Hola,
No consigo sacarme de encima esta lacra, es el about:blank que me cambia la pagina de inicio y me abre continuamente ventanas incluso sin tener el navegador abierto.
Os pongo mi log:
ogfile of HijackThis v1.99.1
Scan saved at 13:00:14, on 25/05/05
Platform: Windows 98 Gold (Win9x 4.10.1998)
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\FLCSS.EXE
C:\WINDOWS\EXPLORER.EXE
D:\SPYWARE\HIJACKTHIS\HIJACKTHIS.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = res://c:\windows\TEMP\se.dll/spage.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://c:\windows\TEMP\se.dll/spage.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = about:blank
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = about:blank
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Vínculos
O2 - BHO: Copiloto Telepolis - {00649EC0-E572-11D3-8F5F-00C0DFEF760F} - C:\WINDOWS\SYSTEM\COPILOTO.DLL
O2 - BHO: (no name) - {2F3A4F81-CC79-11D9-BDDF-000415F1F434} - C:\WINDOWS\SYSTEM\HGEG.DLL
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - D:\ARCHIV~1\SPYBOT~1\SDHELPER.DLL
O4 - HKLM\..\Run: [sp] rundll32 C:\WINDOWS\TEMP\SE.DLL,DllInstall
O16 - DPF: {11311111-1111-1111-1111-111111111157} - file://C:\Recycled\Q330995.exe
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=36467&clcid=0x409
O17 - HKLM\System\CCS\Services\VxD\MSTCP: NameServer = 80.58.0.97,80.58.32.33
O18 - Filter: text/html - {D710CE22-CC90-11D9-BDDF-000473B13D64} - C:\WINDOWS\SYSTEM\HGEG.DLL
O18 - Filter: text/plain - {D710CE22-CC90-11D9-BDDF-000473B13D64} - C:\WINDOWS\SYSTEM\HGEG.DLL

Espero vuestros consejos,
Un saludo al foro.