Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 18.07.34, on 13/11/2009
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.18828)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Intel\Intel Matrix Storage Manager\IAAnotif.exe
C:\Program Files\Synaptics\SynTP\SynTPStart.exe
C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe
C:\Acer\Empowering Technology\eDataSecurity\x86\eDSLoader.exe
C:\Windows\system32\taskeng.exe
C:\Program Files\Launch Manager\LManager.exe
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\Windows\System32\hkcmd.exe
C:\Windows\System32\igfxpers.exe
C:\Windows\WindowsMobile\wmdSync.exe
C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
C:\Windows\system32\igfxsrvc.exe
C:\Acer\Empowering Technology\ENET\ENMTRAY.EXE
C:\Windows\system32\igfxext.exe
C:\Windows\system32\igfxsrvc.exe
C:\Acer\Empowering Technology\EPOWER\EPOWER_DMC.EXE
C:\Acer\Empowering Technology\ACER.EMPOWERING.FRAMEWORK.SUPERVISOR.EXE
C:\Program Files\WIDCOMM\Bluetooth Software\BtStackServer.exe
C:\Acer\Empowering Technology\eRecovery\ERAGENT.EXE
C:\Users\Roberto\AppData\Local\Temp\RtkBtMnt.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\FreePOPs\freepopsd.exe
C:\Users\Roberto\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Users\Roberto\AppData\Local\Google\Chrome\Application\chrome.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\Windows\system32\SearchFilterHost.exe

ciao

dovresti ripetere la scansione di hijackthis, questa che hai postato e' solo una parte