<non-existent> processes shown in TCPview / sysinternals.com

OS: XP Pro MCE SP1
CPU: Intel P4 3.0G HT

What is a "non-existent" process and why are there so many sitting idle?  I've seen this once before with a tricky trojan that I could only detect with a german freeware antivirus program whose name I cannot recal in an .INS while running in safe mode

http://img35.exs.cx/img35/3721/EE_040930_nonexistentprocesshuh.png

I've used a variety of the online scanners despite my Internet explorer loathing, run spybot and adaware, and run a full system scan with NAV2004 with no results.   None of my programs are configured to use ports:  548, 952 or 2388, nor does the router allow traffic in on those ports.  At no time was an event triggered in the software firewall on this machine.

Nothing tricky seems to be running according to both HiJackThis and RegSeeker


help?

paradoxlossAsked:
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ghanaCommented:
Some time ago I found somewhere an explanation about those processes: They claimed that these processes are inactive and marked for termination but not already terminated. Although this information might be true it's still the question why this behaviour does not occure on more computers.
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paradoxlossAuthor Commented:
It occurs to me I should mention that there is no actual established connection to anywhere:

http://img35.exs.cx/img35/2141/EE_040930_nonexistentprocesslisten.png

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ghanaCommented:
ActivePorts is a freeware that will show which port is opened by which program (similar to TCPview). I would hope this software will be able to identify the corresponding executable. If you know the name of the executable this will give a hint whether it is a normal or malware process.

ActivePorts: http://www.protect-me.com/freeware.html
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ghanaCommented:
By the way: Were you logged in with local administrative rights when starting TCPview?
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paradoxlossAuthor Commented:
@ghana

Active ports returned the same vague informatin as did process explorer from sysinterals (the screenshot).   Yes, that account has admin rights

{puzzled}
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