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trying to get rid of wvurq.dll BHO [RESOLVED]


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#1
spl14411

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Am trying to clean a machine with a nasty trojan. Symantec AV reports a file wvurq.dll contains Trojan.Vundo.B but cannot repair it nor quarantine it because the file is in use. I have concluded that the file is tied to Winlogon. That process uses the most memory while the file is on the system. I have managed to delete that particular file, after running various programs. However, my hijackthis log is still trying to load it. I tried deleting the entry with hijackthis but it keeps coming back. I am not connected to the internet, since the file gets back on when i do. I have tried symantec's trojan.vundo.b fixer, but it says it's not on the system. I was able to download and run a different cleaner, which has allowed me to delete the file. But again, the system keeps trying to load it. Here is my hijackthis log.

Logfile of HijackThis v1.99.1
Scan saved at 11:10:16 PM, on 10/24/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\Explorer.EXE
C:\Documents and Settings\Brock\My Documents\HijackThis\HijackThis.exe

O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\Program Files\AIM\aim.exe
O20 - Winlogon Notify: wvurq - C:\WINDOWS\system32\wvurq.dll (file missing)
O23 - Service: iPod Service (iPodService) - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs Inc. - C:\WINDOWS\system32\ZoneLabs\vsmon.exe


Thank you for your help. I am looking for all the other files associated with this nasty bug.

Stephen
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#2
Crustyoldbloke

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Hello Stephen

Winlogon is still looking for the file which you deleted, hence the message. Just a small adjustment is necessary.

Rescan with HijackThis. Close all programmes leaving only HijackThis running. Place a checkmark or tick against the following:

O20 - Winlogon Notify: wvurq - C:\WINDOWS\system32\wvurq.dll (file missing)

Click on Fix Checked when finished and exit HijackThis.

Fixed?
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#3
spl14411

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I have tried that, "many" times. It was tied into Winlogon. I finally got rid of it using a program called TrojanHunter. System is fixed now. Thanks.
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#4
Crustyoldbloke

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Since this issue appears to be resolved ... this Topic has been closed. Glad we could help. :tazz:

If you're the topic starter, and need this topic reopened, please contact a staff member with the address of the thread.

Everyone else please begin a New Topic.
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