Help I think I have a virus?

I have a virus protection program Mcafee and I have done alot of scans the firewall is up all of that But I have this thing on my computer it says its a spyware protection called spyshreder and im not sure how it got on my computer I didnt download it.I think it may be a virus I have deleted it a ton of times and cleaned the spyshredder out with my virus program but every time I restart my computer the spyshredder comes back.So im not sure how to get it off my computer or if its evan a virus please help?

Help I think I have a virus?computer security

honey i wont be going into detals of cleaning the virus bcoz u already know how to do so

ur problem is that virus is coming back

so do one thing before u scan

right click my computer

select properties

in properties select system restore tab

in system restore tab Tick ''disable system restore on all drives''

press ok

now scan

when u are done removing virus

clean ur system restore points

using system restore utility

goto

start-programs-accessories-system tools-disk cleanup

select ur OS drive press ok

when cleanup window comes up

go to more options

go down to system restore section

press cleanup

it will ask '' do u want to clean all ur restore points except the last one''