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Windows Explorer crashes at startup


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#1 LePork

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Posted 15 March 2011 - 10:51 AM

EDIT: Update. I did not mention that my laptop can dual boot to Vista and XP. I tried using my XP partition to check if it still works. And it does. I ran a scan of the Vista partition on XP and well, I'm stumped. My explorer.exe is infected with a TR/Trash.Gen trojan. Earlier scans while on Vista did not show this, so I'm really stumped.

I'd quarantine my explorer.exe as per Avira's instructions, but I don't know what'll happen afterwards. So before I do anything stupid, I need advice.

Thanks.

The full system scan has finished, and the infected explorer.exe is found in the winsxs folder.
Attached below is a screenshot.



Thanks to the mod who moved this to the right subforum. :]

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


I have posted this problem (http://www.bleepingcomputer.com/forums/topic385152.html) in the Vista subforum, and Allan has told me to redirect my post here on the Am I Infected subforum.

After letting my younger siblings use my laptop for a few hours, I came back to see that right after I log in on my user account, I immediately get the message that Windows Explorer has stopped working. The error message only gave me two options, one was to let Windows find a solution online and close Windows Explorer, and the second one was to just close it. No restart option. I tried using Task Manager to restart it but I keep getting the same error message.

Some programs work fine (like Firefox) even if I have opened them using Task Manager, like what I am doing now. Fearing that a virus may have caused this, I tried running Malwarebytes, but nothing came up.

I tried Googling the problem. I've tried various solutions to no avail. My system apparently doesn't have a restore point, so System Restore would be useless. Weird thing is, CMD is telling me that I should be an admin to run /sfc scannow, even though the account I am using is an admin account.

I've tried almost every solution I came across online, but nothing worked.

I am currently running a TrendMicro Housecall. Will edit this post as soon as the scan is finished.

EDIT: The TrendMicro Housecall reports that no threats are found. Mother of pie... X___X

Here is my HJT log:

I...think my scan is clean. But I'm no expert, so I really need help on this.

Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 10:50:43 PM, on 3/15/2011
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v7.00 (7.00.6002.18005)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Program Files\Dell\DellDock\DellDock.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Mozilla Firefox\plugin-container.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe
C:\Users\GHESSI~1\AppData\Local\Temp\HouseCall\housecall.bin
C:\Windows\system32\rstrui.exe
C:\Windows\system32\cmd.exe
C:\Windows\System32\rundll32.exe
C:\Users\Ghessica2011\Desktop\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Increase performance and video formats for your HTML5 <video> - {326E768D-4182-46FD-9C16-1449A49795F4} - C:\Program Files\DivX\DivX Plus Web Player\npdivx32.dll
O2 - BHO: Use the DivX Plus Web Player to watch web videos with less interruptions and smoother playback on supported sites - {593DDEC6-7468-4cdd-90E1-42DADAA222E9} - C:\Program Files\DivX\DivX Plus Web Player\npdivx32.dll
O2 - BHO: Groove GFS Browser Helper - {72853161-30C5-4D22-B7F9-0BBC1D38A37E} - C:\Program Files\Microsoft Office\Office12\GrooveShellExtensions.dll
O2 - BHO: Java™ Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [GrooveMonitor] "C:\Program Files\Microsoft Office\Office12\GrooveMonitor.exe"
O4 - HKLM\..\Run: [USB Antivirus] C:\Program Files\USB Disk Security\USBGuard.exe
O4 - HKLM\..\Run: [DpAgent] C:\Program Files\DigitalPersona\Bin\dpagent.exe
O4 - HKLM\..\Run: [WinPatrol] C:\Program Files\BillP Studios\WinPatrol\winpatrol.exe -expressboot
O4 - HKLM\..\Run: [PCMService] "C:\Program Files\Dell\MediaDirect\PCMService.exe"
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [Apoint] C:\Program Files\DellTPad\Apoint.exe
O4 - HKLM\..\Run: [Malwarebytes' Anti-Malware (reboot)] "C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe" /runcleanupscript
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [ISUSPM] "C:\ProgramData\Macrovision\FLEXnet Connect\6\ISUSPM.exe" -scheduler
O4 - HKCU\..\Run: [Simple Sticky Notes] C:\Program Files\Simnet\Simple Sticky Notes\ssn.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'NETWORK SERVICE')
O4 - Startup: Adobe Gamma.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Startup: Dell Dock.lnk = C:\Program Files\Dell\DellDock\DellDock.exe
O4 - Global Startup: Bluetooth.lnk = ?
O4 - Global Startup: QuickSet.lnk = C:\Program Files\Dell\QuickSet\quickset.exe
O8 - Extra context menu item: Add to Google Photos Screensa&ver - res://C:\Windows\system32\GPhotos.scr/200
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Send image to &Bluetooth Device... - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
O8 - Extra context menu item: Send page to &Bluetooth Device... - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra button: Send to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: S&end to OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: @btrez.dll,-4015 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra 'Tools' menuitem: @btrez.dll,-12650 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O18 - Protocol: grooveLocalGWS - {88FED34C-F0CA-4636-A375-3CB6248B04CD} - C:\Program Files\Microsoft Office\Office12\GrooveSystemServices.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\Windows\system32\browseui.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: AuthenTec Fingerprint Service (ATService) - AuthenTec, Inc. - C:\Program Files\Fingerprint Sensor\AtService.exe
O23 - Service: Autorun CDROM Monitor - Unknown owner - C:\Windows\system32\SupportAppXL\cdrom_mon.exe
O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation. - C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
O23 - Service: Dock Login Service (DockLoginService) - Stardock Corporation - C:\Program Files\Dell\DellDock\DockLogin.exe
O23 - Service: @C:\Program Files\DigitalPersona\Bin\DpHostW.exe,-128 (DpHost) - DigitalPersona, Inc. - C:\Program Files\DigitalPersona\Bin\DpHostW.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe

--
End of file - 7308 bytes


If it would help, here's what came with the error message when Explorer crashed.

