Panda antivirus have found some viruses. I ran norton as well, and Ad-aware and Spybot - Search & Destroy.
Here is the hjt log (windows xp), please have a look and tell me what you think:
Logfile of HijackThis v1.98.2
Scan saved at 19:57:16, on 10/12/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\S24EvMon.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\ZCfgSvc.exe
C:\WINDOWS\System32\1XConfig.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Dell\QuickSet\quickset.exe
C:\WINDOWS\System32\dpmw32.exe
C:\WINDOWS\System32\NWTRAY.EXE
C:\PROGRA~1\Logitech\MOUSEW~1\SYSTEM\EM_EXEC.EXE
C:\PROGRA~1\SYMANT~1\SYMANT~1\vptray.exe
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\Program Files\Windows TaskAd\WinTaskAd.exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\Windows TaskAd\WinSched.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Webroot\Washer\wwDisp.exe
C:\WINDOWS\System32\cusrvc.exe
C:\PROGRA~1\SYMANT~1\SYMANT~1\DefWatch.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\System32\NALNTSRV.EXE
C:\PROGRA~1\SYMANT~1\SYMANT~1\Rtvscan.exe
C:\WINDOWS\System32\RegSrvc.exe
C:\Program Files\VNC\winvnc.exe
C:\WINDOWS\System32\wm.exe
C:\WINDOWS\System32\wuauclt.exe
C:\hijackthis\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.tau.ac.il/
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: Search Relevancy - {1D7E3B41-23CE-469B-BE1B-A64B877923E1} - C:\PROGRA~1\SEARCH~1\SEARCH~2.DLL
O2 - BHO: URLLink Class - {4A2AACF3-ADF6-11D5-98A9-00E018981B9E} - C:\Program Files\NewDotNet\newdotnet6_38.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: (no name) - {E0E899AB-F487-11D5-8D29-0050BA6940E3} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [Dell QuickSet] C:\Program Files\Dell\QuickSet\quickset.exe
O4 - HKLM\..\Run: [PRONoMgr.exe] C:\Program Files\Intel\NCS\PROSet\PRONoMgr.exe
O4 - HKLM\..\Run: [NDPS] C:\WINDOWS\System32\dpmw32.exe
O4 - HKLM\..\Run: [NWTRAY] NWTRAY.EXE
O4 - HKLM\..\Run: [WinVNC] "C:\Program Files\VNC\winvnc.exe" -servicehelper
O4 - HKLM\..\Run: [EM_EXEC] C:\PROGRA~1\Logitech\MOUSEW~1\SYSTEM\EM_EXEC.EXE
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\SYMANT~1\SYMANT~1\vptray.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
O4 - HKLM\..\Run: [Windows TaskAd] C:\Program Files\Windows TaskAd\WinTaskAd.exe
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~2.DLL,NewDotNetStartup -s
O4 - HKLM\..\Run: [OSS] c:\windows\system32\ossproxy.exe -boot
O4 - HKLM\..\Run: [RunDLL] rundll32.exe "C:\WINDOWS\Downloaded Program Files\bridge.dll",Load
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [Window Washer] C:\Program Files\Webroot\Washer\wwDisp.exe /startup
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\OFFICE11\EXCEL.EXE/3000
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: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - (no file)
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
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
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O12 - Plugin for .mid: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin2.dll
O12 - Plugin for .mov: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin.dll
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O16 - DPF: {15AD4789-CDB4-47E1-A9DA-992EE8E6BAD6} - http://static.windupdates.com/cab/ClickYesToContinue/ie/bridge-c7.cab
O16 - DPF: {18D9C485-7EEC-4395-95DA-DC3875B10E81} (TEInstallPlugIn) - http://www.skylinesoft.com/interactive/TerraExplorer/Install/TEInstallPlugIn.cab
O16 - DPF: {205FF73B-CA67-11D5-99DD-444553540006} (CInstall Class) - http://www.errorguard.com/installation/Install.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://by15fd.bay15.hotmail.msn.com/resources/MsnPUpld.cab
O16 - DPF: {83E2158E-2B49-4303-BF86-2C43494A60FD} (routing.addroute) - http://www.012fun.net/routing.ocx
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: {BD8667B7-38D8-4C77-B580-18C3E146372C} (Creative Toolbox Plug-in) - http://ak.imgag.com/imgag/cp/install/Crusher.cab
O16 - DPF: {E7DBFB6C-113A-47CF-B278-F5C6AF4DE1BD} - http://download.abacast.com/download/files/abasetup145.cab