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System crash during anti virus scan


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9 replies to this topic

#1 korell

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Posted 17 October 2009 - 11:26 AM

Every time I run an AVG anti virus scan (scheduled or manual), my system crashes. I have not noticed any symptoms other than that, but I suspect that my computer is infected with something.
I am running WinXP SP3 on a Dell Dimension 9100 with a 3GHz processor and 2GB of RAM (160GB HD with 89GB free space).

I ran MalwareBytes' Anti Malware and had the same symptom. About 30 minutes into the scan, the system crashed. I then restarted and ran MBAM again. This time I monitored it as it got closer to the 30 minute mark. At 31 min 12 sec it crashed again, but I was able to see where in the scan process it happened. The scan process stopped at "C:\Program Files\Microsoft Office\OFFICE11\VS Runtime\MSENV.DLL". I then restarted yet once again and scanned just that file by itself and it came back clean. I then scanned all the remaining files except the one following MSENV.DLL as I expected it to be the cuplrit. All other files in the "VS Runtime" directory scanned clean. I then tried to scan MSVCP70.DLL (the one following MSENV.DLL), and the system immediately crashed. After restart I tried to just select that file and it crashed again. It appears that every attempt to access MSVCP70.DLL causes the system to crash.

Any help would be greatly appreciated.

Thanks,
Sacha

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#2 garmanma

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Posted 17 October 2009 - 09:54 PM

:trumpet:

We Need to check for Rootkits with RootRepeal
  • Download RootRepeal from the following location and save it to your desktop.
  • Extract RootRepeal.exe from the archive (If you did not use the "Direct Download" mirror).
  • Open Posted Image on your desktop.
  • Click the Posted Image tab.
  • Click the Posted Image button.
  • Check all seven boxes: Posted Image
  • Push Ok
  • Check the box for your main system drive (Usually C:), and press Ok.
  • Allow RootRepeal to run a scan of your system. This may take some time.
  • Once the scan completes, push the Posted Image button. Save the log to your desktop, using a distinctive name, such as RootRepeal.txt. Include this report in your next reply, please.

----------------------------------

Please note: If Rootrepeal fails to run, try this step: Click Settings - Options. Set the Disk Access slider to High

Also try: right-click on rootrepeal.exe and rename it to tatertot.scr

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

:flowers:

Please download Win32kDiag.exe by AD and save it to your desktop.
alternate download 1
alternate download 2
  • This tool will create a diagnostic report
  • Double-click on Win32kDiag.exe to run and let it finish.
  • When it states Finished! Press any key to exit..., press any key on your keyboard to close the program.
  • A file called Win32kDiag.txt should be created on your Desktop.
  • Open that file in Notepad and copy/paste the entire contents (from Starting up... to Finished! Press any key to exit...) in your next reply.
--------------------------------------


:thumbsup: Go to Posted Image > Run..., then copy and paste this command into the open box: cmd
Click OK.
At the command prompt C:\>, copy and paste the following command and press Enter:
DIR /a/s %windir%\scecli.dll %windir%\netlogon.dll %windir%\eventlog.dll >Log.txt & START notepad Log.txt
A file called log.txt should be created on your Desktop.
Open that file and copy/paste the contents in your next reply.
Mark
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why won't my laptop work?

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#3 korell

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Posted 19 October 2009 - 07:56 AM

Thanks for your help, Mark!

Here are the logs:

ROOTREPEAL © AD, 2007-2009
==================================================
Scan Start Time: 2009/10/19 07:16
Program Version: Version 1.3.5.0
Windows Version: Windows XP SP3
==================================================

Drivers
-------------------
Name: dump_iaStor.sys
Image Path: C:\WINDOWS\System32\Drivers\dump_iaStor.sys
Address: 0xA4E8D000 Size: 872448 File Visible: No Signed: -
Status: -

Name: rootrepeal.sys
Image Path: C:\WINDOWS\system32\drivers\rootrepeal.sys
Address: 0xA2869000 Size: 49152 File Visible: No Signed: -
Status: -

Hidden/Locked Files
-------------------
Path: c:\documents and settings\sacha.korell\local settings\temp\~df9b18.tmp
Status: Allocation size mismatch (API: 16384, Raw: 0)

Path: c:\documents and settings\sacha.korell\local settings\temp\~dfa209.tmp
Status: Allocation size mismatch (API: 16384, Raw: 0)

==EOF==


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


Win32kDiag.txt:

Running from: C:\Documents and Settings\sacha.korell\Desktop\Win32kDiag.exe
Log file at : C:\Documents and Settings\sacha.korell\Desktop\Win32kDiag.txt
WARNING: Could not get backup privileges!
Searching 'C:\WINDOWS'...

