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Problem with NTOSKRNL.EXE........am i infected?

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#1 ross78


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Posted 16 November 2013 - 09:56 AM

Hallo , i have a serious problem with my pc.

In the last month i have one or more daily BSOD - of my Windows 7 - 64 bit. 

In this machine i use Photoshop, Illustrator , Indesign , Maxon Cinema 4d and Autodesk autocad.

I dont use overclock - i have 8 gb ram - ATi radeon hd8500 - 3 hard disk - processor AMD 


Looking for a solution in internet i read about Blue screen wiever and i discovered that the driver tha alway cause the crash is "NTOSKRNL.EXE"


I also read that there are many reasons that may block this driver. Then i did the following steps :


- a full scan with Malaware Byte 

- a full scan with Kaspersky Pure 3.0 antivirus (it found and deleted a visrus attached at cad file)

- an hour scan with Mem test (no - errors)

- scf scannow

- updated the ati HD8500 drivers and tested the hardware with OCCT

- used hijack this (but i cant understand a lot of the report :(

- used CPUID monitor : temperatures seems normal


After these steps the situation is chanced because the system crash specially when


- i run Combofix in normal mode (in the safe mode of windows Combofix complete the scan and deleted a file in flash player folder.......dont know why)

- i run Windows defender

The processor  always run  between 5% and 25% and ram  used is always about 1.9 GB : this is not normal for this machine i think i never seen this values before. The fans run very fast.


Can it be a virus ? Or some other hardware problem? ...........really dont know what to do, and i dont want to format if it is possible.


Thanks to ones that will help me






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#2 ross78

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Posted 17 November 2013 - 01:10 AM

A little update............

- i tried Malware antirootkit..............pc crashes;

- I tried aswMBR .............pc crashes.


now i havent BSOD when pc crash but only a messed up screen and total block of machine. I have to restart with the button in the case.


Any suggestion?  :smash:  :smash:

#3 hamluis



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Posted 17 November 2013 - 07:13 AM

Since you have run ComboFix and have the CF log...please follow Steps 6-8 of Preparation Guide, Before Using Malware Removal Tools and Requesting Help - http://www.bleepingcomputer.com/forums/topic34773.html and initiate a new topic in the forum containing the Prep Guide.  In addition to pasting in the DDS log requested, please include the ComboFix log you already have.


Once that is done, this topic will be closed.



#4 ross78

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Posted 17 November 2013 - 08:36 AM

Thank you louis for your answer and indication.  I did the new topic in the right section.

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