Probleme avec de nombreux spyware

Bonjour, depuis peu j'ai de gros problemes d'alertes au spyware. Je me suis informée et je suis tombé sur cette page http://www.commentcamarche.net/faq/sujet 3174 virus methode preliminaire de desinfection version fr

Je viens donc poster mon rapport d'AVG :

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AVG Anti-Spyware - Rapport d'analyse
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+ Créé à: 19:14:04 27/11/2007

+ Résultat de l'analyse:

C:\Documents and Settings\TO\Local Settings\Temporary Internet Files\Content.IE5\XIT3LQLF\mosx1024[1] -> Downloader.ConHook.hl : Nettoyé et sauvegardé (mise en quarantaine).
:mozilla.12:C:\Documents and Settings\TO\Application Data\Mozilla\Firefox\Profiles\rhrhywl7.default\cookies.txt -> TrackingCookie.Bluestreak : Nettoyé.
:mozilla.11:C:\Documents and Settings\TO\Application Data\Mozilla\Firefox\Profiles\rhrhywl7.default\cookies.txt -> TrackingCookie.Doubleclick : Nettoyé.

Fin du rapport

Le rapport BitDefender :

BitDefender Online Scanner
Scan report generated at: Tue, Nov 27, 2007 - 20:08:34
Scan path: C:\;D:\;

Statistics
Time
00:19:43

Files
79314

Folders
2155

Boot Sectors
3

Archives
666

Packed Files
3010

Results

Identified Viruses
3

Infected Files
4

Suspect Files
0

Warnings
0

Disinfected
0

Deleted Files
4

Engines Info

Virus Definitions
879165

Engine build
AVCORE v1.0 (build 2422) (i386) (Sep 25 2007 08:26:36)

Scan plugins
14

Archive plugins
38

Unpack plugins
7

E-mail plugins
6

System plugins
1

Scan Settings

First Action
Disinfect

Second Action
Delete

Heuristics
Yes

Enable Warnings
Yes

Scanned Extensions
*;

Exclude Extensions

Scan Emails
Yes

Scan Archives
Yes

Scan Packed
Yes

Scan Files
Yes

Scan Boot
Yes

Scanned File
Status

C:\Documents and Settings\TO\Local Settings\Temporary Internet Files\Content.IE5\KNA3F91E\poiu[1]
Infected with: Trojan.Clicker.MNB

C:\Documents and Settings\TO\Local Settings\Temporary Internet Files\Content.IE5\KNA3F91E\poiu[1]
Disinfection failed

C:\Documents and Settings\TO\Local Settings\Temporary Internet Files\Content.IE5\KNA3F91E\poiu[1]
Deleted

C:\Program Files\Fichiers communs\Yazzle1281OinAdmin.exe
Infected with: Trojan.Downloader.Purityscan.EN

C:\Program Files\Fichiers communs\Yazzle1281OinAdmin.exe
Disinfection failed

C:\Program Files\Fichiers communs\Yazzle1281OinAdmin.exe
Deleted

C:\WINDOWS\system32\iawaidnm.dll
Infected with: Trojan.Vundo.DQO

C:\WINDOWS\system32\iawaidnm.dll
Disinfection failed

C:\WINDOWS\system32\iawaidnm.dll
Deleted

C:\WINDOWS\system32\omxdysde.dll
Infected with: Trojan.Vundo.DQO

C:\WINDOWS\system32\omxdysde.dll
Disinfection failed

C:\WINDOWS\system32\omxdysde.dll
Deleted

Puis le rapport HijackThis :

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 20:18:55, on 27/11/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
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\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
C:\Program Files\Neuf\Kit\WiFi\9wifi.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe
C:\Program Files\Spleak\SpleakLoader.exe
C:\WINDOWS\system32\ctfmon.exe
C:\PROGRA~1\WINDOW~4\MESSEN~1\msnmsgr.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\MessengerDiscovery\MessengerDiscovery Live.exe
C:\Program Files\Windows Live\Messenger\usnsvc.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\WINDOWS\explorer.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = https://actus.sfr.fr
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://actus.sfr.fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.neuf.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://actus.sfr.fr
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = https://actus.sfr.fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: Security Toolbar - {11A69AE4-FBED-4832-A2BF-45AF82825583} - C:\WINDOWS\system32\poquxsaj.dll
O4 - HKLM\..\Run: [Autoconfigurateur WiFi Neuf] "C:\Program Files\Neuf\Kit\WiFi\9wifi.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKLM\..\Run: [SpleakPlugin] "C:\Program Files\Spleak\SpleakLoader.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [8cc6df2a] rundll32.exe "C:\WINDOWS\system32\omxdysde.dll",b
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\PROGRA~1\WINDOW~4\MESSEN~1\msnmsgr.exe" /background
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - C:\WINDOWS\bdoscandel.exe
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
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scan8/oscan8.cab
O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
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: AVG Anti-Spyware Guard - GRISOFT s.r.o. - C:\Program Files\Grisoft\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: DomainService - Unknown owner - C:\WINDOWS\system32\txftvbmt.exe (file missing)
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe