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  1. #1
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    SVCHOST using all system resources..

    during the day when im either watching a movie or playing games, heck even just searching the web! my svchost.exe (System) instantly takes up 100% cpu usage from anywhere between 10seconds to 1minute... causing me to crawl through what ever i was doing untill it stops..

    does anyone know why this is happening? or what its doing..
    i have done several virus scans and im 100% sure its not a virus.

    my Pagefile is set to 2-4gb on a seperate HD from that of windows..

    thanks in advance.

  2. #2
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    look in the task manager to see how many svchost.exe items listed there. if you see more then 4 or 5 the usual something got onto your system. what have you used to scan for viruses and spywares? besides using a second antivirus program there are others for different adbots and spywares like the one at http://www.spywareterminator.com/

  3. #3
    Member RandomNameHere's Avatar
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    I have 8 of those running >.> I just reformatted. My computer isn't slow though.

  4. #4
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    did you copy any files back to drive after it was reformatted? maybe one of those has bug in it?

  5. #5
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    open the command prompt and type this command

    dir \svchost.exe /s /a

    there should be a few results. What you need to check is that all the results are exactly the same size. If any aren't then you have a virus or rootkit installed on your computer (the odd sized svchost.exe is the obvious one).

    Remove it from your system IF there is an odd sized one.

    cheers

  6. #6
    Member RandomNameHere's Avatar
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    I did that command and got:



    I see 6 svchost.exe when I look in the task manager.

    Input?

    EDIT: I do have another HDD and I did just reformat my main. I used a batch file that saved all drivers and stuff and put it into a folder called olddrivers and svchost.exe is in there. I have two olddrivers folders... one on my secondary HDD and one in the shared folder ( it's from another computer on the LAN which is reformatting now). I will burn the files to a disk then delete them from my computer and see if that does anything.
    Last edited by RandomNameHere; January 28th, 2007 at 09:02 AM. Reason: More info

  7. #7
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    Quote Originally Posted by wheelie007 View Post
    open the command prompt and type this command

    dir \svchost.exe /s /a

    there should be a few results. What you need to check is that all the results are exactly the same size. If any aren't then you have a virus or rootkit installed on your computer (the odd sized svchost.exe is the obvious one).

    Remove it from your system IF there is an odd sized one.

    cheers

    F:\Documents and Settings\Dog>dir \svchost.exe /s /a
    Volume in drive F has no label.
    Volume Serial Number is E0BB-7D18

    Directory of F:\WINDOWS\system32
    04/08/2004 09:56 AM 14,336 svchost.exe
    1 File(s) 14,336 bytes

    Directory of F:\WINDOWS\system32\dllcache
    04/08/2004 09:56 AM 14,336 svchost.exe
    1 File(s) 14,336 bytes

    Total Files Listed:
    2 File(s) 28,672 bytes
    0 Dir(s) 2,697,654,272 bytes free


    2 chosts.. both same size O.o

    mm? took forever 2 run the commnad:P

  8. #8
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    from running a "tasklist /svc"


    svchost.exe 1124 DcomLaunch, TermService

    svchost.exe 1196 RpcSs

    svchost.exe 1300 AudioSrv, Browser, CryptSvc, Dhcp, dmserver,
    ERSvc, EventSystem,FastUserSwitchingCompatibility, helpsvc,
    lanmanserver, lanmanworkstation, Netman,
    Nla, RasMan, Schedule, seclogon, SENS,
    SharedAccess, ShellHWDetection, srservice,
    TapiSrv, Themes, TrkWks, W32Time, winmgmt,
    wscsvc, wuauserv, WZCSVC

    svchost.exe 1348 Dnscache

    svchost.exe 1376 LmHosts, RemoteRegistry, SSDPSRV, WebClient

    svchost.exe 3324 HTTPFilter

  9. #9
    ΜΟΛΩΝ ΛΑΒΕ no1_vern's Avatar
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    Try this:
    Turn off indexing:

    1. Open up "My Computer."
    2. Right-click on your hard drive (usually "C:") and choose "Properties."
    3. Uncheck the box at the bottom that reads "Allow Indexing Service to..."
    4. Click OK, and files will be removed from memory. This removal may take a few minutes to complete.

    To disable the indexing service:

    1. In the "Start" menu, choose "Run."
    2. Type "services.msc" and press Enter.
    3. Scroll-down to "Indexing Service" and double-click it.
    4. If the service status is "Running", then stop it by pressing the "Stop" button.
    5. To make sure this service doesn't run again, under "Startup Type:", choose "Disabled."

    Also, turn off fastuserswitching unless you have more users than yourself.

    If this doesnt help, let us know.
    They say technology slows down for no one. I know it outruns my wallet. I figure its because my wallet isn't light enough yet.

    TechIMO Folding@home Team #111 - Crunching for the cure!
    dulce bellum inexpertis

  10. #10
    Member RandomNameHere's Avatar
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    tasklist /svc does not work in my cmd prompt... am I doing something wrong?

  11. #11
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    Quote Originally Posted by RandomNameHere View Post
    tasklist /svc does not work in my cmd prompt... am I doing something wrong?
    dont use " " or ' '

    simply

    tasklist /svc

    (im using Win XP Sp2)

  12. #12
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    Quote Originally Posted by no1_vern View Post
    Try this:
    Turn off indexing:

    1. Open up "My Computer."
    2. Right-click on your hard drive (usually "C:") and choose "Properties."
    3. Uncheck the box at the bottom that reads "Allow Indexing Service to..."
    4. Click OK, and files will be removed from memory. This removal may take a few minutes to complete.

