MalwareBytes has detected numerous registration keys for Mindspark.A and quarantined them.
Is Mindspark.A a virus or Malware; how significant are it's conseequences, how to remove completely and does it keep returning?
It's one of those PUP/Adware nuisance programs.
Suggest you see this step by step free removal guide from Malwaretips:
New link, January 2018:
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