backups.  What or how can a folder/directory be created that shows up like that?  I was able to browse the folder, but like i said deleting was impossible even as the administrator.
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darkdragoCommented:
sorry about the long delay as I am currently getting ready to move.
I dont believe that is was you didnt have permission to delete it. I think it was a bug in windows itself. I remember back in windows 98 days (or at least that was when I heard of it) that you could name a folder with a certain ascii code and it couldnt be deleted via gui and possible commandline.
Now for this person to do something like that on your box they may have gotten a local console and did it or probably used a *nix os got into the system then just made it remotely. There are probably other ways but I dont know off hand.
found a couple more things to that you might want to look at just for reference.
http://support.microsoft.com/default.aspx?scid=kb;en-us;120716
http://support.microsoft.com/default.aspx?scid=kb;en-us;320081
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