Page de demarrage fausse

suite a une attak de spyware
ma page d'acceuil devrait etre wanadoo.fr
mais une page apparait "www.syserror.com" page sur un antispyware
je colle un rapport hijackthis
mreci d'avance pour la solution

Logfile of HijackThis v1.99.1
Scan saved at 08:12:03, on 22/11/2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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\userinit.exe
C:\WINDOWS\Explorer.EXE
C:\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.wanadoo.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = www.google.fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: (no name) - {7288c0bd-7f2f-4229-a0c4-3c90a6e2a881} - C:\WINDOWS\System32\hpC4D6.tmp
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [Smapp] C:\Program Files\Analog Devices\SoundMAX\Smtray.exe
O4 - HKLM\..\Run: [CAPON] C:\WINDOWS\System32\Spool\Drivers\w32x86\3\CAPONN.EXE
O4 - HKLM\..\Run: [MediaTransfer Driver] C:\Program Files\Telelogos\MediaTransfer Client\Bin\MTDRV32.EXE
O4 - HKLM\..\Run: [Realtime Monitor] C:\PROGRA~1\CA\ETRUST~1\realmon.exe -s
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [a-squared] "C:\Program Files\a-squared\a2guard.exe"
O4 - Global Startup: Fenêtre d'état Canon LBP-810.LNK = C:\WINDOWS\system32\spool\drivers\w32x86\3\CAPPSWK.EXE
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: Raccourci vers hardcopy.lnk = C:\Documents and Settings\RACINE-SAP\Mes documents\Hardcopy\hardcopy.exe
O4 - Global Startup: Telelogos Barre des tâches.lnk = C:\Program Files\Telelogos\MediaTransfer Client\BIN\TBUPDATE.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O14 - IERESET.INF: START_PAGE_URL=www.google.fr
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} - http://software-dl.real.com/27dc6825b29ba76bbe05/netzip/RdxIE601_fr.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2005111401/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {A3009861-330C-4E10-822B-39D16EC8829D} (CRAVOnline Object) - http://www.ravantivirus.com/scan/ravonline.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{EF8997F4-592C-4817-A2D6-0D862D50A1E6}: NameServer = 194.2.0.20,194.2.0.50
O21 - SSODL: LiveReg - {A2FF979F-A8EC-74FB-3798-8D3C0A8C8A32} - c:\program files\fichiers communs\symantec shared\livereg\slmneh3.dll (file missing)
O23 - Service: pcAnywhere Host Service (awhost32) - Symantec Corporation - C:\Program Files\Symantec\pcAnywhere\awhost32.exe
O23 - Service: eTrust Antivirus RPC Server (InoRPC) - Computer Associates International, Inc. - C:\Program Files\CA\eTrust Antivirus\InoRpc.exe
O23 - Service: eTrust Antivirus Realtime Server (InoRT) - Computer Associates International, Inc. - C:\Program Files\CA\eTrust Antivirus\InoRT.exe
O23 - Service: eTrust Antivirus Job Server (InoTask) - Computer Associates International, Inc. - C:\Program Files\CA\eTrust Antivirus\InoTask.exe
O23 - Service: MediaTransfer Client - Telelogos - C:\Program Files\Telelogos\MediaTransfer Client\BIN\SERVICE.EXE
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe

merci de votre aide