I have Trojan Hores File C:\ Windows\system32\advapi3.dll that is moving to every file i open how can i delete it?
P.s i Unregister it is that ok to do?
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 6:55:43 PM, on 12/9/2007
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)
Boot mode: Normal

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:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PIFSvc.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:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\AOL\ACS\AOLAcsd.exe
C:\Program Files\Common Files\AOL\TopSpeed\2.0\aoltsmon.exe
C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\WINDOWS\system32\crypserv.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Common Files\AOL\1187546937\ee\AOLSoftware.exe
C:\Program Files\Common Files\AOL\ACS\AOLDial.exe
C:\Program Files\Java\j2re1.4.2_15\bin\jusched.exe
C:\Program Files\TrojanHunter 5.0\THGuard.exe
C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
C:\Program Files\America Online 9.0\waol.exe
C:\Program Files\RingCentral\RingCentral Call Controller\RCUI.exe
C:\Program Files\Canon\CAL\CALMAIN.exe
C:\Program Files\RingCentral\RingCentral Call Controller\RCHotKey.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Common Files\Symantec Shared\Security Console\NSCSRVCE.EXE
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\America Online 9.0\shellmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Symantec\LiveUpdate\AUpdate.exe
C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
C:\Program Files\Symantec\LiveUpdate\LuCallbackProxy.exe
C:\Program Files\Symantec\LiveUpdate\LuCallbackProxy.exe
C:\Program Files\Symantec\LiveUpdate\LuCallbackProxy.exe
C:\Documents and Settings\Owner\My Documents\My Music\HiJackThis.exe
C:\Program Files\Symantec\LiveUpdate\LuCallbackProxy.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,SearchAssistant = http://search.bearshare.com/sidebar.html?src=ssb
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://search.bearshare.com/sidebar.html?src=ssb
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\uqjzi.dll/sp.html#29126
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://securityresponse.symantec.com/avcenter/fix_homepage
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://search.bearshare.com/sidebar.html?src=ssb
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = websearch.drsnsrch.com/q.cgi?q=
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
O2 - BHO: (no name) - {00C0618C-1BC9-8D1E-D318-81B8263C4778} - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Acrobat\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {0A0FF6B2-F037-E653-9B2C-9C1544FD844C} - (no file)
O2 - BHO: (no name) - {11897CC4-53D0-91EC-CD00-264D5155B63E} - (no file)
O2 - BHO: (no name) - {1DEC02FB-58EF-D81B-CDBE-C8BBD232D7C4} - (no file)
O2 - BHO: (no name) - {1F3E69FD-6860-5121-9E8D-9B547E4E1698} - (no file)
O2 - BHO: (no name) - {22566EDD-97EA-FDF7-E931-1AC148393435} - (no file)
O2 - BHO: (no name) - {2536C943-1153-AD4C-300A-B4B7FF0DA8BA} - (no file)
O2 - BHO: (no name) - {2761A38B-D828-B1C6-1039-1395C426EDDA} - (no file)
O2 - BHO: (no name) - {283AC120-8D27-BA38-11A3-539427563B6C} - (no file)
O2 - BHO: (no name) - {34594EF1-CE58-7AA1-A505-4C0DA46EDB2B} - (no file)
O2 - BHO: (no name) - {4100B7E5-0B01-D4B4-BB29-432E1538BCDB} - (no file)
O2 - BHO: (no name) - {42B6D2AA-FC71-B406-F3BA-1E0D9D759441} - (no file)
O2 - BHO: (no name) - {43DCBA96-1EB4-0E16-9598-2CC35C216F9B} - (no file)
O2 - BHO: (no name) - {4566CC43-0B31-07E0-141A-12FC7D5FF802} - (no file)
O2 - BHO: (no name) - {4ABF050C-DD0D-52FF-DD7A-B315E8F9B10E} - (no file)
O2 - BHO: (no name) - {4E3E1EA6-CE91-404E-B057-29A2716D5950} - C:\WINDOWS\System32\advapi3.dll
O2 - BHO: (no name) - {513DA178-FE14-7DB1-964D-B86D86FD46C8} - (no file)
O2 - BHO: (no name) - {5169D876-4C97-5087-3456-0DCBB0716BC9} - (no file)
O2 - BHO: (no name) - {52E66C5C-7677-FF3C-13F5-F8EE7DD825AF} - (no file)
