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BSOD ndis.sys Win 7

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Posted 11 February 2014 - 11:59 PM

Dear all,


I am in the process of cleaning up a friend's laptop which was heavily infected with a variety of malware.


After installing and running Windows Defender, Windows Security Essentials, Spybot S&D and Antimalwarebytes the computer started freezing up.  Eventually Windows Defender reported that its service had stopped and on trying to restart it, I encountered the BSOD.


On the next reboot, I encountered the BSOD which flags ndis.sys as the culprit.


I can access windows in safe mode (without networking) and have completed the cleanup with the above tools.  However as ndis.sys is the network discovery interface, I am unable to connect the machine to the internet in order to update the driver.


I also would like to confirm it is not a virus, although currently the above tools all report the machine as being clean.  I find it is strange that the BSOD only occurred after installing and running the anti-virus programs, so I was wondering if there might be a conflict with something nasty embedded a little deeper.


Your help is greatly appreciated.


Kind regards,



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#2 TsVk!


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Posted 12 February 2014 - 02:35 AM



sfc /scannow


from the elevated command prompt may help you. (with the immediate problem of not being able to network the machine)


Please check the system for stability and browser redirection afterwards. Malware can be quite persistent.

Edited by TsVk!, 12 February 2014 - 02:36 AM.

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