O23 - Service: GhostStartService - Symantec Corporation - D:\PROGRA~1\Symantec\NORTON~1\GHOSTS~2.EXE
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - rising - C:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\PROGRAM FILES\RISING\RAV\Ravmond.exe
O23 - Service: ScriptBlocking Service (SBService) - Unknown owner - (no file)
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Unknown owner - (no file)

如何清除它呢！它的注册表上是哪一项服务呢？