HiJackThis found the following:
Logfile of HijackThis v1.97.7
Scan saved at 12:48:06 AM, on 5/1/2004
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2600.0000)
Running processes:
C:\WINDOWS\System32\smss.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\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\Explorer.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\MusicMatch\MusicMatch Jukebox\mmtask.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\Lorenzo\Local Settings\Temporary Internet Files\Content.IE5\SXIRWT2R\HijackThis[1].exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\System32\njp.dll/sp.html (obfuscated)
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\System32\njp.dll/sp.html (obfuscated)
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\System32\njp.dll/sp.html (obfuscated)
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\System32\njp.dll/sp.html (obfuscated)
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\System32\njp.dll/sp.html (obfuscated)
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\System32\njp.dll/sp.html (obfuscated)
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
O2 - BHO: (no name) - {9EEE36A4-C054-4CE5-B518-70EB0C35DA60} - C:\WINDOWS\System32\njp.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [mmtask] c:\Program Files\MusicMatch\MusicMatch Jukebox\mmtask.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O9 - Extra button: AIM (HKLM)
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) -
http://www.apple.com/qtactivex/qtplugin.cabO16 - DPF: {99410CDE-6F16-42CE-9D49-3807F78F0287} (ZangoInstaller Class) -
http://infinity.zango.com/gateway/resources/default/zangoinstaller.cab?productid=542O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) -
http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab