|I have 5 of them in my XP Home ---normal|
Svchost.exe is in this folder
This web site breaks EXE down to tell you which XP Service has a Svchost running ---
Task List Programs
I have eliminated one of my 5 Svchost by changing DNS Client Service to Manual Startup type.
Here you can find out which XP Services you really need running ---
Information about XP Services
OOPS --- I did not look at your spelling, SVC vs SCV
NOTE this --
You have the Backdoor.Sdbot.N virus, or one of the Gaobot viruses, or one of the many other viruses which drop SCVHOST.EXE (not to be confused with SVCHOST further down this page).
That is from Task List Programs website.
Most Virus and Spyware scans are likely to work better in Windows Safe-Mode.