Just to put your mind at ease.  These are highly likely to be false positives.

I downloaded the official bitcoin wallet -- Windows (zip) -- from

https://bitcoin.org/en/download

Then uploaded them to virustotal.com

It claims there are two viruses in the official bitcoin wallet!

https://www.virustotal.com/en/file/be2e92b6cabd6444f752da73c70cb189823ee5b8b04ac1949d08f2b020138c3d/analysis/

Virus.Win32.Xpaj.1!O
W32.HfsAutoA.3709

I think it's more like virustotalcrap.com