    To disable the indexing service:

    1. In the "Start" menu, choose "Run."
    2. Type "services.msc" and press Enter.
    3. Scroll-down to "Indexing Service" and double-click it.
    4. If the service status is "Running", then stop it by pressing the "Stop" button.
    5. To make sure this service doesn't run again, under "Startup Type:", choose "Disabled."

    Also, turn off fastuserswitching unless you have more users than yourself.

    If this doesnt help, let us know.
    Quick question Vern what does this actually do?

    the index'ing service does?

  13. #13
    Member RandomNameHere's Avatar
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    I had to download tasklist.exe from some site : \ it worked though. But I don't know what it means lol

  14. #14
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    Having only 2 or 3 svchost.exe files on your system is normal. Hackers often infiltrate systems and upload rootkits with bogus svchost.exe files. That command would find them IF they existed.

    Having said all that, it is quite normal to have 6 or so instances of svchost.exe showing as running in Task Manager.

    One running at 100% just means a particular program or service is not functioning properly. A quick (but annoying) fix is to reboot.

    cheers

  15. #15
    ΜΟΛΩΝ ΛΑΒΕ no1_vern's Avatar
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    When you have the list of things running under svchosts, please list them here.

    The list should look something like this
    System Idle Process 0 N/A

    services.exe 1008 Eventlog, PlugPlay
    lsass.exe 1020 PolicyAgent, ProtectedStorage, SamSs
    ati2evxx.exe 1212 Ati HotKey Poller
    svchost.exe 1228 DcomLaunch, TermService
    svchost.exe 1296 RpcSs
    svchost.exe 1616 AudioSrv, Browser, CryptSvc, Dhcp, dmserver,
    ERSvc, EventSystem, helpsvc, HidServ,
    lanmanserver, lanmanworkstation, Netman,
    Nla, RasAuto, RasMan, SENS, SharedAccess,
    ShellHWDetection, TapiSrv, Themes, TrkWks,
    W32Time, winmgmt, wscsvc, wuauserv
    svchost.exe 1684 Dnscache
    spoolsv.exe 1876 Spooler
    svchost.exe 560 SSDPSRV, upnphost, WebClient
    netdde.exe 588 NetDDE, NetDDEdsdm
    Just list for us the services running under svchost.exe

    As for Windows XP's built-in search it is an indexing service that runs in the background cataloging all your files by name/date/etc. Turning it off will slow down your search for files that you do on your computer. UNless you search for files on your computer on a daily basis it just slows down your computer.
    They say technology slows down for no one. I know it outruns my wallet. I figure its because my wallet isn't light enough yet.

    TechIMO Folding@home Team #111 - Crunching for the cure!
    dulce bellum inexpertis

  16. #16
    Member RandomNameHere's Avatar
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    Image Name PID Services
    ========================= ====== =============================================
    svchost.exe 1316 DcomLaunch, TermService
    svchost.exe 1400 RpcSs
    svchost.exe 1528 6to4, AudioSrv, Browser, CryptSvc, Dhcp,
    ERSvc, EventSystem, helpsvc, Iprip,
    lanmanserver, lanmanworkstation, Netman,
    Nla, RasMan, Schedule, seclogon, SENS,
    SharedAccess, ShellHWDetection, srservice,
    TapiSrv, Themes, TrkWks, W32Time, winmgmt,
    wscsvc, wuauserv, WZCSVC
    svchost.exe 1588 Dnscache
    svchost.exe 1704 LmHosts, SSDPSRV, upnphost, WebClient
    svchost.exe 484 stisvc
    svchost.exe 3920 HTTPFilter
    svchost.exe 2956 usnsvc

  17. #17
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    Quote Originally Posted by no1_vern View Post
    When you have the list of things running under svchosts, please list them here.

    The list should look something like this

    Just list for us the services running under svchost.exe

    As for Windows XP's built-in search it is an indexing service that runs in the background cataloging all your files by name/date/etc. Turning it off will slow down your search for files that you do on your computer. UNless you search for files on your computer on a daily basis it just slows down your computer.
    kk thx,

    and the list u want i posted up around 3 posts:P of my svchost programs..

  18. #18
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    still doing this :'( no one knows why/how to fix?

  19. #19
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    What time is windows automatic update set to run?

    Is it the same time the computer slows down?

    I have several people complain about the computer pegging the processor and hoarding RAM at 11:00 every day. (Same time windows update is running.) Checking the services at that time I find a srvhost.exe running using as much or more than 100MB of RAM when I kill it the windows update fails. (Which reminds me I need to change the update time on the lunch lady's computer.)

    So most likely the "rootkit" is M$.

    Check it out, let us know.

    -Podsan

  20. #20
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    Thanks Podsan but i found the problem hehe=D

    if anyone else is having the problem, my solution is the following:

    http://support.microsoft.com/kb/927891

    Download the approrpriate patch for ur windows:P

    basicly its a patch they did for Microsoft update but it stuffed up on some computers:P and used 100%, this is the fix for it



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