O2 - BHO: (no name) - {5310AC70-87FB-EEA2-1742-69CF3EC369E6} - (no file)
O2 - BHO: (no name) - {55B7904C-1DD3-0D6C-AC67-825936A8C5E8} - (no file)
O2 - BHO: (no name) - {57144AA3-0FE9-EE66-80BF-16B036B04F47} - (no file)
O2 - BHO: (no name) - {597C394D-7209-3F39-761D-930B4E37CB86} - (no file)
O2 - BHO: (no name) - {5AB9DD84-DD4A-C2F0-AD27-755897C1F262} - (no file)
O2 - BHO: (no name) - {653C8C5C-FA83-1C97-C8D5-86B2CDCD2786} - (no file)
O2 - BHO: (no name) - {708BF05B-B350-F0FF-A9C3-C17875E896F6} - (no file)
O2 - BHO: (no name) - {80E31FF6-41F4-5147-C396-2F8F7AC6D6ED} - (no file)
O2 - BHO: (no name) - {824CB85E-8849-F5FF-50D8-97E69A69E394} - (no file)
O2 - BHO: (no name) - {85E56198-1317-4AA3-031F-529D9C16FA79} - (no file)
O2 - BHO: (no name) - {8A0E5851-C2F7-543D-41EA-644819A75CFC} - (no file)
O2 - BHO: (no name) - {8F25C446-FCA0-E176-9876-4060D9B1BE10} - (no file)
O2 - BHO: (no name) - {955B6DF6-295B-AD12-F4CD-B405B76306F9} - (no file)
O2 - BHO: (no name) - {976DFA7F-2E21-F47E-C5BB-B6C988EE98A5} - (no file)
O2 - BHO: (no name) - {9E6831BF-99D6-C366-55D9-783927C20928} - (no file)
O2 - BHO: (no name) - {A39532FF-4A6C-D2B8-33EC-0AF5DB34793A} - (no file)
O2 - BHO: NAV Helper - {A8F38D8D-E480-4D52-B7A2-731BB6995FDD} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O2 - BHO: (no name) - {B6C621ED-821B-4311-4EF1-ACA0C115E707} - (no file)
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - (no file)
O2 - BHO: (no name) - {C6819314-0DB4-9E5D-89AB-47AE654BCAD9} - (no file)
O2 - BHO: (no name) - {D8B75631-FC5A-770C-FEB6-B6EE7D86FB2F} - (no file)
O2 - BHO: (no name) - {F49E4405-1B9E-9D79-D2B6-B1B83E92E2ED} - (no file)
O2 - BHO: (no name) - {FD02057F-8DD4-96DD-4618-800A02D21C65} - (no file)
O2 - BHO: (no name) - {FE937706-6A52-A0DA-6536-E5C2A84CE79C} - (no file)
O3 - Toolbar: (no name) - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - (no file)
O3 - Toolbar: Norton AntiVirus - {C4069E3A-68F1-403E-B40E-20066696354B} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [CrazyTalk Serve] rundll32.exe C:\WINDOWS\System32\crazytalk.dll,DllServeMediaFile
O4 - HKLM\..\Run: [systen32.exe] C:\WINDOWS\System32\systen32.exe
O4 - HKLM\..\Run: [Symantec PIF AlertEng] "C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PIFSvc.exe" /a /m "C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\AlertEng.dll"
O4 - HKLM\..\Run: [RCHotKey] "C:\Program Files\RingCentral\RingCentral Call Controller\RCHotKey.exe"
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [HostManager] C:\Program Files\Common Files\AOL\1187546937\ee\AOLSoftware.exe
O4 - HKLM\..\Run: [BearShare] "H:\Program Files\BearShare\BearShare.exe" /pause
O4 - HKLM\..\Run: [AOLDialer] C:\Program Files\Common Files\AOL\ACS\AOLDial.exe
O4 - HKLM\..\Run: [iPodVideoConverter_upgrade] "H:\videos\iPodVideoConverter\iPodVideoConverter.exe" /upgrade
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\j2re1.4.2_15\bin\jusched.exe"
O4 - HKLM\..\Run: [THGuard] "C:\Program Files\TrojanHunter 5.0\THGuard.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [AOL Fast Start] "C:\Program Files\America Online 9.0\AOL.EXE" -b
O4 - .DEFAULT User Startup: AutoPlay.exe (User 'Default user')
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: RingCentral Call Controller.lnk = C:\Program Files\RingCentral\RingCentral Call Controller\RCUI.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\WINDOWS\System32\msjava.dll
O9 - Extra button: MktBrowser - {17A27031-71FC-11d4-815C-005004D0F1FA} - C:\Program Files\MarketBrowser\lmt\MarketBrowser_Launch.xpy
O9 - Extra 'Tools' menuitem: MarketBrowser - {17A27031-71FC-11d4-815C-005004D0F1FA} - C:\Program Files\MarketBrowser\lmt\MarketBrowser_Launch.xpy
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.dll
O9 - Extra button: MoneySide - {E023F504-0C5A-4750-A1E7-A9046DEA8A21} - c:\Program Files\Microsoft Money\System\mnyviewer.dll
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
