Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 14.43.40, on 15/04/2009
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
C:\Windows\System32\rundll32.exe
C:\Windows\RtHDVCpl.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
D:\Unlocker\UnlockerAssistant.exe
C:\Program Files\Alice ti aiuta\McciTrayApp.exe
D:\Programmi\PC Tools Firewall Plus\FirewallGUI.exe
D:\Alwil Software\Avast4\ashDisp.exe
C:\Program Files\CyberLink\Shared Files\brs.exe
C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Users\gianlux\Program Files\DNA\btdna.exe
D:\Programmi\Xmarks\IE Extension\xmarkssync.exe
C:\Program Files\Common Files\LightScribe\LightScribeControlPanel.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BTTray.exe
C:\Program Files\WIDCOMM\Bluetooth Software\BtStackServer.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
D:\BitTorrent\bittorrent.exe
C:\Windows\system32\wuauclt.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Windows\system32\Macromed\Flash\FlashUtil9f.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Users\gianlux\AppData\Local\Temp\Temp1_HiJackThis.zip\HijackThis.exe
C:\Program Files\Internet Explorer\iexplore.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http:\\www.samsungcomputer.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://mail.live.com/default.aspx?wa=wsignin1.0
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http:\\www.samsungcomputer.com
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: Supporto di collegamento per Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: FoxmarksDLLBHO - {A2A71ABA-3939-43B2-BD8F-8C1767EF9020} - D:\Programmi\Xmarks\IE Extension\foxmarksdll.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\Windows\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\Windows\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [UnlockerAssistant] "D:\Unlocker\UnlockerAssistant.exe"
O4 - HKLM\..\Run: [AliceRV_McciTrayApp] C:\Program Files\Alice ti aiuta\McciTrayApp.exe
O4 - HKLM\..\Run: [00PCTFW] "d:\Programmi\PC Tools Firewall Plus\FirewallGUI.exe" -s
O4 - HKLM\..\Run: [avast!] d:\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [BDRegion] C:\Program Files\Cyberlink\Shared Files\brs.exe
O4 - HKLM\..\Run: [RemoteControl] "C:\Program Files\CyberLink\PowerDVD\PDVDServ.exe"
O4 - HKLM\..\Run: [LanguageShortcut] "C:\Program Files\CyberLink\PowerDVD\Language\Language.exe"
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [BitTorrent DNA] "C:\Users\gianlux\Program Files\DNA\btdna.exe"
O4 - HKCU\..\Run: [Xmarks] D:\Programmi\Xmarks\IE Extension\xmarkssync.exe -q
O4 - HKCU\..\Run: [Power2GoExpress] NA
O4 - HKCU\..\Run: [LightScribe Control Panel] C:\Program Files\Common Files\LightScribe\LightScribeControlPanel.exe -hidden
O4 - Global Startup: BTTray.lnk = ?
O8 - Extra context menu item: Invia immagine alla periferica &Bluetooth... - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie_ctx.htm
O8 - Extra context menu item: Invia pagina alla periferica &Bluetooth... - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: @btrez.dll,-4015 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra 'Tools' menuitem: @btrez.dll,-12650 - {CCA281CA-C863-46ef-9331-5C8D4460577F} - C:\Program Files\WIDCOMM\Bluetooth Software\btsendto_ie.htm
O9 - Extra button: (no name) - {638F11AA-DF27-433b-BA2E-7281CE561D71} - D:\Programmi\Xmarks\IE Extension\foxmarksdll.dll (HKCU)
O9 - Extra 'Tools' menuitem: Xmarks for IE... - {638F11AA-DF27-433b-BA2E-7281CE561D71} - D:\Programmi\Xmarks\IE Extension\foxmarksdll.dll (HKCU)
O13 - Gopher Prefix:
O17 - HKLM\System\CCS\Services\Tcpip\..\{28DBB6BB-DC31-471F-BF9B-BFA84D3D7F9E}: NameServer = 85.37.17.15 85.38.28.74
O17 - HKLM\System\CS1\Services\Tcpip\..\{28DBB6BB-DC31-471F-BF9B-BFA84D3D7F9E}: NameServer = 85.37.17.15 85.38.28.74
O23 - Service: Agere Modem Call Progress Audio (AgereModemAudio) - Agere Systems - C:\Windows\system32\agrsmsvc.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - d:\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - d:\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - d:\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - d:\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Intel® PROSet/Wireless Event Log (EvtEng) - Intel(R) Corporation - C:\Program Files\Intel\WiFi\bin\EvtEng.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\Windows\system32\nvvsvc.exe
O23 - Service: PC Tools Firewall Plus (PCToolsFirewallPlus) - PC Tools - d:\Programmi\PC Tools Firewall Plus\FWService.exe
O23 - Service: Intel® PROSet/Wireless Registry Service (RegSrvc) - Intel(R) Corporation - C:\Program Files\Common Files\Intel\WirelessCommon\RegSrvc.exe
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Program Files\CyberLink\Shared Files\RichVideo.exe
O23 - Service: Samsung Update Plus - Unknown owner - C:\Program Files\Samsung\Samsung Update Plus\SLUBackgroundService.exe
O23 - Service: @%SystemRoot%\System32\TuneUpDefragService.exe,-1 (TuneUp.Defrag) - TuneUp Software - C:\Windows\System32\TuneUpDefragService.exe
O23 - Service: @%SystemRoot%\System32\TUProgSt.exe,-1 (TuneUp.ProgramStatisticsSvc) - TuneUp Software - C:\Windows\System32\TUProgSt.exe

--
End of file - 7289 bytes

Ciao avast blocca l'ingresso al sito quando TU cerchi di entrare in questo sito o lo fa quando navighi in internet? Potrebbe trattarsi di un indirizzamento ad un sito da te non voluto oppure in IEFRAME maligno,scarica installa e fai scansione completa con Malwarebytes.Inoltre il 15 marzo avast segnalava questo virus ad altri utenti si e' poi trattato di falso positivo.