I need help cuz i ve been having some problems in here =z !

FIRST: a little yellow box with an exclamation point saying somethin like " Your machine might be infected " and it wont stop poping...

SECONG: an ANNOYING BIG box saying somethin about " do you want to learn how to protect your computer bla bla =z" Yes or No...

my PC is acting weird... it frozes always when i am seeing a folder.... then i CRTL + ALT + DEL to continue using the PC

MY PC is a
P4 2.8
512 RAM
G4 5200
HD 80GB
HD 120GB

well please i need help ! here is my LOG

Logfile of HijackThis v1.99.1
Scan saved at 19:01:06, on 19/9/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\ARQUIV~1\QUICKT~1\qttask.exe
C:\Arquivos de programas\Winamp\winampa.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Arquivos de programas\Netropa\Multimedia Keyboard\MMKeybd.exe
C:\WINDOWS\system32\rundll32.exe
C:\Arquivos de programas\Sunbelt Software\CounterSpy Client\sunasDtServ.exe
C:\Arquivos de programas\Sunbelt Software\CounterSpy Client\sunasServ.exe
C:\Arquivos de programas\Arquivos comuns\Real\Update_OB\realsched.exe
C:\Arquivos de programas\Stardock\ObjectDock\ObjectDock.exe
C:\Arquivos de programas\Netropa\Multimedia Keyboard\nhksrv.exe
C:\Arquivos de programas\ewido\security suite\ewidoctrl.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\Arquivos de programas\Analog Devices\SoundMAX\SMAgent.exe
C:\Arquivos de programas\Netropa\Multimedia Keyboard\TrayMon.exe
C:\Arquivos de programas\Netropa\Onscreen Display\OSD.exe
C:\WINDOWS\System32\wdfmgr.exe
C:\WINDOWS\System32\UAService7.exe
C:\WINDOWS\System32\alg.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\explorer.exe
E:\THG\Downloads\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.xdsgbjgovigyo.uk/Ko_mKlys...P8g0BfnLE.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = &http://home.microsoft.com/intl/br/access/allinone.asp
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://red.clientapps.yahoo.com/cust.../www.yahoo.com
R1 - HKLM\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://red.clientapps.yahoo.com/cust.../www.yahoo.com
F2 - REG:system.ini: UserInit=C:\WINDOWS\System32\Userinit.exe
O1 - Hosts: localhost 127.0.0.1
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Arquivos de programas\Yahoo!\Companion\Installs\cpn\ycomp5_3_19_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Arquivos de programas\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: CompSegIB - {2E3C3651-B19C-4DD9-A979-901EC3E930AF} - C:\WINDOWS\System32\scpsssh2.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Arquivos de programas\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\arquivos de programas\google\googletoolbar2.dll
O2 - BHO: G-Buster Browser Defense - {C41A1C0E-EA6C-11D4-B1B8-444553540000} - C:\WINDOWS\Downloaded Program Files\gbieh.dll
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Arquivos de programas\Yahoo!\Companion\Installs\cpn\ycomp5_3_19_0.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\arquivos de programas\google\googletoolbar2.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [QuickTime Task] "C:\ARQUIV~1\QUICKT~1\qttask.exe" -atboottime
O4 - HKLM\..\Run: [WinampAgent] C:\Arquivos de programas\Winamp\winampa.exe
O4 - HKLM\..\Run: [PinnacleDriverCheck] C:\WINDOWS\System32\PSDrvCheck.exe -CheckReg
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [win32bit] C:\WINDOWS\System32\win32bit.exe
O4 - HKLM\..\Run: [MULTIMEDIA KEYBOARD] C:\Arquivos de programas\Netropa\Multimedia Keyboard\MMKeybd.exe
O4 - HKLM\..\Run: [sunasDTServ] C:\Arquivos de programas\Sunbelt Software\CounterSpy Client\sunasDtServ.exe
O4 - HKLM\..\Run: [sunasServ] C:\Arquivos de programas\Sunbelt Software\CounterSpy Client\sunasServ.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Arquivos de programas\Arquivos comuns\Real\Update_OB\realsched.exe" -osboot
O4 - Startup: Stardock ObjectDock.lnk = C:\Arquivos de programas\Stardock\ObjectDock\ObjectDock.exe
O8 - Extra context menu item: &Download with &DAP - C:\ARQUIV~1\DAP\dapextie.htm
O8 - Extra context menu item: &Google Search - res://c:\arquivos de programas\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: &Search - http://kc.bar.need2find.com/KC/menusearch.html?p=KC
O8 - Extra context menu item: &Translate English Word - res://c:\arquivos de programas\google\GoogleToolbar2.dll/cmwordtrans.html
O8 - Extra context menu item: &Yahoo! Search - file:///C:\Arquivos de programas\Yahoo!\Common/ycsrch.htm