Problem signature:
Problem Event Name: APPCRASH
Application Name: Explorer.EXE
Application Version: 6.0.6002.18005
Application Timestamp: 49e00037
Fault Module Name: Explorer.EXE
Fault Module Version: 6.0.6002.18005
Fault Module Timestamp: 49e00037
Exception Code: c0000005
Exception Offset: 0004033f
OS Version: 6.0.6002.2.2.0.768.3
Locale ID: 1033
Additional Information 1: 05b1
Additional Information 2: e89aff0e855cdbf3a6a1a3affb7fb2fb
Additional Information 3: 54f0
Additional Information 4: 741926efba3247a20652bbe19c98dabd

Read our privacy statement:
http://go.microsoft.com/fwlink/?linkid=50163&clcid=0x0409

EDIT: Moved from Am I Infected to Malware Removal Logs ~ Hamluis.

Attached Files


Edited by hamluis, 15 March 2011 - 02:14 PM.
Mod Edit: Moved to MRL From AII - AA


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#2 SweetTech

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Posted 20 March 2011 - 09:36 AM

Hello and welcome to the forums!

My secret agent name on the forums is SweetTech (you can call me ST for short), it's a pleasure to meet you. :)

I am very sorry for the delay in responding, but as you can see we are at the moment being flooded with logs which, when paired with the never-ending shortage of helpers, resulted in the delayed responding to your thread.

I would be glad to take a look at your log and help you with solving any malware problems.

If you have since resolved the issues you were originally experiencing, or have received help elsewhere, please inform me so that this topic can be closed.

If you have not, please adhere to the guidelines below and then follow instructions as outlined further below:

  • Logs from malware removal programs (OTL is one of them) can take some time to analyze. I need you to be patient while I analyze any logs you post. Please remember, I am a volunteer, and I do have a life outside of these forums.
  • Please make sure to carefully read any instruction that I give you. Attention to detail is important! Since I cannot see or directly interact with your computer I am dependent on you to "be my eyes" and provide as much information as you can regarding the current state of your computer.
  • If you're not sure, or if something unexpected happens, do NOT continue! Stop and ask!
  • In Windows Vista and Windows 7, all tools need to be started by right clicking and selecting Run as Administrator!
  • Do not do things I do not ask for, such as running a spyware scan on your computer. The one thing that you should always do, is to make sure sure that your anti-virus definitions are up-to-date!
  • Please do not use the Attachment feature for any log file. Do a Copy/Paste of the entire contents of the log file and submit it inside your post.
  • I am going to stick with you until ALL malware is gone from your system. I would appreciate it if you would do the same. From this point, we're in this together ;)
    Because of this, you must reply within three days
    failure to reply will result in the topic being closed!
  • Please do not PM me directly for help. If you have any questions, post them in this topic.
  • Lastly, I am no magician. I will try very hard to fix your issues, but no promises can be made. Also be aware that some infections are so severe that you might need to resort to reformatting and reinstalling your operating system.
    Don't worry, this only happens in severe cases, but it sadly does happen. Be prepared to back up your data. Have means of backing up your data available.

____________________________________________________

Rootkit UnHooker (RkU)
Please download Rootkit Unhooker from one of the following links and save it to your desktop.
Link 1 (.exe file)
Link 2 (zipped file)
Link 3 (.rar file)In order to use this tool if you downloaded from either of the second two links, you will need to extract the RKUnhookerLE.exe file using a program capable of extracing ZIP and RAR compressed files. If you don't have an extraction program, you can downlaod, install and use the free 7-zip utility.

  • Double-click on RKUnhookerLE.exe to start the program.
    Vista/Windows 7 users right-click and select Run As Administrator.
  • Click the Report tab, then click Scan.
  • Check Drivers, Stealth, and uncheck the rest.
  • Click OK.
  • Wait until it's finished and then go to File > Save Report.
  • Save the report to your Desktop.
  • Copy and paste the contents of the report into your next reply.
-- Note: You may get this warning...just ignore it, click OK and continue: "Rootkit Unhooker has detected a parasite inside itself! It is recommended to remove parasite, okay?".



NEXT:



Running OTL

We need to create an OTL Report
  • Please download OTL from one of the following mirrors:
  • Save it to your desktop.
  • Double click on the Posted Image icon on your desktop.
  • Click the "Scan All Users" checkbox.
  • Push the Posted Image button.
  • Two reports will open, copy and paste them in a reply here:
    • OTL.txt <-- Will be opened
    • Extra.txt <-- Will be minimized


NEXT:


Please provide an update on how things are running in your next reply.

Have I helped you? If you'd like to assist in the fight against malware, click here Posted Image


The instructions seen in this post have been specifically tailored to this user and the issues they are experiencing with their computer. If you think you have a similar problem, please first read this topic, and then begin your own, new thread. I do not offer private support via Private Message.


#3 SweetTech

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Posted 23 March 2011 - 11:03 AM

Due to the lack of feedback, this topic is now closed.In the event you still have problems, please send me or any Moderator a Private Message and ask them to reopen this topic within the next 5 days.

Have I helped you? If you'd like to assist in the fight against malware, click here Posted Image


The instructions seen in this post have been specifically tailored to this user and the issues they are experiencing with their computer. If you think you have a similar problem, please first read this topic, and then begin your own, new thread. I do not offer private support via Private Message.





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