Even after fixing it with Hijack, it is re-installed at next boot-up.
Does someone knows where to look for the root cause of this
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Norton Internet Security Professional\IAMAPP.EXE
C:\Program Files\MUSICMATCH\MUSICMATCH Jukebox\mm_tray.exe
C:\WINDOWS\Mixer.exe
C:\Program Files\Washer\washer.exe
C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
C:\Documents and Settings\All Users\Start Menu\Programs\Startup\winlogon.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton Internet Security Professional\NISUM.EXE
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Norton Internet Security Professional\NISSERV.EXE
C:\Program Files\Norton Internet Security Professional\SymPxSvc.exe
C:\Program Files\Norton Internet Security Professional\ATRACK.EXE
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\Antispyware\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://mypoiskovik.com/sp.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://mypoiskovik.com/index.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://mypoiskovik.com/index.htm
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://mypoiskovik.com/sp.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = My Explorer
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://mypoiskovik.com/index.htm
O2 - BHO: (no name) - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [iamapp] C:\Program Files\Norton Internet Security Professional\IAMAPP.EXE
O4 - HKLM\..\Run: [MMTray] C:\Program Files\MUSICMATCH\MUSICMATCH Jukebox\mm_tray.exe
O4 - HKLM\..\Run: [C-Media Mixer] Mixer.exe /startup
O4 - HKCU\..\Run: [Washer] C:\Program Files\Washer\washer.exe /0
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: i-CABLE Easy Access.lnk = C:\Program Files\EasyAccess\starkit.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: winlogon.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
Thanks