O8 - Extra context menu item: Backward Links - res://c:\arquivos de programas\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\arquivos de programas\google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: Download &all with DAP - C:\ARQUIV~1\DAP\dapextie2.htm
O8 - Extra context menu item: E&xportar para o Microsoft Excel - res://C:\ARQUIV~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Similar Pages - res://c:\arquivos de programas\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://c:\arquivos de programas\google\GoogleToolbar2.dll/cmtrans.html
O8 - Extra context menu item: Yahoo! &Dictionary - file:///C:\Arquivos de programas\Yahoo!\Common/ycdict.htm
O8 - Extra context menu item: Yahoo! &Maps - file:///C:\Arquivos de programas\Yahoo!\Common/ycdict.htm
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Arquivos de programas\Yahoo!\Messenger\yhexbmes0521.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - C:\Arquivos de programas\Yahoo!\Messenger\yhexbmes0521.dll
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra button: Pesquisar - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\ARQUIV~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\Arquivos de programas\AIM\aim.exe
O9 - Extra button: ICQ 4.1 - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Arquivos de programas\ICQLite\ICQLite.exe
O9 - Extra 'Tools' menuitem: ICQ Lite - {B863453A-26C3-4e1f-A54D-A2CD196348E9} - C:\Arquivos de programas\ICQLite\ICQLite.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Arquivos de programas\Messenger\msmsgs.exe
O14 - IERESET.INF: SEARCH_PAGE_URL=&http://home.microsoft.com/intl/br/access/allinone.asp
O16 - DPF: ConferenceRoom Java Client - http://195.149.189.200:8000/java/cr.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary...r.cab31267.cab
O16 - DPF: {04E214E5-63AF-4236-83C6-A7ADCBF9BD02} (HouseCall Control) - http://housecall60.trendmicro.com/housecall/xscan60.cab
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary...t.cab31267.cab
O16 - DPF: {2E3C3651-B19C-4DD9-A979-901EC3E930AF} (ssh2 Class) - https://wwwss.bradesco.com.br/ib2k1/scpsssh2.cab
O16 - DPF: {39B0684F-D7BF-4743-B050-FDC3F48F7E3B} (FilePlanet Download Control Class) - http://www.fileplanet.com/fpdlmgr/ca...C_1_0_0_44.cab
O16 - DPF: {48884C41-EFAC-433D-958A-9FADAC41408E} (EGamesPlugin Class) - https://www.e-games.com.my/com/EGamesPlugin.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://spaces.msn.com//PhotoUpload/MsnPUpld.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://www.bitdefender.com/scan8/oscan8.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsu...?1125244676375
O16 - DPF: {6E2D6932-3885-4FA2-8DD4-DB63FFE33797} (PhotoPickConvert Class) - http://appdirectory.messenger.msn.co...p/PhtPkCnv.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsof...?1125246639156
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary...t.cab31267.cab
O16 - DPF: {A3009861-330C-4E10-822B-39D16EC8829D} (CRAVOnline Object) - http://www.ravantivirus.com/scan/ravonline.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/Ms...Downloader.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary...o.cab31267.cab
O16 - DPF: {CC5C7FFD-E058-4390-A22A-FD08CCD9A3CE} (JoyOnPlay Control) - http://www.pangonline.com.br/common/com/ongamenet.cab
O16 - DPF: {E37CB5F0-51F5-4395-A808-5FA49E399F83} (GbPluginObj Class) - https://www14.bancobrasil.com.br/plugin/GbPluginBb.cab
O16 - DPF: {F1835D04-7CCF-489E-8184-C08A1F682169} (FileSharingCtrl Class) - http://appdirectory.messenger.msn.co...haringctrl.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{82C9C292-3CE8-4D3E-9871-F92F07E648D2}: NameServer = 195.95.218.18,85.255.112.11
O17 - HKLM\System\CCS\Services\Tcpip\..\{CC91D3E2-9C88-4D47-9DAE-D4D9C9AAA44B}: NameServer = 195.95.218.18,85.255.112.11
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\ARQUIV~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: ewido security suite control - ewido networks - C:\Arquivos de programas\ewido\security suite\ewidoctrl.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Arquivos de programas\Arquivos comuns\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Macromedia Licensing Service - Unknown owner - C:\Arquivos de programas\Arquivos comuns\Macromedia Shared\Service\Macromedia Licensing.exe
O23 - Service: Netropa NHK Server (nhksrv) - Unknown owner - C:\Arquivos de programas\Netropa\Multimedia Keyboard\nhksrv.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Arquivos de programas\Analog Devices\SoundMAX\SMAgent.exe
O23 - Service: SecuROM User Access Service (V7) (UserAccess7) - Unknown owner - C:\WINDOWS\System32\UAService7.exe