Trojan

Alguém pode me ajudar a remover este trojan?
Grata.

drikagreis

Logfile of HijackThis v1.99.1
Scan saved at 23:02:46, on 27/9/2006
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
G:\WINDOWS\System32\smss.exe
G:\WINDOWS\system32\winlogon.exe
G:\WINDOWS\system32\services.exe
G:\WINDOWS\system32\lsass.exe
G:\WINDOWS\system32\svchost.exe
G:\WINDOWS\System32\svchost.exe
G:\WINDOWS\Explorer.EXE
G:\WINDOWS\system32\spoolsv.exe
G:\Arquivos de programas\Telefonica\Speedy\SATUF.exe
G:\ARQUIV~1\ALWILS~1\Avast4\ashDisp.exe
G:\WINDOWS\System32\ctfmon.exe
G:\WINDOWS\System32\whxwin.exe
G:\Arquivos de programas\Alwil Software\Avast4\aswUpdSv.exe
G:\Arquivos de programas\Alwil Software\Avast4\ashServ.exe
G:\Arquivos de programas\Alwil Software\Avast4\ashWebSv.exe
G:\Arquivos de programas\Alwil Software\Avast4\ashMaiSv.exe
G:\Arquivos de programas\Internet Explorer\iexplore.exe
G:\WINDOWS\system32\cmd.exe
G:\Arquivos de programas\Alwil Software\Avast4\ashSimpl.exe
C:\Downloads\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = &http://home.microsoft.com/intl/br/access/allinone.asp
O3 - Toolbar: &Rádio - {8E718888-423F-11D2-876E-00A0C9082467} - G:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [tspuf] G:\Arquivos de programas\Telefonica\Speedy\SATUF.exe
O4 - HKLM\..\Run: [whxpin service] whxwin.exe
O4 - HKLM\..\Run: [avast!] G:\ARQUIV~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\RunServices: [whxpin service] whxwin.exe
O4 - HKCU\..\Run: [CTFMON.EXE] G:\WINDOWS\System32\ctfmon.exe
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - G:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - G:\WINDOWS\web\related.htm
O14 - IERESET.INF: SEARCH_PAGE_URL=&http://home.microsoft.com/intl/br/access/allinone.asp
O17 - HKLM\System\CCS\Services\Tcpip\..\{434DD7CC-1F86-4388-A2A7-7519E127ACBD}: NameServer = 200.204.0.10 200.204.0.138
O17 - HKLM\System\CS1\Services\Tcpip\..\{434DD7CC-1F86-4388-A2A7-7519E127ACBD}: NameServer = 200.204.0.10 200.204.0.138
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - G:\Arquivos de programas\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - Unknown owner - G:\Arquivos de programas\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - G:\Arquivos de programas\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - G:\Arquivos de programas\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)