Log Hijackthis

J'ai le programme highjackthis et je ne sais pas quoi enlever! Voici ce que le scan a donné:Logfile of HijackThis v1.98.0
Scan saved at 12:39:58, on 12/09/04
Platform: Windows 98 Gold (Win9x 4.10.1998)
MSIE: Internet Explorer v5.00 (5.00.2314.1000)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\PROGRAM FILES\MESSENGER PLUS! 3\MSGPLUS.EXE
C:\WINDOWS\SYSTEM\ZONELABS\VSMON.EXE
C:\PROGRAM FILES\GRISOFT\AVG6\AVGSERV9.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\LOADQM.EXE
C:\PROGRAM FILES\FICHIERS COMMUNS\REAL\UPDATE_OB\REALSCHED.EXE
C:\PROGRAM FILES\ZONE LABS\ZONEALARM\ZLCLIENT.EXE
C:\PROGRAM FILES\GRISOFT\AVG6\AVGCC32.EXE
C:\PROGRAM FILES\WINAD CLIENT\WINAD.EXE
C:\PROGRAM FILES\WEBROOT\SPY SWEEPER\SPYSWEEPER.EXE
C:\PROGRAM FILES\MSN MESSENGER\MSNMSGR.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\PROGRAM FILES\WINAD CLIENT\WINCLT.EXE
C:\PROGRAM FILES\ZIPCENTRAL\ZCENTRAL.EXE
C:\WINDOWS\TEMP\_ZCTMP.DIR\HIJACKTHIS.EXE

R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.ca
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\PROGRAM FILES\YAHOO!\COMPANION\INSTALLS\CPN\YCOMP5_3_12_0.DLL
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRAM FILES\YAHOO!\COMPANION\INSTALLS\CPN\YCOMP5_3_12_0.DLL
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [AVG_CC] C:\PROGRA~1\GRISOFT\AVG6\avgcc32.exe /STARTUP
O4 - HKLM\..\Run: [Winad Client] C:\PROGRAM FILES\WINAD CLIENT\WINAD.EXE
O4 - HKLM\..\RunServices: [MessengerPlus3] "C:\Program Files\Messenger Plus! 3\MsgPlus.exe"
O4 - HKLM\..\RunServices: [TrueVector] C:\WINDOWS\SYSTEM\ZONELABS\VSMON.EXE -service
O4 - HKLM\..\RunServices: [Avgserv9.exe] C:\PROGRA~1\GRISOFT\AVG6\Avgserv9.exe
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Program Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - HKCU\..\Run: [MessengerPlus3] "C:\Program Files\Messenger Plus! 3\MsgPlus.exe" /WinStart
O4 - HKCU\..\Run: [SpySweeper] "C:\Program Files\Webroot\Spy Sweeper\SPYSWEEPER.EXE" /0
O4 - HKCU\..\Run: [msnmsgr] "C:\PROGRAM FILES\MSN MESSENGER\MSNMSGR.EXE" /background
O8 - Extra context menu item: Yahoo! Search - file:///C:\Program Files\Yahoo!\Common/ycsrch.htm
O8 - Extra context menu item: Yahoo! Dictionary - file:///C:\Program Files\Yahoo!\Common/ycdict.htm
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRAM FILES\YAHOO!\MESSENGER\YHEXBMES0411.DLL
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\PROGRAM FILES\YAHOO!\MESSENGER\YHEXBMES0411.DLL
O11 - Options group: [Accessibilité] Accessibilité
O16 - DPF: {EF99BD32-C1FB-11D2-892F-0090271D4F88} (&Yahoo! Companion) - http://us.dl1.yimg.com/download.companion.yahoo.com/dl/toolbar/yiebio5_2_3_0.cab
O16 - DPF: {A17E30C4-A9BA-11D4-8673-60DB54C10000} (YahooYMailTo Class) - http://us.dl1.yimg.com/download.yahoo.com/dl/installs/yse/ymmapi_416.dll
O16 - DPF: {F58E1CEF-A068-4C15-BA5E-587CAF3EE8C6} (MSN Chat Control 4.5) - http://chat.msn.com/bin/msnchat45.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary/ZIntro.cab30149.cab
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab30149.cab
O16 - DPF: {E6187999-9FEC-46A1-A20F-F4CA977D5643} (ZoneChess Object) - http://messenger.zone.msn.com/binary/Chess.cab30149.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab30149.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab30149.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab30149.cab
O16 - DPF: {BD393C14-72AD-4790-A095-76522973D6B8} (CBreakshotControl Class) - http://messenger.zone.msn.com/binary/Bankshot.cab30149.cab
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004061001/housecall.trendmicro.com/housecall/xscan53.cab
O16 - DPF: {15AD4789-CDB4-47E1-A9DA-992EE8E6BAD6} - http://public.windupdates.com/get_file.php?bt=ie&p=5d15351b96687ac90b54afcc18827f4e0c2e1af8d6b2139a6d78fa1ba96d9d848d38af6822d00ec9f99362db9dd3db34d4b55fa34a893c9a5b532161d5cd35:316ec1697e4766858480d3e80deecaa8

Merci !!! @+