Finished!


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


log.txt:

Volume in drive C has no label.
Volume Serial Number is E094-50CB

Directory of C:\WINDOWS\$NtServicePackUninstall$

08/04/2004 12:56 AM 180,224 scecli.dll

Directory of C:\WINDOWS\$NtServicePackUninstall$

08/04/2004 12:56 AM 407,040 netlogon.dll

Directory of C:\WINDOWS\$NtServicePackUninstall$

08/04/2004 12:56 AM 55,808 eventlog.dll
3 File(s) 643,072 bytes

Directory of C:\WINDOWS\ServicePackFiles\i386

04/13/2008 07:12 PM 181,248 scecli.dll

Directory of C:\WINDOWS\ServicePackFiles\i386

04/13/2008 07:12 PM 407,040 netlogon.dll

Directory of C:\WINDOWS\ServicePackFiles\i386

04/13/2008 07:11 PM 56,320 eventlog.dll
3 File(s) 644,608 bytes

Directory of C:\WINDOWS\system32

04/13/2008 07:12 PM 181,248 scecli.dll

Directory of C:\WINDOWS\system32

04/13/2008 07:12 PM 407,040 netlogon.dll

Directory of C:\WINDOWS\system32

04/13/2008 07:11 PM 56,320 eventlog.dll
3 File(s) 644,608 bytes

Total Files Listed:
9 File(s) 1,932,288 bytes
0 Dir(s) 88,599,846,912 bytes free


Thanks,
Sacha

#4 garmanma

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Posted 19 October 2009 - 07:41 PM

Try one more for me please


Vista users can refer to these instructions to open a command prompt.

Alternatively you can do this:

Please download peek.bat and save it to your Desktop. Double-click on peek.bat to run it. A black Command Prompt window will appear indicating the program is running. Once it is finished, copy and paste the entire contents of the Log.txt file it creates in your next reply.

If you encounter a problem downloading or getting peek.bat to run, go to Posted Image > Run..., and in the open box, type: Notepad
  • Click OK.
  • Copy and paste everything in the code box below into the Untitled - Notepad.
@ECHO OFF
DIR /a/s C:\WINDOWS\scecli.dll C:\WINDOWS\netlogon.dll C:\WINDOWS\eventlog.dll C:\Windows\cngaudit.dll >Log.txt
START Log.txt
DEL %0
  • Go to File > Save As, click the drop-down box to change the Save As Type to *All Files and save it as "peek.bat" on your desktop.
  • Double-click peek.bat to run the script.
  • A window will open and close quickly, this is normal.
  • A file called log.txt should be created on your Desktop.
  • Open that file and copy/paste the contents in your next reply.
-- Vista users, users can refer to these instructions to Run a Batch File as an Administrator.
Mark
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why won't my laptop work?

Having grandkids is God's way of giving you a 2nd chance because you were too busy working your butt off the 1st time around
Do not send me PMs with problems that should be posted in the forums. Keep it in the forums, so everyone benefits
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#5 gannon

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Posted 19 October 2009 - 10:11 PM

Mark - I have the same issue, and have completed the same steps as you outlined to korell. I have HP Pavilion XP SP3, 1.5 GB Main memory. Can I send along the text logs for you to review as well? If so, should I use this same thread? Please advise. Thanks.

#6 korell

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Posted 20 October 2009 - 07:36 AM

Thanks Mark!

