求助如何手动删除病毒~瑞星2007每次都查出有这个病毒但是就是无法彻底的清除掉，泪TT

C:\WINDOWS\Explorer.EXE
C:\Program Files\Rising\Rav\RavStub.exe
F:\Downloads\software\Wom\Womcc.exe
C:\Program Files\Thunder Network\Thunder\Thunder.exe

O23 - NT 服务: Rising Process Communication Center (RsCCenter) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\CCenter.exe
O23 - NT 服务: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - C:\Program Files\Rising\Rav\Ravmond.exe
O23 - NT 服务: Windows (Windows_rejoice) - Unknown owner - C:\Program Files\Common Files\Microsoft Shared\MSINFO\je2006_4.exe