Barrie,
Once the hackers gain control and infect the computer with additional malware, what do they tend to do, I mean, what is their purpose? Here are the Malwarebytes and Hijackthis reports:
Malwarebytes' Anti-Malware 1.41
Database version: 3097
Windows 6.0.6002 Service Pack 2
11/3/2009 8:02:50 PM
mbam-log-2009-11-03 (20-02-50).txt
Scan type: Quick Scan
Objects scanned: 95375
Time elapsed: 6 minute(s), 32 second(s)
Memory Processes Infected: 0
Memory Modules Infected: 0
Registry Keys Infected: 0
Registry Values Infected: 0
Registry Data Items Infected: 0
Folders Infected: 0
Files Infected: 0
Memory Processes Infected:
(No malicious items detected)
Memory Modules Infected:
(No malicious items detected)
Registry Keys Infected:
(No malicious items detected)
Registry Values Infected:
(No malicious items detected)
Registry Data Items Infected:
(No malicious items detected)
Folders Infected:
(No malicious items detected)
Files Infected:
(No malicious items detected)
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 8:05:00 PM, on 11/3/2009
Platform: Windows Vista SP2 (WinNT 6.00.1906)
MSIE: Internet Explorer v8.00 (8.00.6001.1882

Boot mode: Normal
Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Program Files\Sony\VAIO Service Utility\VAIO-SUTOOL.exe
C:\Windows\System32\mobsync.exe
C:\Program Files\Apoint\Apoint.exe
C:\Windows\System32\rundll32.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtMng.exe
C:\Windows\system\w98eject.exe
C:\Windows\System32\rundll32.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosA2dp.exe
C:\Program Files\Protector Suite QL\psqltray.exe
C:\Program Files\Apoint\ApMsgFwd.exe
C:\Program Files\Apoint\Apntex.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHid.exe
C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtHsp.exe
C:\Program Files\Sony\VAIO Care\VCsystray.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Sony\ISB Utility\ISBMgr.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe
C:\Windows\system32\wuauclt.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.sony.com/vaiopeople
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 =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint\Apoint.exe
O4 - HKLM\..\Run: [PSQLLauncher] "C:\Program Files\Protector Suite QL\launcher.exe" /startup
O4 - HKLM\..\Run: [IgfxTray] C:\Windows\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\Windows\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\Windows\system32\igfxpers.exe
O4 - HKLM\..\Run: [NvSvc] RUNDLL32.EXE C:\Windows\system32\nvsvc.dll,nvsvcStart
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: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [StartupDelayer] "C:\Program Files\r2 Studios\Startup Delayer\Startup Launcher.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\RunOnce: [Malwarebytes' Anti-Malware] C:\Program Files\Malwarebytes' Anti-Malware\mbamgui.exe /install /silent
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'NETWORK SERVICE')
O4 - Global Startup: Bluetooth Manager.lnk = ?
O4 - Global Startup: w98Eject.lnk = C:\Windows\system\w98eject.exe
O8 - Extra context menu item: Transfer by Image Converter 3 - C:\Program Files\Sony\Image Converter 3\menu.htm
O9 - Extra button: @C:\Windows\WindowsMobile\INetRepl.dll,-222 - {2EAF5BB1-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
O9 - Extra button: (no name) - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
O9 - Extra 'Tools' menuitem: @C:\Windows\WindowsMobile\INetRepl.dll,-223 - {2EAF5BB2-070F-11D3-9307-00C04FAE2D4F} - C:\Windows\WindowsMobile\INetRepl.dll
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O13 - Gopher Prefix:
O16 - DPF: {02CF1781-EA91-4FA5-A200-646E8241987C} (VaioInfo.CMClass) - http://esupport.sony.com/VaioInfo.CAB
O16 - DPF: {0FB028C2-2704-40F6-A983-2A2405027A19} (DropSlot Control) - https://epresent.sungard.com/ws/dropslot.cab
O16 - DPF: {67DABFBF-D0AB-41FA-9C46-CC0F21721616} (DivXBrowserPlugin Object) - http://download.divx.com/player/DivXBrowserPlugin.cab
O16 - DPF: {87BE3784-6977-4E84-AA08-55A96B9CEAC5} (Bl_camera Control) - http://doggiecam.darktech.org/bl_camera.cab
O16 - DPF: {E06E2E99-0AA1-11D4-ABA6-0060082AA75C} (GpcContainer Class) - https://interactivebrokers.webex.com/client/T26L/nbr/ieatgpc1.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{E7A489D4-BB5C-4774-8596-0121C03EDF01}: NameServer = 10.177.0.34 10.163.140.242
O23 - Service: a-squared Free Service (a2free) - Emsi Software GmbH - C:\Program Files\a-squared Free\a2service.exe
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: Image Converter SCSI Service (ICScsiSV) - Sony Corporation - C:\Program Files\Sony\Image Converter 3\ICScsiSV.exe
O23 - Service: IcVzMonLauncher - Sony Corporation - C:\Program Files\Sony\Image Converter 3\IcVzMonLauncher.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Image Converter video recording monitor for VAIO Entertainment - Sony Corporation - C:\Program Files\Sony\Image Converter 3\IcVzMon.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: IviRegMgr - InterVideo - C:\Program Files\Common Files\InterVideo\RegMgr\iviRegMgr.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: PACSPTISVR - Unknown owner - C:\Program Files\Common Files\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Intel(R) Sample Collector (SampleCollector) - Intel Corporation - C:\Program Files\Sony\VAIO Care\collsvc.exe
O23 - Service: SlingAgentService - Sling Media Inc. - C:\Program Files\Sling Media\SlingAgent\SlingAgentService.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: SigmaTel Audio Service (STacSV) - SigmaTel, Inc. - C:\Windows\system32\stacsv.exe
O23 - Service: TOSHIBA Bluetooth Service - TOSHIBA CORPORATION - C:\Program Files\Toshiba\Bluetooth Toshiba Stack\TosBtSrv.exe
O23 - Service: VAIO Event Service - Sony Corporation - C:\Program Files\Sony\VAIO Event Service\VESMgr.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe
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