Inactive "sfh.exe" pops up in the comodo sandbox every few hours

I don't know from whence this varmint came, but I can't find it except in the Comodo Sandbox when the message pops up telling me "I don't have to do anything as it is in the sandbox"

If it isn't needed I would like to remove it. I have run all of the major malware programs and none of them can find it. I searched for it in safe mode and normal mode using Directory Opus 9. It didn't find the file either.

What in the Sam himmel is this thing?
 
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