Nettoyage avant l'été

Bonjour,

pouvez vous me dire s'il est nécessaire de "virer" quelques lignes ?

Merci,
voici mon scan hijack :

Logfile of HijackThis v1.99.1
Scan saved at 12:38:07, on 19/06/2005
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\AVPersonal\AVGUARD.EXE
C:\Program Files\AVPersonal\AVWUPSRV.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Generic\USB Card Reader Driver v1.9e3\Disk_Monitor.exe
C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
C:\Program Files\HP\HP Software Update\HPWuSchd.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\AVPersonal\AVGNT.EXE
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\Yahoo!\Messenger\ymsgr_tray.exe
C:\Documents and Settings\acer\Mes documents\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://fr.rd.yahoo.com/customize/ie/defaults/sp/msgr7/*http://fr.search.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://GLOBAL.ACER.COM/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://fr.rd.yahoo.com/customize/ie/defaults/su/msgr7/*http://fr.search.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://fr.rd.yahoo.com/customize/ie/defaults/sp/msgr7/*http://fr.search.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://fr.rd.yahoo.com/customize/ie/defaults/su/msgr7/*http://fr.search.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\PROGRA~1\YAHOO!\COMPAN~1\INSTALLS\cpn\ycomp5_3_18_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {D80C4E21-C346-4E21-8E64-20746AA20AEB} - (no file)
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRA~1\YAHOO!\COMPAN~1\INSTALLS\cpn\ycomp5_3_18_0.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [Disk Monitor] C:\Program Files\Generic\USB Card Reader Driver v1.9e3\Disk_Monitor.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\HP\HP Software Update\HPWuSchd.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [AdslTaskBar] rundll32.exe stmctrl.dll,TaskBar
O4 - HKLM\..\Run: [AVGCtrl] C:\Program Files\AVPersonal\AVGNT.EXE /min
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Program Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmesfr.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Program Files\Yahoo!\Messenger\yhexbmesfr.dll
O14 - IERESET.INF: START_PAGE_URL=http://GLOBAL.ACER.COM/
O17 - HKLM\System\CCS\Services\Tcpip\..\{13305967-CC1F-46F8-B8B8-381BCCC14BDB}: NameServer = 212.151.136.250 130.244.127.161
O17 - HKLM\System\CS1\Services\Tcpip\..\{13305967-CC1F-46F8-B8B8-381BCCC14BDB}: NameServer = 212.151.136.250 130.244.127.161
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Program Files\AVPersonal\AVGUARD.EXE
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINDOWS\System32\Ati2evxx.exe
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Program Files\AVPersonal\AVWUPSRV.EXE
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe