Its been stated ad nauseum that AV programs are dumb.... They will flag items they haven't seen before because they are omnipresent and know everything(/sarcasm off). That said this entire community is running the same files you are with the addition of the 5, and there isn't any malware on any of my three computers that have P99 installed.
TL
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Dumb AV hasn't seen these files enough to know if they are malicious or not, so it says they are as a CYA method....