Not to worry. I have 6 svchost.exe's running right now, myself, and I scan nightly with Nod32 and Spybot, and about once a week with Ad-Aware. None of those have picked anything up, As long as they're in the system32 folder (I think that's what it is), then I believe you're fine.
Laptop: MSI GT70 2OC-059us | i7-4700MQ | 16GB | GTX 770m | 500GB SSD / 750GB HDD | 17.3" | Win10 Pro
Desktop: 4690k | 12GB g.Skill RipJaws | GTX 970 | 520hx | Z87X-UD4H | Corsair Vengeance C70 | Corsair H110 | Acer 25" | Acer 22" | Win10
Mobile: Samsung Galaxy Note 5
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