Here's the log from the peek.bat run:

Volume in drive C has no label.
Volume Serial Number is E094-50CB

Directory of C:\WINDOWS\$NtServicePackUninstall$

08/04/2004 12:56 AM 180,224 scecli.dll

Directory of C:\WINDOWS\$NtServicePackUninstall$

08/04/2004 12:56 AM 407,040 netlogon.dll

Directory of C:\WINDOWS\$NtServicePackUninstall$

08/04/2004 12:56 AM 55,808 eventlog.dll
3 File(s) 643,072 bytes

Directory of C:\WINDOWS\ServicePackFiles\i386

04/13/2008 07:12 PM 181,248 scecli.dll

Directory of C:\WINDOWS\ServicePackFiles\i386

04/13/2008 07:12 PM 407,040 netlogon.dll

Directory of C:\WINDOWS\ServicePackFiles\i386

04/13/2008 07:11 PM 56,320 eventlog.dll
3 File(s) 644,608 bytes

Directory of C:\WINDOWS\system32

04/13/2008 07:12 PM 181,248 scecli.dll

Directory of C:\WINDOWS\system32

04/13/2008 07:12 PM 407,040 netlogon.dll

Directory of C:\WINDOWS\system32

04/13/2008 07:11 PM 56,320 eventlog.dll
3 File(s) 644,608 bytes

Total Files Listed:
9 File(s) 1,932,288 bytes
0 Dir(s) 88,552,316,928 bytes free


Sacha

#7 garmanma

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Posted 20 October 2009 - 06:16 PM

Now that you were successful in creating those logs you need to post them in our HJT forum There they will help you with the removal through some custom scripts and programs that we cannot run here in this forum

First, try to run a DDS / HJT log as outlined in our preparation guide:
http://www.bleepingcomputer.com/forums/t/34773/preparation-guide-for-use-before-using-malware-removal-tools-and-requesting-help/

If it won't run, don't worry, just give a brief description and tell them that these logs were all you could get to run successfully

Post them here:
http://www.bleepingcomputer.com/forums/f/22/virus-trojan-spyware-and-malware-removal-logs/

The HJT team is extremely busy, so be patient and good luck
Mark
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why won't my laptop work?

Having grandkids is God's way of giving you a 2nd chance because you were too busy working your butt off the 1st time around
Do not send me PMs with problems that should be posted in the forums. Keep it in the forums, so everyone benefits
Become a BleepingComputer fan: Facebook and Twitter

#8 garmanma

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Posted 20 October 2009 - 06:18 PM

@ gannon
Start your own topic and someone will be along to look at the logd
Mark
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why won't my laptop work?

Having grandkids is God's way of giving you a 2nd chance because you were too busy working your butt off the 1st time around
Do not send me PMs with problems that should be posted in the forums. Keep it in the forums, so everyone benefits
Become a BleepingComputer fan: Facebook and Twitter

#9 korell

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Posted 20 October 2009 - 07:21 PM

Thanks a lot for your help and time, Mark!

I will do that.

Sacha

#10 Orange Blossom

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Posted 20 October 2009 - 09:33 PM

Hello,

Now that you have posted a log here: http://www.bleepingcomputer.com/forums/t/265794/system-crash-during-anti-virus-scan/ you should NOT make further changes to your computer (install/uninstall programs, use special fix tools, delete files, edit the registry, etc) unless advised by a HJT Team member, nor should you ask for help elsewhere. Doing so can result in system changes which may not show in the log you already posted. Further, any modifications you make on your own may cause confusion for the helper assisting you and could complicate the malware removal process which would extend the time it takes to clean your computer.

From this point on the HJT Team should be the only members that you take advice from, until they have verified your log as clean.

Please be patient. It may take a while to get a response because the HJT Team members are EXTREMELY busy working logs posted before yours. They are volunteers who will help you out as soon as possible. Once you have made your post and are waiting, please DO NOT make another reply until it has been responded to by a member of the HJT Team. Generally the staff checks the forum for postings that have 0 replies as this makes it easier for them to identify those who have not been helped. If you post another response there will be 1 reply. A team member, looking for a new log to work may assume another HJT Team member is already assisting you and not open the thread to respond.

Please be patient. It may take several days, up to two weeks perhaps less, to get a response but your log will be reviewed and answered as soon as possible. I advise checking your topic once a day for responses as the e-mail notification system is unreliable.

To avoid confusion, I am closing this topic. Good luck with your log.

Orange Blossom :thumbsup:
Help us help you. If HelpBot replies, you MUST follow step 1 in its reply so we know you need help.

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