How do I get rid of a backdoor trojan?

Question

The trojan is backdoor.generic2.YED and it always re-appears in my c drive as b.exe even after removing it with AVG. I have tried heaps of different spyware removers including: Adaware, Spyware doctor, Prev1x, and none seem to work. I have run Hijack this and below is a log of the scan. Thanks for all your suggestions and advice!

Logfile of HijackThis v1.99.1
Scan saved at 08:11:40, on 11/01/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
c:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
c:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
c:\Program Files\Common Files\Symantec Shared\ccProxy.exe
c:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
c:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Google\Gmail Notifier\gnotify.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Prevx1\PXConsole.exe
C:\Program Files\Webroot\Washer\wwDisp.exe
C:\PROGRA~1\SPYWAR~2\swdoctor.exe
C:\Program Files\Windows Media Player\WMPNSCFG.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Documents and Settings\All Users\Start Menu\Programs\Startup\msconfig.exe
C:\WINDOWS\system32\msdtc.exe
C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Common Files\LightScribe\LSSrvc.exe
c:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\Program Files\Common Files\Symantec Shared\Security Console\NSCSRVCE.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Prevx1\PXAgent.exe
C:\Program Files\Spyware Doctor\sdhelp.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\wwSecure.exe
C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
C:\WINDOWS\system32\mqsvc.exe
C:\Program Files\Windows Media Player\WMPNetwk.exe
C:\WINDOWS\system32\mqtgsvc.exe
C:\WINDOWS\system32\wbem\wmiprvse.exe
C:\WINDOWS\System32\alg.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\explorer.exe
C:\Program Files\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iesearch&locale=EN_AU&c=64&bd=pavilion&pf=laptop
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://au.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
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://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=EN_AU&c=64&bd=pavilion&pf=laptop
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Malicious Scripts Scanner - {55EA1964-F5E4-4D6A-B9B2-125B37655FCB} - C:\Documents and Settings\All Users\Application Data\Prevx\pxbho.dll
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~2\tools\iesdsg.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: NAV Helper - {A8F38D8D-E480-4D52-B7A2-731BB6995FDD} - c:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~2\tools\iesdpb.dll
O3 - Toolbar: Norton AntiVirus - {C4069E3A-68F1-403E-B40E-20066696354B} - c:\Program Files\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [{0228e555-4f9c-4e35-a3ec-b109a192b4c2}] C:\Program Files\Google\Gmail Notifier\gnotify.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [hpWirelessAssistant] C:\Program Files\hpq\HP Wireless Assistant\HP Wireless Assistant.exe
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [ccApp] "c:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [PrevxOne] "C:\Program Files\Prevx1\PXConsole.exe"
O4 - HKCU\..\Run: [Window Washer] C:\Program Files\Webroot\Washer\wwDisp.exe
O4 - HKCU\..\Run: [Spyware Doctor] C:\PROGRA~1\SPYWAR~2\swdoctor.exe /Q
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: msconfig.exe
O8 - Extra context menu item: Send To &Bluetooth - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~2\tools\iesdpb.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,-4017 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O11 - Options group: [INTERNATIONAL] International*
O14 - IERESET.INF: START_PAGE_URL=http://ie.redirect.hp.com/svs/rdr?TYPE=3&tp=iehome&locale=EN_AU&c=64&bd=pavilion&pf=laptop
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1168055601375
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: AddFiltr - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\HP Quick Launch Buttons\AddFiltr.exe
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation. - C:\Program Files\WIDCOMM\Bluetooth Software\bin\btwdins.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - c:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Internet Security Password Validation (ccISPwdSvc) - Symantec Corporation - c:\Program Files\Norton Internet Security\ccPwdSvc.exe
O23 - Service: Symantec Network Proxy (ccProxy) - Symantec Corporation - c:\Program Files\Common Files\Symantec Shared\ccProxy.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - c:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: COM+ Messages - Unknown owner - -e,mc-110-12-0000137, (file missing)
O23 - Service: COM Host (comHost) - Symantec Corporation - c:\Program Files\Norton Internet Security\comHost.exe
O23 - Service: hpqwmiex - Hewlett-Packard Development Company, L.P. - C:\Program Files\Hewlett-Packard\Shared\hpqwmiex.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - c:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - c:\Program Files\Norton Internet Security\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton Protection Center Service (NSCService) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Console\NSCSRVCE.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: Prevx Agent (PREVXAgent) - Unknown owner - C:\Program Files\Prevx1\PXAgent.exe" -f (file missing)
O23 - Service: Symantec AVScan (SAVScan) - Symantec Corporation - c:\Program Files\Norton Internet Security\Norton AntiVirus\SAVScan.exe
O23 - Service: PC Tools Spyware Doctor (SDhelper) - PC Tools Research Pty Ltd - C:\Program Files\Spyware Doctor\sdhelp.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - c:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - c:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: Washer Security Access (wwSecSvc) - Webroot Software, Inc. - C:\WINDOWS\system32\wwSecure.exe

Answer 1

I have had great success "curing" infections with the Backdoor Trojan using XoftspySE. They are very quick to address new variants, which this definitely is, so I would at least give their free scan a try to see if it finds the problem. If it does, then you can buy the scanner and it will remove the infection. If it cannot remove it, they will refund your money.



You can download and try XoftspySE here:



http://www.bestspywarereport.com/xoftspy

Answer 2

2

Answer 3

Probably best to boot your computer into safe mode (while booting up hit the F8 key a few times) then re run AVG. Also re-run adaware.



Also find that the online scan at www.trendmicro.com (housecall) is great too though may not work in safe mode.

Answer 4

Go here and download free antivirus and antispyware software:



http://www.helpero.com/Questions-and-answers/Computers/Software/Are-there-any-good-FREE-spyware-programs_291.html



http://www.helpero.com/Questions-and-answers/Computers/Software/Can-you-recommend-me-a-free-antivirus_2568.html



Helpero is a web site that helps every Internet user, from all over the world, solve any computer related problem. You can ask Helpero for free.

Answer 5

Unfortuanatley your gonna might want to purge the hardchronic and your draw close boot list and re-format the hardchronic to remove it, That virus is self-replicating and has spread to different files and could cover once you try to remove it

Answer 6

try this online scan

www.housecall.trendmicro.com

Answer 7

oh my goodness! i thought this was gonna be something sexual.