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Explorer does not load on logon and Loss of internet connection


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9 replies to this topic

#1 wjchen

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Posted 18 March 2009 - 09:19 AM

Hi! I'm currently using windows XP, service pack 3. My windows explorer does not load on logon and my internet connection is disabled. Under "Network connection" which used to contain my modem is now totally blank with nothing and there's no internet connection to my pc. Can anyone tell me what to do? Thanks in advance!

wj

Edited by wjchen, 18 March 2009 - 09:22 AM.


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#2 garmanma

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Posted 18 March 2009 - 07:38 PM

When you logon, open Task Manger and choose Start a New Task. Type "explorer.exe" You should get your Desktop back and hopefully your connection.
If that won't do it, try Safe mode w/networking. If that doesn't work, download these applications to a thumb drive or burn to a CD
----------------------

The process of cleaning your computer may require you to temporarily disable some security programs. If you are using SpyBot Search and Destroy, please refer to Note 2 at the bottom of this page.

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 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 Scan" 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.
  • 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 may be asked to reboot your computer so it can proceed with the disinfection process. Regardless if prompted to restart the computer or not, please do so immediately. Failure to reboot normally (not into safe mode) will prevent MBAM from removing all the malware.

Note 2:
-- MBAM may make changes to your registry as part of its disinfection routine. If you're using other security programs that detect registry changes (like Spybot's Teatimer), they may interfere with the fix or alert you after scanning with MBAM. Please disable such programs until disinfection is complete or permit them to allow the changes. To disable these programs, please view this topic: How To Temporarily Disable Your Anti-virus, Firewall And Anti-malware Programs

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

If mbam won't install

Some types of malware will disable MBAM and other security tools. If MBAM will not install, try renaming it. Right-click on the mbam-setup.exe file and change the .exe extension to .bat, .com, .pif, or .scr and then double-click on it to run.

If after installation, MBAM will not run, open the Malwarebytes' Anti-Malware folder in Program Files, right-click on mbam.exe and change the .exe as noted above. Then double-click on it to run.
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#3 wjchen

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Posted 19 March 2009 - 09:35 AM

Hey thanks! I've restarted my explorer with Task Manager but the internet connection doesn't come back on. I've tranferred MBAM into my desktop from my laptop which i'm using now but i can't update it's definition since i do not have internet connection to the desktop. Do you need a scan log to the desktop? And what do I do now? Thanks!

#4 quietman7

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Posted 19 March 2009 - 11:30 AM

Since you cannot use the Internet, manually download the definition updates from another computer, save them to a flash (usb, pen, thumb, jump) drive or CD and transfer to the infected machine. Then just double-click on mbam-rules.exe to install the update. If you cannot transfer or install from the infected machine, try installing the file directly from the flash drive to your machine.Mbam-rules.exe is not updated daily. Another way to get the most current database definitions is to install MBAM on a clean computer, launch the program, update through MBAM's interface, copy the definitions (rules.ref) to a USB stick or CD and transfer that file to the infected machine. Copy rules.ref to the location indicated for your operating system.
  • XP: C:\Documents and Settings\All Users\Application Data\Malwarebytes\Malwarebytes' Anti-Malware
  • Vista: C:\Documents and Settings\Users\All Users\Malwarebytes\Malwarebytes' Anti-Malware
If you cannot see the folder, then you may have to Reconfigure Windows to show it. Then perform a new Quick Scan in normal mode and make sure you reboot afterwards. When done, click the Logs tab and copy/paste the contents of the new report in your next reply.
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#5 wjchen

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Posted 19 March 2009 - 09:46 PM

Hey thanks! The log is here.

