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MalwareBytes cause freeze without err message


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sometime my friend calls me to help install or fix their computer...

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Act 01

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Several days ago.. I'm repair laptop Compaq CQ-... (i'm forgot the model) it has XP sp2 on it. The system infected with virut.

Actually the system is severily damage cause of sality infection, but my friend don't want to reinstall the OS. So i'm make hard work to clean it up.

After cleanin it up, I am install AVG 2011(free version) and MalwareBytes v1.48 for extra protection. Restart goes well, until i'm logon it's smooth like a baby, but after several seconds or minutes.. the computer freeze without error message or something just freeze. It did happen several times. the only different is the time before freeze is random. I'm already check the runnin process and it's nothing suspicious, processor and ram resource normal (not overloaded).

i'm try to safe mode...in safe mode, the system running perfectly well. So I'm guessing the startup item may coz the trouble. I'm try to disable the startup item one by one but the problem is the same. Until the last I'm only have 2 startup item: avgtray (for AVG free) n mbamgui (for malwarebytes) after restart the problem is the same.. freeze after several minutes without i'm doing anything.

So the last check is i'm disable mbamgui and restart....voila.. the system is up and running smoothly without freezing. Then I'm trying to re-enable all startup item EXCEPT for mbamgui. after restart the system running perfectly ok.

For this accident i can't not diagonose what coz for the ttrouble... but my opinion is maybe somethin in system or registry still has damage from virut and has impact or correlation with malwarebytes.

Below is another stroy when i'm not succesfully using malwarebytes.

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Act 2

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Last month i'm bought toshiba L-150 for my wife... Intel core 1-3, 2gb ddr3, 250 sata hd.

Then I'm installing the os with Win7 Ultimate (build 7600), drivers, etc. For protection i'm installing with AVG Internet security 2011 and malwarebytes v1.48.

After restart...the problem was the same like "act 1" above... the system freeze without any error message...

To shorten the stroy...i'm done the step same as 'act 1' above and i found that the startup problem is mbamgui. So I disable it.

Conclusion

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Maybe some of the readers will make conclusion there is something wrong with AVG/AVG intrnet Sec 2011 n Malwarebytes... unfortunately I am using AVG internet security 2011 and Malwarebyte v1.50 and my computer did not freeze just 2 computer above. My system is Win7 Ultiamte (v7600, n yesterday upgraded to Win7 ultimaate with SP1) with 2gigs ram.

For 2 unexplained error above may somebody ever experience the same problems... n maybe we could solve this..

Thnx for comment..

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Hello and welcome, sk2kilo:

I think you may have posted at the wrong forum, which may account for the lack of a prompt response.

For help with the MBAM program, please post here: http://forums.malwarebytes.org/index.php?showforum=41

For general help with your PC unrelated to MBAM, please post here: http://forums.malwarebytes.org/index.php?showforum=6

In the interim, in order to allow MBAM and AVG to run together without conflicts, it's necessary to set up several exclusions and permissions.

Show Hidden Files and Folders in Windows XP:

  • Click Start and select My Computer
  • Click the Tools item from the menu at the top of the window (if you don't see Tools press the Alt key on your keyboard and it will appear)
  • Select Folder Options
  • Click the View tab and make sure Show hidden files and folders is selected under Hidden files and folders
  • Next, uncheck the box next to Hide protected operating system files (Recommended)
  • Then, uncheck the box next to Hide extensions for known filetypes
  • Click Apply then click OK

Set Exclusions for Malwarebytes' Anti-Malware in AVG Free 2011 on Windows XP:

  1. Open AVG and close the pop-up ad that shows up on the bottom of the screen then double-click on Resident Shield
  2. Click on Tools at the top and select Advanced settings...
  3. Click on Excluded Items under Resident Shield
  4. Click on the Add Path button on the right
  5. Click on the + next to My Computer in the Browse For Folder window
  6. Click on the + next to your system drive (usually C:)
  7. Click on the + next to Program Files
  8. Click once on the Malwarebytes' Anti-Malware folder so that it is highlighted and click on OK
  9. Click on the Add Path button on the right
  10. Click on the + next to My Computer in the Browse For Folder window
  11. Click on the + next to your system drive (usually C:)
  12. Click on the + next to Documents and Settings
  13. Click on the + next to Application Data
  14. Click once on the Malwarebytes folder so that it is highlighted and click on OK
  15. Click on the Add File button on the right and click on My Computer on the left
  16. Double-click on your system drive (usually C:)
  17. Double-click on Windows
  18. Scroll to the right until you find the System32 folder and double-click on it
  19. Double-click on the drivers folder
  20. Scroll to the right until you find mbam.sys and double-click on it
  21. Click on the Add File button on the right and scroll to the right until you find mbamswissarmy.sys and double-click on it
  22. Click on the Apply button at the bottom of the program window and then click on OK
  23. Close the AVG window

