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Explorer Shuts Down And Restarts Over And Over


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#1 digitmann

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Posted 23 April 2008 - 12:10 AM

Hey folks, great forum you have here. Well, the issue I am having is my explorer shuts down and restarts over and over. I attempted to shut things down via the msconfig however to no avail. Just before the problem started, I got one of those pop-ups telling me I should install some bogus virus protection and I closed it using the X in the corner. Next thing I notice is my command box open. So I reached over and pulled the plug from my computer. (is that normally a bad idea?) When I restarted it, I did so in safe-mode. I did a virus scan which found a trojan. (big surprise) Don't remember the name, but it was in my sys32 files. Deleted and rebooted. Went to my C-drive to see if I could temporarily move norton from the start-up folder and as I clicked on it... the rest is history. I have since Run the ComboFix. This seems to have worked however, 1. what other steps do I need to take to ensure that this menace is gone? And 2. how can I prevent it from happening again? This bleeping computer has been a long head-ache since Dec. when while manually removing a virus my power went out and my computer had to be restored. It still has not fully recovered. (still missing some drivers, and refuse to pay for suggested bios update) Grrr. Just let me know whose fingers I can break for creating this and I will be happy enough. :^( Thanks for your time in advance.

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#2 quietman7

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Posted 23 April 2008 - 09:11 AM

Please note the message text in blue at the top of this forum.

You should not be using Combofix unless instructed to do so by a Malware Removal Expert. It is a powerful tool intended by its creator to be "used under the guidance and supervision of an expert", NOT for private use. Using this tool incorrectly could lead to disastrous problems with your operating system such as preventing it from ever starting again. Please read Combofix's Disclaimer.

Please download Malwarebytes Anti-Malware and save it to your desktop.
alternate download link 1
alternate download link 2
  • Make sure you are connected to the Internet.
  • Double-click on Download_mbam-setup.exe to install the application.
  • When the installation begins, follow the prompts and do not make any changes to default settings.
  • When installation has finished, make sure you leave both of these checked:
    • Update Malwarebytes' Anti-Malware
    • Launch Malwarebytes' Anti-Malware
  • Then click Finish.
MBAM will automatically start and you will be asked to update the program before performing a scan.
  • If an update is found, the program will automatically update itself.
  • Press the OK button to close that box and continue.
  • If you encounter any problems while downloading the updates, manually download them from here and just double-click on mbam-rules.exe to install.
On the Scanner tab:
  • Make sure the "Perform Quick Acan" option is selected.
  • Then click on the Scan button.
  • If asked to select the drives to scan, leave all the drives selected and click on the Start Scan button.
  • The scan will begin and "Scan in progress" will show at the top. It may take some time to complete so please be patient.
  • When the scan is finished, a message box will say "The scan completed successfully. Click 'Show Results' to display all objects found".
  • Click OK to close the message box and continue with the removal process.
Back at the main Scanner screen:
  • Click on the Show Results button to see a list of any malware that was found.
  • Make sure that everything is checked, and click Remove Selected.
  • When removal is completed, a log report will open in Notepad and you may be prompted to restart your computer. (see Note below)
  • The log is automatically saved and can be viewed by clicking the Logs tab in MBAM.
  • Copy and paste the contents of that report in your next reply and exit MBAM.
Note: If MBAM encounters a file that is difficult to remove, you will be presented with 1 of 2 prompts. Click OK to either and let MBAM proceed with the disinfection process. If asked to restart the computer, please do so immediately. Failure to reboot will prevent MBAM from removing all the malware.
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#3 digitmann

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Posted 23 April 2008 - 07:34 PM

Ok, I noted the blue (thanks), and here is the log from Malwarebytes' Anti-Malware. found 2 trojans and 1 trojan downloader. Here is the log from Mbam.
Malwarebytes' Anti-Malware 1.11
Database version: 676

Scan type: Quick Scan
Objects scanned: 33355
Time elapsed: 5 minute(s), 23 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 1
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 1
Files Infected: 1

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\xpre (Trojan.Downloader) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
(No malicious items detected)

Folders Infected:
C:\WINDOWS\system32\xcsDd01 (Trojan.Agent) -> Quarantined and deleted successfully.

Files Infected:
C:\WINDOWS\system32\xcsDd01\xcsDd011065.exe (Trojan.Agent) -> Quarantined and deleted successfully.
Thank you very much!

#4 quietman7

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Posted 24 April 2008 - 07:08 AM

Is Explorer still shutting down and restarting?
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#5 digitmann

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Posted 24 April 2008 - 08:08 PM

No Sir. Not since I used the ComboFix. (Post 1.) However, I likely would have encountered some issues later since the program you suggested did in fact find 3 infections which were not detected by Avast. Thank you very very much for that. This is yet another example of why you are the mvp of the "MVP"! Aka BD = Bomb-Diggity! :thumbsup:

#6 quietman7

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Posted 25 April 2008 - 06:38 AM

If there are no more problems or signs of infection, you should Create a New Restore Point to prevent possible reinfection from an old one. Some of the malware you picked up could have been saved in System Restore. Since this is a protected directory your tools cannot access to delete these files, they sometimes can reinfect your system if you accidentally use an old restore point. Setting a new restore point AFTER cleaning your system will help prevent this and enable your computer to "roll-back" to a clean working state.

The easiest and safest way to do this is:
  • Go to Start > Programs > Accessories > System Tools and click "System Restore".
  • Choose the radio button marked "Create a Restore Point" on the first screen then click "Next". Give the R.P. a name, then click "Create". The new point will be stamped with the current date and time. Keep a log of this so you can find it easily should you need to use System Restore.
  • Then use Disk Cleanup to remove all but the most recently created Restore Point.
  • Go to Start > Run and type: Cleanmgr
  • Click "Ok".
  • Click the "More Options" Tab.
  • Click "Clean Up" in the System Restore section to remove all previous restore points except the newly created one.
Vista Users can refer to these links: Create a New Restore Point and Disk Cleanup.

To protect yourself against malware and reduce the potential for re-infection, be sure to read:
"Simple and easy ways to keep your computer safe".
"How did I get infected?, With steps so it does not happen again!".
"Best Practices - Internet Safety for 2008".
"Hardening Windows Security - Part 1 & Part 2".
"IE Recommended Minimal Security Settings".
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#7 digitmann

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Posted 25 April 2008 - 10:24 AM

Actually when this all began I discovered that the bug had removed all of my previous restore points. Either combo or Malwarebytes created a new one when I activated it, so I think we are good. I will read the "To protect yourself" now. Thanks again.

#8 quietman7

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Posted 25 April 2008 - 10:38 AM

You're welcome. :thumbsup:
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