removal of virus software

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 11:00:21 AM, on 8/14/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Boot mode: Normal

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\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\McAfee\VirusScan Enterprise\SHSTAT.EXE
C:\Program Files\McAfee\Common Framework\UdaterUI.exe
D:\Softwares\BLUETOOTH\BTTray.exe
C:\Program Files\McAfee\Common Framework\McTray.exe
D:\Softwares\BLUETOOTH\bin\btwdins.exe
C:\Program Files\Common Files\LightScribe\LSSrvc.exe
C:\Program Files\McAfee\Common Framework\FrameworkService.exe
D:\SOFTWA~1\BLUETO~1\BTSTAC~1.EXE
C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
C:\Program Files\Common Files\Microsoft Shared\VS7Debug\mdm.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Yahoo!\Messenger\ymsgr_tray.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation. - D:\Softwares\BLUETOOTH\bin\btwdins.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: McAfee Framework Service (McAfeeFramework) - McAfee, Inc. - C:\Program Files\McAfee\Common Framework\FrameworkService.exe
O23 - Service: McAfee McShield (McShield) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\Mcshield.exe
O23 - Service: McAfee Task Manager (McTaskManager) - McAfee, Inc. - C:\Program Files\McAfee\VirusScan Enterprise\VsTskMgr.exe
O23 - Service: My Web Search Service (MyWebSearchService) - MyWebSearch.com - C:\PROGRA~1\MYWEBS~1\bar\1.bin\mwssvc.exe

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End of file - 2242 bytes
how can i get rid of this.my net is also stopped.iwant to remove this and clean my computer.answer me quickly please

Please download and run this tool.

Download Malwarebytes' Anti-Malware from Here

Double Click mbam-setup.exe to install the application.

• Make sure a checkmark is placed next to Update Malwarebytes' Anti-Malware and Launch Malwarebytes' Anti-Malware, then click Finish.
  
• If an update is found, it will download and install the latest version.
  
• Once the program has loaded, select "Perform Quick Scan", then click Scan.
  
• The scan may take some time to finish,so please be patient.
  
• When the scan is complete, click OK, then Show Results to view the results.
  
• Make sure that everything is checked, and click Remove Selected.
  
• When disinfection is completed, a log will open in Notepad and you may be prompted to Restart. (See Note)
  
• The log is automatically saved by MBAM and can be viewed by clicking the Logs tab in MBAM.
  

Note:
If MBAM encounters a file that is difficult to remove, you will be presented with 1 of 2 prompts.
Click OK to either and let MBAM proceed with the disinfection process.
If asked to restart the computer, please do so immediately.

Post the contents of the MBAM Log.