Reset Hidden Files and Folders in Windows XP:

  • Click Start and select My Computer
  • Click the Tools item from the menu at the top of the window (if you don't see Tools press the Alt key on your keyboard and it will appear)
  • Select Folder Options
  • Click the View tab and make sure Do not show hidden files and folders is selected under Hidden files and folders
  • Next, check the box next to Hide protected operating system files (Recommended)
  • Then, check the box next to Hide extensions for known filetypes
  • Click Apply then click OK

Show Hidden Files and Folders in Windows Vista and Windows 7:

  • Click on the Start vista-7-start.png button and select Computer
  • Press the Alt key on your keyboard and click on Tools
  • Select Folder Options
  • Click the View tab and make sure that Show hidden files and folders is selected under Hidden files and folders
  • Next, uncheck the box next to Hide protected operating system files (Recommended)
  • Then, uncheck the box next to Hide extensions for known filetypes
  • Click Apply then click OK

Set Exclusions for Malwarebytes' Anti-Malware in AVG Free 2011 in Windows Vista and Windows 7:

  1. Open AVG and close the pop-up ad that shows up on the bottom of the screen then double-click on Resident Shield
  2. Click on Tools at the top and select Advanced settings...
  3. Click on Excluded Items under Resident Shield
  4. Click on the Add Path button on the right
  5. Click on the + next to Computer in the Browse For Folder window
  6. Click on the + next to your system drive (usually C:)
  7. Click on the + next to Program Files Note: This should be Program Files (x86) for 64 bit Windows versions.
  8. Click once on the Malwarebytes' Anti-Malware folder so that it is highlighted and click on OK
  9. Click on the Add Path button on the right
  10. Click on the + next to Computer in the Browse For Folder window
  11. Click on the + next to your system drive (usually C:)
  12. Click on the + next to ProgramData
  13. Click once on the Malwarebytes folder so that it is highlighted and click on OK
  14. Click on the Add File button on the right and click on Computer on the left
  15. Double-click on your system drive (usually C:)
  16. Double-click on Windows
  17. Scroll to the right until you find the System32 folder and double-click on it
  18. Double-click on the drivers folder
  19. Scroll to the right until you find mbam.sys and double-click on it
  20. Click on the Add File button on the right and scroll to the right until you find mbamswissarmy.sys and double-click on it Note: This will be C:\Windows\SysWOW64\drivers for 64 bit Windows versions.
  21. Click on the Apply button at the bottom of the program window and then click on OK
  22. Close the AVG window

Reset Hidden Files and Folders in Windows Vista and Windows 7:

  • Click on the Start vista-7-start.png button and select Computer
  • Press the Alt key on your keyboard and click on Tools
  • Select Folder Options
  • Click the View tab and make sure that Do not show hidden files and folders is selected under Hidden files and folders
  • Next, check the box next to Hide protected operating system files (Recommended)
  • Then, check the box next to Hide extensions for known filetypes
  • Click Apply then click OK

Set Exclusions for AVG Free 2011 in Malwarebytes' Anti-Malware:

  • Open Malwarebytes' Anti-Malware and click on the Ignore List tab
  • Click on the Add button
  • In the small browse window that opens, navigate to C:\Program Files and click once on AVG and click OK
  • Close Malwarebytes' Anti-Malware

You may wish to PM a mod or admin asking that they move this thread to the appropriate forum for better attention.

Until then, please do post back and let us know if this has worked for you.

Best regards,

daledoc1

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  • Root Admin

Just an FYI - there is no Malwwarebytes 1.48 the latest version is 1.50.1 and setting up the proper file exclusions will allow it to work with AVG

As for your scenario/act 1 well that one is a loss.

Hello.

The Virut virus is a file infector infection. Most experts suggest a format/reinstall.

Virut File Infector Warning

Your system is infected with the Win32.Virut virus.
Virus:Win32 VIRUT

Your system is infected with a polymorphic file infector called Virut. Virut is capable of infecting all the machine's executable files (.exe) and screensaver files (.scr) and also web pages (.html and .htm). However, the problem is that the virus has a number of bugs in its code, and as a result, it may misinfect a proportion of executable files and therefore, the files are corrupted beyond repair. As of now, security experts suggest that a clean reformat is the only way to clean the infection and it is the only way to return the machine to its normal working state.

Backup all your documents and important items (personal data, work documents, etc) only.
DO NOT
backup any executable files (softwares) and screensavers (*.scr) or any web pages (*.html or *.htm). It attempts to infect any accessed .exe or .scr or .html/.htm files by appending itself to the executable.

Also, try to avoid backing up compressed files (zip/cab/rar) files that have .exe or .scr files inside them. Virut can penetrate and infect .exe files inside compressed files too.

Disconnect it from any Network and do not share external USB drives or similar devices with any other computer as it can easily infect them as well if they're not protected from this Virus.

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