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johnny lectro

C:\WINDOWS\System32\winbjoi.dll Backdoor Trojan

6 posts in this topic

Norton Anti-Virus has found this after months of me grappling with a hijacked browser.


Please help me to get rid of this nasty piece of malware


Here is my Hijack this log:[/


Logfile of HijackThis v1.98.0

Scan saved at 14:02:40, on 26/07/2004

Platform: Windows XP SP1 (WinNT 5.01.2600)

MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)


Running processes:












C:\Program Files\Norton AntiVirus\navapsvc.exe







C:\Program Files\Lexmark X74-X75\lxbbbmgr.exe

C:\Program Files\DSB\DSB.exe

C:\Program Files\Common Files\Real\Update_OB\realsched.exe

C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkCalRem.exe

C:\Program Files\Lexmark X74-X75\lxbbbmon.exe

C:\Documents and Settings\John\My Documents\Downloads\HijackThis.exe


R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.wanadoo.co.uk/

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer provided by Wanadoo

F2 - REG:system.ini: Shell=explorer.exe C:\WINDOWS\System32\netde.exe

F2 - REG:system.ini: UserInit=C:\Windows\System32\wsaupdater.exe,

O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx

O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll

O2 - BHO: (no name) - {82712967-5400-4AD8-AEA2-0D042A700018} - C:\WINDOWS\System32\gpe.dll (file missing)

O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll

O2 - BHO: CNavExtBho Class - {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

O3 - Toolbar: (no name) - {46AE04C0-BCFA-4728-90E7-00EB4A8B3863} - (no file)

O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx

O3 - Toolbar: Wanadoo - {8B68564D-53FD-4293-B80C-993A9F3988EE} - C:\PROGRA~1\Wanadoo\WSBar\WSBar.dll (file missing)

O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll

O4 - HKLM\..\Run: [igfxTray] C:\WINDOWS\System32\igfxtray.exe

O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe

O4 - HKLM\..\Run: [DVDSentry] C:\WINDOWS\System32\DSentry.exe

O4 - HKLM\..\Run: [NAV Agent] C:\PROGRA~1\NORTON~1\navapw32.exe

O4 - HKLM\..\Run: [MSStartOptimizer] C:\WINDOWS\System32\SCVHOST.EXE

O4 - HKLM\..\Run: [RegCompres] C:\WINDOWS\System32\REGCPM32.EXE


O4 - HKLM\..\Run: [xload32] C:\WINDOWS\System32\netdd.exe

O4 - HKLM\..\Run: [Lexmark X74-X75] "C:\Program Files\Lexmark X74-X75\lxbbbmgr.exe"

O4 - HKLM\..\Run: [DSB] C:\Program Files\DSB\DSB.exe

O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot

O4 - HKCU\..\Run: [symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe

O4 - HKCU\..\Run: [LDM] \Program\BackWeb-8876480.exe

O4 - Startup: WKCALREM.LNK = C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkCalRem.exe

O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Restrictions present

O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present

O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html

O8 - Extra context menu item: &WordWeb... - res://C:\WINDOWS\wweb32.dll/lookup.html

O8 - Extra context menu item: Backward &Links - res://c:\program files\google\GoogleToolbar1.dll/cmbacklinks.html

O8 - Extra context menu item: Cac&hed Snapshot of Page - res://c:\program files\google\GoogleToolbar1.dll/cmcache.html

O8 - Extra context menu item: Search with Wanadoo - res://C:\PROGRA~1\Wanadoo\WSBar\WSBar.dll/VSearch.htm

O8 - Extra context menu item: Si&milar Pages - res://c:\program files\google\GoogleToolbar1.dll/cmsimilar.html

O8 - Extra context menu item: Translate into English - res://c:\program files\google\GoogleToolbar1.dll/cmtrans.html

O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll

O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE

O9 - Extra 'Tools' menuitem: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE

O12 - Plugin for .mov: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin.dll

O12 - Plugin for .mp3: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin3.dll

O12 - Plugin for ¸æ : C:\Program Files\Internet Explorer\PLUGINS\npqtplugin4.dll

O14 - IERESET.INF: START_PAGE_URL=http://www.wanadoo.co.uk/

O16 - DPF: {26CBF141-7D0F-46E1-AA06-718958B6E4D2} - http://download.ebay.com/turbo_lister/UK/install.cab

O16 - DPF: {41F17733-B041-4099-A042-B518BB6A408C} - http://a1540.g.akamai.net/7/1540/52/200305...meInstaller.exe

O16 - DPF: {6B4788E2-BAE8-11D2-A1B4-00400512739B} (PWMediaSendControl Class) -

O16 - DPF: {F58E1CEF-A068-4C15-BA5E-587CAF3EE8C6} (MSN Chat Control 4.5) - http://fdl.msn.com/public/chat/msnchat45.cab

O18 - Filter: text/html - {5F73F9DB-A457-4328-BA34-40CD1F0E9325} - C:\WINDOWS\System32\gpe.dll

O18 - Filter: text/plain - {5F73F9DB-A457-4328-BA34-40CD1F0E9325} - C:\WINDOWS\System32\gpe.dll

O20 - AppInit_DLLs: C:\WINDOWS\System32\winbjoi.dll



Thanks for any help you can give me



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Hi mate. I'm relatively new to all this but I noticed your log has a similar entry to mine. See the thread here. http://forums.spywareinfo.com/index.php?sh...t=0entry69054


I'm going through both HJT logs to (hopefully) eliminate safe entries.


I did find that DSB.exe is listed as Adware by Symantec. Removal instructions available here.




I'll keep you posted if I find anything else. Cheers.

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Great to hear from someone with a similar problem John, any help is greatly appreciated.


Will have a go at removing DSB.exe as you have suggested.


What i thought was strange was the fact that HJT found the file with the virus C:\WINDOWS\System32\winbjoi.dll but would'nt allow me to remove it. :scratchhead:


Anyway, if you have any success please let me know,


Hope to hear again soon :whistle:

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WOW!! :D


I think it has gone, I followed the procedures to the letter, then when I re-booted a Norton box popped up with a different Trojan found.


However, after trying the same removal process again I couldnt get past the point where i had to find the file in the Windows directory, it simply was not there. I then re-booted the system and no virus box came up. I scanned the hard drive with Norton, it picked up the original 'winbjoi.dll' trojan but this time quarantined and removed it.


After that the system was running fine, no about:blank, pop-ups or viruses found by Norton. The only thing that still didnt work properly was that the other user account (my girlfriends) on my Dell PC crashes upon opening up, to remedy this I have created a third account which she will now have to use instead. Also, Yahoo companion (which always used to bring up the about:blank page when activated) can still not be removed from the programs.


Still, the trojan certainly looks like it has gone for now


Many thanks for your help Johnjb



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