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DcomLaunch using up ton of memory and TCP/IP connections

Posted on 2014-01-08
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Last Modified: 2014-01-15
Issue with an employee's pc getting very slow and unresponsive after a while.  Upon research I've found that the SVCHost process running the DCOM Launcher and TermServices is what is causing the issue.  It will start out using 200,000K after reboot and as you can see with the screen print can really start to hog the memory.  But what is more odd is all the TCPIP connections using all sorts of ports locally to HTTP ports.  I've run AVG Scan and Malawarebytes but nothing is showing up as bad.  Anyone have any ideas??  User is having to reboot every hour or so or his pc will just freeze up altogether.   Screen Print of Processes Running
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Question by:VersaliftEast
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by:Pradeep VIshwakarma
ID: 39767498
hi,

In the System Configuration Utility dialog box, click Selective Startup on the General tab.
Click to clear the Load Startup Items check box.
Note The Use Original Boot.ini check box is unavailable.
Click the Services tab.
Click to select the Hide All Microsoft Services check box.
Click Disable All, and then click OK.
When you are prompted, click Restart.

Also do these to cleanup general corruption and repair/replace damaged/missing system files.

Run DiskCleanup - Start - All Programs - Accessories - System Tools - Disk Cleanup

Start - type this in Search Box ->  COMMAND   find at top and RIGHT CLICK  -  RUN AS ADMIN

Enter this at the prompt - sfc /scannow
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VersaliftEast earned 0 total points
ID: 39771592
I had already done all that - still nothing.  

It ended up being #1 - Flash Player was being used to pull large amount of memory - had to stop the svchost running the DComLauncher process and uninstall Flash Player - it wouldn't allow uninstall without stopping the service.  Once service is stopped you only have 60 seconds to uninstall before XP would reboot itself.  

After that was fixed there was still a lot of TCPIP connections happening even with no apps on and still running with all the services disabled at startup.   So 2nd problem ended up being a Trojan virus that our Business AVG AV wasn't catching - BitDefender did tho.  

Everything seems to be back running ok now, altho monitoring the users machine still.
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Author Closing Comment

by:VersaliftEast
ID: 39781805
Took 3 days to figure it out, but it is fixed.
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