Da un po di giorni che mentre navigo si aprono pagine che mi indicano di scaricare winantiviruspro2006, questo è il file di log di Hijackthis:

Logfile of HijackThis v1.99.1
Scan saved at 9.08.54, on 14/03/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\ASWLSVC.exe
C:\WINDOWS\ATK0100\HControl.exe
C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
C:\Programmi\Analog Devices\SoundMAX\SMax4PNP.exe
C:\Programmi\Analog Devices\SoundMAX\Smax4.exe
C:\Programmi\ASUS\ASUS Live Update\ALU.exe
C:\Programmi\ASUS\NB Probe\NBProbe.exe
C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
C:\Programmi\ASUS\WLAN Card Utilities\Center.exe
C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
C:\Programmi\ASUS\Power4 Gear\BatteryLife.exe
C:\Programmi\Java\jre1.5.0_06\bin\jusched.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb0 7.exe
C:\PROGRA~1\Grisoft\AVG7\avgrssvc.exe
C:\Programmi\EPSON\Creativity Suite\Event Manager\EEventManager.exe
C:\PROGRA~1\Grisoft\AVG7\avgrssvc.exe
C:\Programmi\Adobe\Photoshop Album Starter Edition\3.0\Apps\apdproxy.exe
C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
C:\Programmi\WIDCOMM\Software Bluetooth\bin\btwdins.exe
C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\system32\svchost.exe
C:\PROGRA~1\Grisoft\AVG7\avgfwsrv.exe
C:\PROGRA~1\Grisoft\AVG7\avgcc.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Asus\Asus ChkMail\ChkMail.exe
C:\WINDOWS\system32\sistray.exe
C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
C:\Programmi\Google\Google Updater\GoogleUpdater.exe
C:\WINDOWS\system32\fxssvc.exe
C:\WINDOWS\ATK0100\ATKOSD.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\wuauclt.exe
C:\hij\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.asus.com
R3 - URLSearchHook: Yahoo! Toolbar con blocco Pop-Up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn0\yt.dll (file missing)
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar1.dll
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar1.dll
O4 - HKLM\..\Run: [HControl] C:\WINDOWS\ATK0100\HControl.exe
O4 - HKLM\..\Run: [SiSPower] Rundll32.exe SiSPower.dll,ModeAgent
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Programmi\Analog Devices\SoundMAX\SMax4PNP.exe
O4 - HKLM\..\Run: [SoundMAX] "C:\Programmi\Analog Devices\SoundMAX\Smax4.exe" /tray
O4 - HKLM\..\Run: [ASUS Live Update] C:\Programmi\ASUS\ASUS Live Update\ALU.exe
O4 - HKLM\..\Run: [NB Probe] C:\Programmi\ASUS\NB Probe\NBProbe.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Programmi\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [Control Center] C:\Programmi\ASUS\WLAN Card Utilities\Center.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [Power_Gear] C:\Programmi\ASUS\Power4 Gear\BatteryLife.exe 1
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Programmi\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [REGSHAVE] C:\Programmi\REGSHAVE\REGSHAVE.EXE /AUTORUN
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb0 7.exe
O4 - HKLM\..\Run: [EEventManager] C:\Programmi\EPSON\Creativity Suite\Event Manager\EEventManager.exe
O4 - HKLM\..\Run: [EPSON Stylus DX3800 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATIA CE.EXE /P26 "EPSON Stylus DX3800 Series" /O6 "USB003" /M "Stylus DX3800"
O4 - HKLM\..\Run: [Adobe Photo Downloader] "C:\Programmi\Adobe\Photoshop Album Starter Edition\3.0\Apps\apdproxy.exe"
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVG7\avgcc.exe /STARTUP
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [swg] C:\Programmi\Google\GoogleToolbarNotifier\1.2.1128 .5462\GoogleToolbarNotifier.exe
O4 - Global Startup: ASUS ChkMail.lnk = C:\Programmi\Asus\Asus ChkMail\ChkMail.exe
O4 - Global Startup: Utility Tray.lnk = C:\WINDOWS\system32\sistray.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Google Updater.lnk = C:\Programmi\Google\Google Updater\GoogleUpdater.exe
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Invia a &Bluetooth - C:\Programmi\WIDCOMM\Software Bluetooth\btsendto_ie_ctx.htm
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\avgfwafu.dll
O15 - Trusted Zone: http://www.happyfile.net
O15 - Trusted Zone: http://www.otherchance.com
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\
O23 - Service: ASWLSVC - Unknown owner - C:\WINDOWS\system32\ASWLSVC.exe
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgupsvc.exe
O23 - Service: AVG7 Resident Shield Service (AvgCoreSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgrssvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgemc.exe
O23 - Service: AVG Firewall (AVGFwSrv) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVG7\avgfwsrv.exe
O23 - Service: Bluetooth Service (btwdins) - WIDCOMM, Inc. - C:\Programmi\WIDCOMM\Software Bluetooth\bin\btwdins.exe
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Programmi\File comuni\EPSON\EBAPI\SAgent2.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Programmi\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: O&O Defrag (OODefrag) - O&O Software GmbH - C:\WINDOWS\system32\oodag.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Programmi\Analog Devices\SoundMAX\SMAgent.exe