Malwarebytes' Anti-Malware 1.34
Database version: 1863
Windows 5.1.2600 Service Pack 3

20/03/2009 10:36:39
mbam-log-2009-03-20 (10-36-39).txt

Scan type: Quick Scan
Objects scanned: 92459
Time elapsed: 29 minute(s), 30 second(s)

Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 1
Registry Values Infected: 0
Registry Data Items Infected: 2
Folders Infected: 0
Files Infected: 2

Memory Processes Infected:
(No malicious items detected)

Memory Modules Infected:
(No malicious items detected)

Registry Keys Infected:
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\defaultlib (Spyware.Passwords) -> Quarantined and deleted successfully.

Registry Values Infected:
(No malicious items detected)

Registry Data Items Infected:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\AntiVirusDisableNotify (Disabled.SecurityCenter) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Security Center\FirewallDisableNotify (Disabled.SecurityCenter) -> Bad: (1) Good: (0) -> Quarantined and deleted successfully.

Folders Infected:
(No malicious items detected)

Files Infected:
C:\WINDOWS\system32\FInstall.sys (Backdoor.Bot) -> Quarantined and deleted successfully.
C:\WINDOWS\system32\tpszxyd.sys (Backdoor.Bot) -> Quarantined and deleted successfully.

But even after the scan and reboot, my explorer doesn't load up automatically. Before responding to the task manager command, the computer appears to hang for a while after log in. After explorer loads up, there's this Symantec Email Proxy that tells me TCP/IP is not installed. Internet connection is not recovered. What's next?

#6 quietman7

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Posted 20 March 2009 - 07:03 AM

Please download ATF Cleaner by Atribune & save it to your desktop. DO NOT use yet.
alternate download link

Please download and install SUPERAntiSpyware Free
  • Double-click SUPERAntiSypware.exe and use the default settings for installation.
  • An icon will be created on your desktop. Double-click that icon to launch the program.
  • If asked to update the program definitions, click "Yes". If not, update the definitions before scanning by selecting "Check for Updates". (If you encounter any problems while downloading the updates, manually download them from here. Double-click on the hyperlink for Download Installer and save SASDEFINITIONS.EXE to your desktop. Then double-click on SASDEFINITIONS.EXE to install the definitions.)
  • In the Main Menu, click the Preferences... button.
  • Click the "General and Startup" tab, and under Start-up Options, make sure "Start SUPERAntiSpyware when Windows starts" box is unchecked.
  • Click the "Scanning Control" tab, and under Scanner Options, make sure the following are checked (leave all others unchecked):
    • Close browsers before scanning.
    • Scan for tracking cookies.
    • Terminate memory threats before quarantining.
  • Click the "Close" button to leave the control center screen and exit the program.
  • Do not run a scan just yet.
Reboot your computer in "Safe Mode" using the F8 method. To do this, restart your computer and after hearing your computer beep once during startup (but before the Windows icon appears) press the F8 key repeatedly. A menu will appear with several options. Use the arrow keys to navigate and select the option to run Windows in "Safe Mode".

Double-click ATF-Cleaner.exe to run the program.
  • Under Main "Select Files to Delete" choose: Select All.
  • Click the Empty Selected button.
  • If you use Firefox browser click Firefox at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • If you use Opera browser click Opera at the top and choose: Select All
  • Click the Empty Selected button.
    If you would like to keep your saved passwords, please click No at the prompt.
  • Click Exit on the Main menu to close the program.
Note: On Vista, "Windows Temp" is disabled. To empty "Windows Temp" ATF-Cleaner must be "Run as an Administrator".

Scan with SUPERAntiSpyware as follows:
  • Launch the program and back on the main screen, under "Scan for Harmful Software" click Scan your computer.
  • On the left, make sure you check C:\Fixed Drive.
  • On the right, under "Complete Scan", choose Perform Complete Scan and click "Next".
  • After the scan is complete, a Scan Summary box will appear with potentially harmful items that were detected. Click "OK".
  • Make sure everything has a checkmark next to it and click "Next".
  • A notification will appear that "Quarantine and Removal is Complete". Click "OK" and then click the "Finish" button to return to the main menu.
  • If asked if you want to reboot, click "Yes" and reboot normally.
  • To retrieve the removal information after reboot, launch SUPERAntispyware again.
    • Click Preferences, then click the Statistics/Logs tab.
    • Under Scanner Logs, double-click SUPERAntiSpyware Scan Log.
    • If there are several logs, click the current dated log and press View log. A text file will open in your default text editor.
    • Please copy and paste the Scan Log results in your next reply.
  • Click Close to exit the program.
If you cannot boot into safe mode, then perform your scans in normal mode.

