张萱妍2017:求助,我的电脑中了backdoor.gpigeon.tid病毒,该怎么杀?

用hijackthis扫描的进程如下,后面我不知该怎么办了?
Logfile of HijackThis v1.99.1
Scan saved at 17:17:44, on 2006-5-12
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:\Program Files\rising\Rav\CCenter.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\rising\Rav\Ravmond.exe
c:\program files\rising\rfw\rfwsrv.exe
C:\WINDOWS\System32\brsvc01a.exe
C:\WINDOWS\System32\brss01a.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\rising\Rav\RavStub.exe
C:\WINDOWS\SYSTEM32\RUNDLL32.EXE
C:\Program Files\ewido\security suite\ewidoctrl.exe
C:\Program Files\ewido\security suite\ewidoguard.exe
C:\WINDOWS\Explorer.EXE
c:\program files\rising\rfw\RfwMain.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\Yahoo!\ASSIST~1\YLive.exe
C:\PROGRA~1\Yahoo!\Assistant\yassistse.exe
C:\Program Files\rising\Rav\RavTask.exe
C:\Program Files\rising\Rav\Ravmon.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\rising\Rav\RsAgent.exe
C:\WINDOWS\msagent\AgentSvr.exe
D:\工作\软件\进程扫描\HijackThis.exe