Hi Deckard.
I've done what you said (uninstalled McAfee since it expired. Do you think that AVG Free is good enough to secure my system?), and I am still experiencing the same problem.
Here's a new scan since I've uninstalled:
Logfile of HijackThis v1.99.1
Scan saved at 9:40:00 PM, on 10/8/2006
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:\Program Files\Sygate\SPF\smc.exe
C:\PROGRA~1\COMMON~1\Stardock\SDMCP.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\rundll32.exe
C:\progra~1\common~1\instal~1\update~1\issch.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\Program Files\Google\GoogleToolbarNotifier\1.0.720.3640\GoogleToolbarNotifier.exe
C:\Program Files\Privoxy\privoxy.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\HJT\HijackThis.exe
c:\program files\common files\installshield\updateservice\isuspm.exe
C:\Program Files\Common Files\InstallShield\UpdateService\agent.exe
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = 127.0.0.1:8118
R3 - URLSearchHook: (no name) - _{4D25F926-B9FE-4682-BF72-8AB8210D6D75} - (no file)
R3 - URLSearchHook: (no name) - {4D25F926-B9FE-4682-BF72-8AB8210D6D75} - C:\Program Files\MyWaySA\SrchAsDe\1.bin\deSrcAs.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\windows\googletoolbar2.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\windows\googletoolbar2.dll
O4 - HKLM\..\Run: [zsscheduler] rundll32.exe "C:\PROGRA~1\FBMSOF~1\ZEROSP~3\zsscheduler.dll", runScheduler C:\PROGRA~1\FBMSOF~1\ZEROSP~3\
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Sygate\SPF\smc.exe -startgui
O4 - HKLM\..\Run: [ISUSPM Startup] c:\progra~1\common~1\instal~1\update~1\isuspm.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "c:\progra~1\common~1\instal~1\update~1\issch.exe" -start
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\1.0.720.3640\GoogleToolbarNotifier.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: dlbcserv.lnk = C:\Program Files\Dell Photo Printer 720\dlbcserv.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O4 - Global Startup: Privoxy.lnk = C:\Program Files\Privoxy\privoxy.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) -
http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} -
http://download.mcafee.com/molbin/sh...0/mcinsctl.cab
O16 - DPF: {5ED80217-570B-4DA9-BF44-BE107C0EC166} (Windows Live Safety Center Base Module) -
https://scan.safety.live.com/resourc...scbase3401.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) -
http://update.microsoft.com/microsof...?1126049568625
O16 - DPF: {78AEEDE8-7345-4FB5-A8FE-4BFF16EF25FC} (McAfee Virtual Technician Control Class) -
http://mvt.mcafee.com/mvt/bin/3,0,1,0/mvt.cab
O16 - DPF: {7F8C8173-AD80-4807-AA75-5672F22B4582} (ICSScanner Class) -
http://download.zonelabs.com/bin/pro...anner37480.cab
O16 - DPF: {8EDAD21C-3584-4E66-A8AB-EB0E5584767D} -
http://toolbar.google.com/data/GoogleActivate.cab
O16 - DPF: {94B82441-A413-4E43-8422-D49930E69764} (TLIEFlashObj Class) -
http://echat.us.dell.com/Media/Visit.../TLIEFlash.CAB
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) -
http://messenger.msn.com/download/Ms...Downloader.cab
O16 - DPF: {F461205D-ABDC-42FE-B2E2-AFD4600B905E} (MASHControl Class) -
http://www.amiuptodate.com/vsc/mvt/bin/1,0,0,7/mash.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{74D5A311-BF34-4507-96A1-7678F0D4A63C}: NameServer = 192.168.1.254
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: MCPClient - C:\PROGRA~1\COMMON~1\Stardock\mcpstub.dll
O23 - Service: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O23 - Service: d2cs service (d2cs) - Unknown owner - C:\Documents and Settings\Miriam\Desktop\pvpgn-1.8.0rc1\d2csConsole.exe (file missing)
O23 - Service: d2dbs service (d2dbs) - Unknown owner - C:\Documents and Settings\Miriam\Desktop\pvpgn-1.8.0rc1\d2dbsConsole.exe (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: PvPGN service (pvpgn) - Unknown owner - C:\Documents and Settings\Miriam\Desktop\pvpgn-1.8.0rc1\PvPGNConsole.exe (file missing)
O23 - Service: Sygate Personal Firewall (SmcService) - Sygate Technologies, Inc. - C:\Program Files\Sygate\SPF\smc.exe
Thanks very much for your help.