Checking to see if your computer has TCP/IP installed.
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#7 wjchen

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Posted 20 March 2009 - 08:46 PM

Here's the log. But the same problems are still persisting.

SUPERAntiSpyware Scan Log
http://www.superantispyware.com

Generated 03/21/2009 at 07:15 AM

Application Version : 4.25.1014

Core Rules Database Version : 3804
Trace Rules Database Version: 1759

Scan type : Complete Scan
Total Scan Time : 07:28:53

Memory items scanned : 235
Memory threats detected : 0
Registry items scanned : 6561
Registry threats detected : 0
File items scanned : 157322
File threats detected : 5

Trojan.Agent/Gen-PolyFake
C:\SYSTEM VOLUME INFORMATION\_RESTORE{FB0B7E35-1791-4838-8FCB-12BD2312AC3E}\RP1\A0000017.DLL

Adware.Vundo/Variant-2009
C:\WINDOWS\SYSTEM32\20093520.DLL

Adware.Tracking Cookie
C:\WINDOWS\system32\config\systemprofile\Cookies\system@atdmt[2].txt
C:\WINDOWS\system32\config\systemprofile\Cookies\system@msnaccountservices.112.2o7[1].txt

Adware.Vundo/Variant-UX
C:\WINDOWS\SYSTEM32\U111862545.DLL

#8 quietman7

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Posted 20 March 2009 - 10:11 PM

Some infections are difficult to remove completely because of their morphing characteristics which allows the malware to regenerate itself. Sometimes there is hidden piece of malware which has not been detected by your security tools that protects malicious files and registry keys (which have been detected) so they cannot be permanently deleted. Disinfection will probably require the use of more powerful tools than we recommend in this forum. Before that can be done you will need you to create and post a DDS/HijackThis log for further investigation.

Please read the pinned topic titled "Preparation Guide For Use Before Posting A Hijackthis Log". If you cannot complete a step, then skip it and continue with the next. In Step 6 there are instructions for downloading and running DDS which will create a Pseudo HJT Report as part of its log.

When you have done that, post your log in the HijackThis Logs and Malware Removal forum, NOT here, for assistance by the HJT Team Experts. A member of the Team will walk you through, step by step, on how to clean your computer. If you post your log back in this thread, the response from the HJT Team will be delayed because your post will have to be moved. This means it will fall in line behind any others posted that same day.

Start a new topic, give it a relevant title and post your log along with a brief description of your problem, a summary of any anti-malware tools you have used and a summary of any steps that you have performed on your own. An expert will analyze your log and reply with instructions advising you what to fix. After doing this, we would appreciate if you post a link to your log back here so we know that your getting help from the HJT Team.

Please be patient. It may take a while to get a response because the HJT Team members are very 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 "bump" your post or 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.
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#9 wjchen

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Posted 20 March 2009 - 10:47 PM

Hey guys! Thanks a lot for your help so far. Really appreciate it! (:

#10 quietman7

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Posted 21 March 2009 - 07:47 AM

Your DDS/HijackThis log is posted here.

After posting a log, 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 continue to ask for help elsewhere. Doing so can result in system changes which may not show it the log you already posted. Further, any modifications you make on your own may cause confusion for the member 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 very 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 "bump" your post or 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.

To avoid confusion, I am closing this topic until you are cleared by the HJT Team. If you still need assistance after your log has been reviewed and you have been cleared, please PM me or another moderator and we will re-open this topic.

Good luck with your log.
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