帮忙找一下哪个是病毒
O23 - Service: PCTEL Speaker Phone (Pctspk) - PCtel, Inc. - C:\WINDOWS\system32\pctspk.exe
O23 - Service: Rising Process Communication Center (RsCCenter) - rising - E:\PROGRAM FILES\RISING\RAV\CCENTER.EXE
O23 - Service: RsRavMon Service (RsRavMon) - Beijing Rising Technology Co., Ltd. - E:\PROGRAM FILES\RISING\RAV\Ravmond.exe
O23 - Service: svchost - Unknown owner - C:\WINDOWS\svchost.exe