Strange SBS problems.

I have an SBS 2003 box that recently had some trojan activity (SayOSay) and the hard drive collapsed. Now up again, there are a couple of things that it does that I cannot work out.

- First of all, in Windows Explorer, EXE file types are listed as ??? rather than Application.
- Most control panel applets do not run - i have to invoke them with control.exe "applet".cpl (etc)
- SBS/NTBACKUP cannot backup the Exchange Information Store.
- And some EXE files I do run bring up an MSI Installer parameters dialog box rather than running the program.

Are these related at all, and can anyboy shed any light on them for me? I bunch these together in case one symptom gives a clue to another, but yes, they are seperate problems.
Server - from the users' point of view - seems to be otherwise working well.

Any assistance appreciated.
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redseatechnologiesConnect With a Mentor Commented:
This box was compromised by a virus?  I wouldn't spend any time on it at all, and simply wipe it.  Who knows what else you have in there.
do you currently have an anti-virus running on the server in question?  if so what are you running?
CircleblueConnect With a Mentor Commented:
I recently came into  a  problem similar to this where the association to EXE files were wiped..  I found the solution for Windows XP on    look for the win xp fix / file association fixes / EXE fix
now I know it is an XP fix... but do some research before doing this.  I would be very skeptical.  

To be honest,  if I could read the drive and copy the important data across the network, I would do that and rebuild the server.  


Jeffrey Kane - TechSoEasyConnect With a Mentor Principal ConsultantCommented:
I agree with red... if you've had a trojan on your server you don't own that server anymore.  Reformat the hard drive and reinstall the OS.  Otherwise you'll be chasing ghosts from now on.

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