Below's my hijack this log file after all (hidden files are visible). Please help me restore my desktop.
Logfile of HijackThis v1.99.1
Scan saved at 18:20:40, on 17.06.2005
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)
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:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\Explorer.EXE
C:\MATLAB6p5\webserver\bin\win32\matlabserver.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\RunDll32.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Microsoft AntiSpyware\gcasServ.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\WINDOWS\System32\ctfmon.exe
C:\WINDOWS\System32\win32.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Messenger\msmsgs.exe
C:\Hijack This\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.bilkent.edu.tr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.bilkent.edu.tr/
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Acrobat\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: CNavExtBho Class - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [ccRegVfy] "C:\Program Files\Common Files\Symantec Shared\ccRegVfy.exe"
O4 - HKLM\..\Run: [nsqquhwyq] C:\WINDOWS\System32\qmrcev.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [System] C:\WINDOWS\System32\kernels32.exe
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [Windows installer] C:\winstall.exe
O4 - HKCU\..\Run: [wupd] C:\WINDOWS\System32\win32.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - Global Startup: Acrobat Assistant.lnk = C:\Program Files\Adobe\Acrobat 5.0\Distillr\AcroTray.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: Backward Links - res://c:\program files\google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\program files\google\GoogleToolbar1.dll/cmcache.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Shorten URL - http://www.cjb.net/menuext.html
O8 - Extra context menu item: Similar Pages - res://c:\program files\google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Translate into English - res://c:\program files\google\GoogleToolbar1.dll/cmtrans.html
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\MSMSGS.EXE
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O15 - Trusted Zone: *.slotchbar.com (HKLM)
O15 - Trusted Zone: *.ysbweb.com (HKLM)
O15 - Trusted IP range: 67.19.178.84 (HKLM)
O16 - DPF: {0FC8B38E-9293-424C-9D0E-CE60775679CF} (SubClassEditCtrlContainer Class) - https://sube.garanti...EditControl.CAB
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai...all/xscan53.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoft.../as5/asinst.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{2F2661C6-C0BF-45FF-8FED-DC37B9B93F22}: Domain = ef.bilkent.edu.tr
O17 - HKLM\System\CCS\Services\Tcpip\..\{2F2661C6-C0BF-45FF-8FED-DC37B9B93F22}: NameServer = 209.47.15.118,64.157.143.38,139.179.10.13,139.179.30.24
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: SearchList = ef.bilkent.edu.tr,bcc.bilkent.edu.tr
O17 - HKLM\System\CS1\Services\Tcpip\..\{2F2661C6-C0BF-45FF-8FED-DC37B9B93F22}: Domain = ef.bilkent.edu.tr
O17 - HKLM\System\CS1\Services\Tcpip\..\{2F2661C6-C0BF-45FF-8FED-DC37B9B93F22}: NameServer = 209.47.15.118,64.157.143.38,139.179.10.13,139.179.30.24
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: SearchList = ef.bilkent.edu.tr,bcc.bilkent.edu.tr
O17 - HKLM\System\CS2\Services\Tcpip\..\{2F2661C6-C0BF-45FF-8FED-DC37B9B93F22}: Domain = ef.bilkent.edu.tr
O17 - HKLM\System\CS2\Services\Tcpip\..\{2F2661C6-C0BF-45FF-8FED-DC37B9B93F22}: NameServer = 209.47.15.118,64.157.143.38,139.179.10.13,139.179.30.24
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: SearchList = ef.bilkent.edu.tr,bcc.bilkent.edu.tr
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation Service (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: MATLAB Server (matlabserver) - Unknown owner - C:\MATLAB6p5\webserver\bin\win32\matlabserver.exe
O23 - Service: Norton AntiVirus Auto Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe