scvhost.exe - NTSF Microsoft System

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Hi,

Can anyone help me with this issue. A file by name scvhost.exe is
continuously accessing internet is also slowing down the system. The key is
mentioned under HKLM/Currentversion/Run & Runservices as "scvhost.exe - NTSF
Microsoft System". Is this a bug? How to clear this. Thanks for your help.
Siyer

.