TechSpot

Random Internet Disconnection

By punkerex
Sep 17, 2010
  1. Hello,

    I posted in the Network section to see if it may be something 'hardware' wrong with my system, but I also decided to run the 6 steps to double check and see if my problems are virus/bug related. What is happening is I will be on the internet and then will randomly disconnect from the network. I am hardwired from a router, tried switching ports and come to find out it is not the router (2nd computer connected to it and it is fine without any problems).

    The most I run at one time would be Ventrilo, WoW, and a website in the background and previously this was not a problem. I also would mention that recently we added networking for my computer to have access to the printer in a different room; not sure if that may have started causing this.

    Please advice :)
     

    Attached Files:

  2. crunchie

    crunchie Malware Helper Posts: 728

    Hi. Please update MBA-M and run it again as directed in the sticky. The version you ran is ancient.

    Post the log when done.
     
  3. punkerex

    punkerex TS Rookie Topic Starter Posts: 37

    Apologies, here is the updated information. Thank you :)
     

    Attached Files:

  4. crunchie

    crunchie Malware Helper Posts: 728

    No worries :). That looks fine, but we have to be sure by running the most up-to-date definitions file.

    ==

    Please download ComboFix by sUBs from HERE or HERE
    • You must download it to and run it from your Desktop
    • Physically disconnect from the internet.
    • Now STOP all your monitoring programs (Antivirus/Antispyware, Guards and Shields) as they could easily interfere with ComboFix.
    • Double click combofix.exe & follow the prompts.
    • When finished, it will produce a log. Please save that log to post in your next reply.
    • Re-enable all the programs that were disabled during the running of ComboFix..

    Note:
    Do not mouse-click combofix's window while it is running. That may cause it to stall.

    CF disconnects your machine from the internet. The connection is automatically restored before CF completes its run. If CF runs into difficulty and terminates prematurely, the connection can be manually restored by restarting your machine.

    Run Combofix ONCE only!!

    ============

    Download OTL to your Desktop.

    * Double click on the icon to run it. Make sure all other windows are closed and to let it run uninterrupted.
    * Under the Custom Scan box paste this in:


    netsvcs
    %SYSTEMDRIVE%\*.exe
    /md5start
    eventlog.dll
    scecli.dll
    netlogon.dll
    cngaudit.dll
    sceclt.dll
    ntelogon.dll
    logevent.dll
    iaStor.sys
    nvstor.sys
    atapi.sys
    IdeChnDr.sys
    viasraid.sys
    AGP440.sys
    vaxscsi.sys
    nvatabus.sys
    viamraid.sys
    nvata.sys
    nvgts.sys
    iastorv.sys
    ViPrt.sys
    eNetHook.dll
    ahcix86.sys
    KR10N.sys
    nvstor32.sys
    /md5stop
    %systemroot%\*. /mp /s
    %systemroot%\system32\*.dll /lockedfiles
    %systemroot%\System32\config\*.sav
    CREATERESTOREPOINT


    * Click the Quick Scan button. Do not change any settings unless otherwise told to do so. The scan wont take long.
    • When the scan completes, it will open two notepad windows: OTL.txt and Extras.txt. These are saved in the same location as OTL.
    • Please copy (Edit->Select All, Edit->Copy) the contents of these files, one at a time, and post them back here.
     
  5. punkerex

    punkerex TS Rookie Topic Starter Posts: 37

    Here we go!

    Not sure if this extra info helps, but I just noticed this. While I am actively looking at my Task Manager, for some reason under the 'Processes' tab, my System Idle Process is now constantly running at between 78-99 and a program called wmpnetwk.exe keeps shifting every second between 00 and 17-19. Along with that, under the 'Performance' tab, the CPU Usage History spikes once I log into an MMORPG game it goes all the way top and then I get the disconnects. When I try to run a browser (regular email surfing or even in here) or Netflix/Youtube/Ventrilo, under the 'Performance' tab, the CPU Usage History starts looking like an EKG rather than a steady flat line as it used to. I can still watch videos and browse, but after some time I still get booted.
     

    Attached Files:

  6. crunchie

    crunchie Malware Helper Posts: 728

    Please download JavaRa

    If you get this message:
    Problems with the download? Please use this direct link or try another mirror.

    Select the Direct link download unzip it to your Desktop.

    Double click JavaRa.exe then click Remove Older Versions.

    Follow any prompts; a log will popup (JavaRa.log)-- please post the contents of this log.

    Next, open JavaRa.exe again, and select Search For Updates.

    Select Update Using Sun Java's Website --> Search, and continue the instructions for downloading and installing the latest Java version. Look for JDK 6 Update 21 (JDK or JRE). On the right select this one Download JRE..

    In Vista and Windows 7 run the tool as Administrator.

    ===============

    1. Please open Notepad
    • Click Start , then Run
    • Type notepad.exe in the Run Box.
    2. Now copy/paste the entire content of the codebox below into the Notepad window:
    Code:
    KillAll::
    
    File::
    c:\windows\system32\SVKP.sys
    Driver::
    SVKP
    
    RegLock::
    [HKEY_LOCAL_MACHINE\software\Classes\CLSID\{A483C63A-CDBC-426E-BF93-872502E8144E}]
    
    [HKEY_LOCAL_MACHINE\software\Classes\Interface\{E3F2C3CB-5EB8-4A04-B22C-7E3B4B6AF30F}]
    
    Note: the above code was created specifically for this user. If you are not this user, do NOT follow these directions as they could damage the workings of your system.

    3. Save the above as CFScript.txt

    4. Physically disconnect from the internet.

    5. Now STOP all your monitoring programs (Antivirus/Antispyware, Guards and Shields) as they could easily interfere with ComboFix.

    6. Then drag the CFScript.txt into ComboFix.exe as depicted in the animation below. This will start ComboFix again.

    [​IMG]


    7. After reboot, (in case it asks to reboot), please post the following reports/logs into your next replyafter you re-enable all the programs that were disabled during the running of ComboFix:
    • Combofix.txt
    Please take note:

    CF disconnects your machine from the internet. The connection is automatically restored before CF completes its run. If CF runs into difficulty and terminates prematurely, the connection can be manually restored by restarting your machine.
     
  7. punkerex

    punkerex TS Rookie Topic Starter Posts: 37

    Attached are the following requested. As always, thank you for all your help and time ^_^
     

    Attached Files:

  8. crunchie

    crunchie Malware Helper Posts: 728

    Looks ok. How are things now?
     
  9. punkerex

    punkerex TS Rookie Topic Starter Posts: 37

    So far it has been ok. I played some games online and no lagging or disconnects. The only time I seemed to run slow was when I had a web page open in the background. I was afraid to run Ventrilo along with it for fear of disconnect, but I will try this evening and see how the connection holds. I will also wait to see what happens when the other computer is on same time as mine and see if that is a factor as well.

    I'll keep posted, thank you very much again =D
     
  10. crunchie

    crunchie Malware Helper Posts: 728

    No worries. I'll be here.
     
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