Virus fake win32 AV-OP

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j'ai un pb avec ce virus.ci joint rapport de scan hijackthis.
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 08:08:06, on 19/08/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Unable to get Internet Explorer version!
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:\WINDOWS\Explorer.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\msa.exe
C:\WINDOWS\system32\taskswitch.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\documents and settings\administrateur\local settings\application data\ugauaww.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\mmc.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\DfrgNtfs.exe
C:\Documents and Settings\Administrateur\Bureau\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = https://internetsearchservice.com/
R1 - HKLM\Software\Microsoft\Internet Explorer,SearchURL = https://internetsearchservice.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://internetsearchservice.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.bing.com/spresults.aspx
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?fdr=lc&toHttps=1&redig=FA6AD360E0BE4C719380F8C470A3D3A8
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://gamespace.daemon-tools.cc/fra/home
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://fr.yahoo.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://internetsearchservice.com/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://internetsearchservice.com/ie6.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://internetsearchservice.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.trooner.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = https://internetsearchservice.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.bing.com/spresults.aspx
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: DefaultSearchHook Class - {C94E154B-1459-4A47-966B-4B843BEFC7DB} - C:\Program Files\AskSearch\bin\DefaultSearch.dll (file missing)
O2 - BHO: AskBar BHO - {201f27d4-3704-41d6-89c1-aa35e39143ed} - C:\Program Files\AskBarDis\bar\bin\askBar.dll (file missing)
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {7C109800-A5D5-438F-9640-18D17E168B88} - C:\Program Files\NetProject\sbmdl.dll (file missing)
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: Foxit Toolbar - {3041d03e-fd4b-44e0-b742-2d9b88305f98} - C:\Program Files\AskBarDis\bar\bin\askBar.dll (file missing)
O4 - HKLM\..\Run: [CoolSwitch] C:\WINDOWS\system32\taskswitch.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [twgumx] c:\windows\system32\twgumx.exe twgumx
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [SMrhc944j0ec33] C:\Program Files\rhc944j0ec33\rhc944j0ec33.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\RunOnce: [WIAWizardMenu] RUNDLL32.EXE C:\WINDOWS\system32\sti_ci.dll,WiaCreateWizardMenu
O4 - HKCU\..\Run: [Skype] "C:\Program Files\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [uTorrent] "C:\Program Files\uTorrent\uTorrent.exe"
O4 - HKCU\..\Run: [DAEMON Tools Lite] "C:\Program Files\DAEMON Tools Lite\daemon.exe" -autorun
O4 - HKCU\..\Run: [ugauaww] "c:\documents and settings\administrateur\local settings\application data\ugauaww.exe" ugauaww
O4 - HKCU\..\Run: [Monopod] C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\b.exe
O4 - HKCU\..\Run: [NordBull] C:\WINDOWS\msa.exe
O8 - Extra context menu item: Add to Windows &Live Favorites - https://onedrive.live.com/?id=favorites
O9 - Extra button: Casino-On-Net - {3015DB92-158E-4b77-9020-85C8E311FBB5} - C:\PROGRA~1\CASINO~1\casino.exe (file missing)
O9 - Extra button: Europa Casino - {4C826F10-D34B-4ba8-B609-1FB8C6482A05} - C:\Casino\Europa Casino\casino.exe (file missing)
O9 - Extra 'Tools' menuitem: Europa Casino - {4C826F10-D34B-4ba8-B609-1FB8C6482A05} - C:\Casino\Europa Casino\casino.exe (file missing)
O9 - Extra button: (no name) - {9034A523-D068-4BE8-A284-9DF278BE776E} - http://www.getietool.com/redirect.php (file missing)
O9 - Extra 'Tools' menuitem: IE Anti-Spyware - {9034A523-D068-4BE8-A284-9DF278BE776E} - http://www.getietool.com/redirect.php (file missing)
O14 - IERESET.INF: START_PAGE_URL=https://www.google.fr/?gws_rd=ssl
O17 - HKLM\System\CCS\Services\Tcpip\..\{CC53F3E5-906B-423B-A630-CABD29CA7520}: NameServer = 212.27.40.240,212.27.40.241
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe