Hola, se que tienen muchisimo trabajo, pero sigo esperando que me contesten, estoy pensando que se les paso por lo que subo el tema y de nuevo les dejo mi log muchisimas gracias.

Logfile of HijackThis v1.99.1
Scan saved at 09:07:17 a.m., on 12/07/2005
Platform: Windows ME (Win9x 4.90.3000)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\SSDPSRV.EXE
C:\WINDOWS\SYSTEM\WINMODEM.101\wmexe.exe
C:\WINDOWS\SYSTEM\STIMON.EXE
C:\WINDOWS\SYSTEM\KB891711\KB891711.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\LOADQM.EXE
C:\ARCHIVOS DE PROGRAMA\NORTON ANTIVIRUS\NAVAPW32.EXE
C:\ARCHIVOS DE PROGRAMA\SYMANTEC\LIVEUPDATE\LUCOMSERVER.EXE
C:\ARCHIVOS DE PROGRAMA\WINAMP\WINAMPA.EXE
C:\WINDOWS\SYSTEM\LVCOMS.EXE
C:\WINDOWS\SYSTEM\CTFMON.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\ARCHIVOS DE PROGRAMA\MSN MESSENGER\MSNMSGR.EXE
C:\ARCHIVOS DE PROGRAMA\WINDOWS MEDIA COMPONENTS\ENCODER\WMENCAGT.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\MIS DOCUMENTOS\KARYME\HIJACKTHIS_199\HIJACKTHIS.EXE

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://yahoo.com.mx/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R3 - Default URLSearchHook is missing
O2 - BHO: CNavExtBho Class - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Archivos de programa\Norton AntiVirus\NavShExt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\ARCHIVOS DE PROGRAMA\ADOBE\ACROBAT 6.0\READER\ACTIVEX\ACROIEHELPER.DLL
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\ARCHIV~1\SPYBOT~1\SDHELPER.DLL
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O4 - HKLM\..\Run: [PCHealth] C:\WINDOWS\PCHealth\Support\PCHSchd.exe -s
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [NAV Agent] C:\ARCHIV~1\NORTON~1\NAVAPW32.EXE
O4 - HKLM\..\Run: [WinampAgent] C:\Archivos de programa\Winamp\winampa.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\ARCHIV~1\SYMNET~1\SNDMON.EXE
O4 - HKLM\..\Run: [LVComs] C:\WINDOWS\SYSTEM\LVComS.exe
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [SSDPSRV] C:\WINDOWS\SYSTEM\ssdpsrv.exe
O4 - HKLM\..\RunServices: [*StateMgr] C:\WINDOWS\System\Restore\StateMgr.exe
O4 - HKLM\..\RunServices: [winmodem] WINMODEM.101\wmexe.exe
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Archivos de programa\Archivos comunes\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKLM\..\RunServices: [StillImageMonitor] C:\WINDOWS\SYSTEM\STIMON.EXE
O4 - HKLM\..\RunServices: [KB891711] C:\WINDOWS\SYSTEM\KB891711\KB891711.EXE
O4 - HKCU\..\Run: [ctfmon.exe] ctfmon.exe
O4 - HKCU\..\Run: [Skype] "C:\ARCHIVOS DE PROGRAMA\SKYPE\PHONE\SKYPE.EXE" /nosplash /minimized
O4 - HKCU\..\Run: [msnmsgr] "C:\ARCHIVOS DE PROGRAMA\MSN MESSENGER\MSNMSGR.EXE" /background
O4 - Startup: Encoder Agent.lnk = C:\Archivos de programa\Windows Media Components\Encoder\WMENCAGT.EXE
O16 - DPF: Yahoo! Pool 2 - http://download.games.yahoo.com/games/clients/y/pote_x.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab28578.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab28578.cab
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/binary/SolitaireShowdown.cab28578.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab30149.cab
O16 - DPF: {C4660846-8760-4852-8154-82438E33E383} (FileSharingCtrl Class) - http://appdirectory.messenger.msn.com/AppDirectory/P4Apps/FileSharing/es/filesharingctrl.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary/ZIntro.cab32846.cab
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab31267.cab
O16 - DPF: {BD393C14-72AD-4790-A095-76522973D6B8} (CBreakshotControl Class) - http://messenger.zone.msn.com/binary/Bankshot.cab31267.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: Yahoo! Graffiti - http://download.games.yahoo.com/games/clients/y/grt5_x.cab
O16 - DPF: {2B323CD9-50E3-11D3-9466-00A0C9700498} (Yahoo! Audio Conferencing) - http://us.chat1.yimg.com/us.yimg.com/i/chat/applet/v45/yacscom.cab
O16 - DPF: Yahoo! Chat - http://us.chat1.yimg.com/us.yimg.com/i/chat/applet/c381/chat.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by18fd.bay18.hotmail.msn.com/resources/MsnPUpld.cab
O16 - DPF: {91433D86-9F27-402C-B5E3-DEBDD122C339} - http://www.netvenda.com/default.cab?uid=12&id=44198&1s