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O15 - Trusted Zone: *.05p.com
O15 - Trusted Zone: *.scoobidoo.com
O15 - Trusted Zone: *.05p.com (HKLM)
O15 - Trusted Zone: *.scoobidoo.com (HKLM)
O15 - Trusted IP range: 206.161.125.149
O15 - Trusted IP range: 206.161.125.149 (HKLM)
O16 - DPF: Jungle Gin by pogo - http://game1.pogo.com/v/8.1.2.12/applet/gin2/gin2-en_US.cab
O16 - DPF: Yahoo! Gin - http://download2.games.yahoo.com/games/clients/y/nt1_x.cab
O16 - DPF: {05D44720-58E3-49E6-BDF6-D00330E511D3} (StagingUI Object) - http://zone.msn.com/binFrameWork/v10/StagingUI.cab55579.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {1CC506A7-1B8D-11D4-BDD5-0060977007E0} (CrazyTalk Player) - http://plug-in.reallusion.com/CrazyTalk.cab
O16 - DPF: {3BB54395-5982-4788-8AF4-B5388FFDD0D8} (MSN Games – Buddy Invite) - http://zone.msn.com/BinFrameWork/v10/ZBuddy.cab55579.cab
O16 - DPF: {5736C456-EA94-4AAC-BB08-917ABDD035B3} (ZonePAChat Object) - http://zone.msn.com/binframework/v10/ZPAChat.cab55579.cab
O16 - DPF: {7FE26BE2-B923-4B41-9834-E84DA1CC1F96} (Maid Control) - http://vsp.closetmaid.com/vsp/cmaidctl_vsp.closetmaid.com_downloader.cab
O16 - DPF: {A4110378-789B-455F-AE86-3A1BFC402853} (ZPA_SHVL Object) - http://zone.msn.com/bingame/zpagames/zpa_shvl.cab55579.cab
O16 - DPF: {AE6C4705-0F11-4ACB-BDD4-37F138BEF289} (Image Uploader Control) - http://gianteagle.lifepics.com/net/Uploader/LPUploader45.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) - http://cdn2.zone.msn.com/binFramework/v10/ZIntro.cab56649.cab
O16 - DPF: {BFF1950D-B1B4-4AE8-B842-B2CCF06D9A1B} (Zylom Games Player) - http://www.gamehouse.com/games/zylom/zylomplayer.cab
O16 - DPF: {D4323BF2-006A-4440-A2F5-27E3E7AB25F8} (Virtools WebPlayer Class) - http://3dlifeplayer.dl.3dvia.com/player/install/installer.exe
O16 - DPF: {DA2AA6CF-5C7A-4B71-BC3B-C771BB369937} (MSN Games – Game Communicator) - http://zone.msn.com/binframework/v10/StProxy.cab55579.cab
O16 - DPF: {E87F6C8E-16C0-11D3-BEF7-009027438003} (Persits Software XUpload) - http://www.auctiva.com/hostedimages/activex/xupload/XUpload.ocx
O16 - DPF: {EA6246B4-F380-443F-8727-9AEA3371146C} (CPlayFirstWeddingDashControl Object) - http://aolsvc.aol.com/onlinegames/free-trial-wedding-dash/WeddingDash.1.0.0.47.cab
O23 - Service: AOL Connectivity Service (AOL ACS) - America Online - C:\Program Files\Common Files\AOL\ACS\AOLAcsd.exe
O23 - Service: AOL TopSpeed Monitor (AOL TopSpeedMonitor) - America Online, Inc - C:\Program Files\Common Files\AOL\TopSpeed\2.0\aoltsmon.exe
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\System32\drivers\CDAC11BA.EXE
O23 - Service: Canon Camera Access Library 8 (CCALib8) - Canon Inc. - C:\Program Files\Canon\CAL\CALMAIN.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: Crypkey License - Kenonic Controls Ltd. - C:\WINDOWS\SYSTEM32\crypserv.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: LiveUpdate Notice Service - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PIFSvc.exe
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
O23 - Service: Norton Protection Center Service (NSCService) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Console\NSCSRVCE.EXE
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Symantec AVScan (SAVScan) - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: 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

--
End of file - 14586 bytes

Please go here & install ALL critical updates required for your system, including service pack 1a for both XP and IE6.
Most malware is designed to attack unpatched XP systems - exploiting the available 'holes' - and can bypass third-party protection on an unpatched system. The most that can be done with an unpatched system is put a temporary bandage on it. Your system can potentially be reinfected within minutes of cleaning it.
Post back a new hijackthis log after rebooting your system.

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