Help virus/troj

Bonjour,
je viens de formater mon système et ma grande surprise après être allé 5 minutes sur le web : il était infecté par je ne sais quel malware.
J'aimerai vraiment que vous m'aidiez à vérifier qu'il n'y a plus rien.
Merci d'avance.

Voici ce que j'ai déjà fait ( j'ai trouvé ces conseils sur d'autres posts ) :

1) HijackThis

Résultats :
Logfile of HijackThis v1.97.7
Scan saved at 17:48:44, on 27/06/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\spoolsv.exe
C:\WINDOWS\ehome\ehSched.exe
C:\Program Files\Fichiers communs\Microsoft Shared\VS7Debug\mdm.exe
C:\Program Files\Fichiers communs\Panda Software\PavShld\pavprsrv.exe
C:\Program Files\Panda Software\Panda Titanium Antivirus 2004\pavsrv51.exe
C:\WINDOWS\system32\slserv.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Virtual CD v4 SDK\system\vcssecs.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\Program Files\Panda Software\Panda Titanium Antivirus 2004\AVENGINE.EXE
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\ehome\ehtray.exe
C:\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
C:\WINDOWS\ehome\ehmsas.exe
C:\apps\ABoard\ABoard.exe
C:\APPS\EmailChecker\ech.exe
C:\Program Files\Panda Software\Panda Titanium Antivirus 2004\APVXDWIN.EXE
C:\apps\ABoard\AOSD.exe
C:\PROGRA~1\ZONELA~1\ZONEAL~1\zlclient.exe
C:\Program Files\Messenger\MSMSGS.EXE
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\Panda Software\Panda Titanium Antivirus 2004\WebProxy.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\AIM95\aim.exe
C:\Program Files\Windows Media Player\wmplayer.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Jarod\Bureau\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://format.packardbell.com/cgi-bin/redirect/?country=FR&range=AD&phase=6&key=SEARCH
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = file://C:\APPS\IE\offline\fr.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Packard Bell
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,Shellnext = http://www.tiscali.fr/
O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [ATIPTA] C:\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
O4 - HKLM\..\Run: [ACTIVBOARD] c:\apps\ABoard\ABoard.exe
O4 - HKLM\..\Run: [EmailChecker] C:\APPS\EmailChecker\ech.exe
O4 - HKLM\..\Run: [APVXDWIN] "C:\Program Files\Panda Software\Panda Titanium Antivirus 2004\APVXDWIN.EXE" /s
O4 - HKLM\..\Run: [Zone Labs Client] C:\PROGRA~1\ZONELA~1\ZONEAL~1\zlclient.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\MSMSGS.EXE" /background
O4 - HKCU\..\RunServices: [0utlook Express] slqhx.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O9 - Extra 'Tools' menuitem: Console Java (Sun) (HKLM)
O9 - Extra button: AIM (HKLM)
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: Real.com (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Windows Messenger (HKLM)
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda titanium antivirus 2004\pavlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda titanium antivirus 2004\pavlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda titanium antivirus 2004\pavlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda titanium antivirus 2004\pavlsp.dll
O14 - IERESET.INF: START_PAGE_URL=file://C:\APPS\IE\offline\fr.htm
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://housecall.trendmicro-europe.com/housecall/Xscan53.cab
O16 - DPF: {80DD2229-B8E4-4C77-B72F-F22972D723EA} (AvxScanOnline Control) - http://www.bitdefender.com/scan/Msie/bitdefender.cab
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?38164.3101041667
O16 - DPF: {A3009861-330C-4E10-822B-39D16EC8829D} (CRAVOnline Object) - http://www.ravantivirus.com/scan/ravonline.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O16 - DPF: {EF791A6B-FC12-4C68-99EF-FB9E207A39E6} (McFreeScan Class) - http://download.mcafee.com/molbin/iss-loc/vso/en-us/tools/mcfscan/2,0,0,4370/mcfscan.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{87945615-D7D8-4837-AE04-A55A15A93FB4}: NameServer = 213.36.80.1 213.36.80.1

Mon antivirus est Panda antivirus Titanium 2004
Mon firewall est ZoneAlarm
Ils sont tous les 2 mis à jour
Je suis sous Windows XP qui est lui aussi à jour.

Analyse antivirus par RAV Antivirus

Scan started at 27/06/2004 17:51:30

Scanning memory...
Scanning boot sectors...
Scanning files...

Scanned
============================
Objects: 26914
Directories: 3191
Archives: 6475
Size(Kb): -720081
Infected files: 0

Found
============================
Viruses found: 0
Suspicious files: 0
Disinfected files: 0
Mail files: 48