Good day & yes. Unfortunately I have to give you the answer it is a false positive.

If you go to VirusTotal online, 1 or 2 unheard anti-virus thinks it found something... while pretty much every other anti-virus software says its clean?

At this time in the "new & emerging" crypto coin world there is new technology & how they package the code certain AV's do not like for all coins.

Search more on Google & DD. Keep in mind, all these blockchains/crypto currencies including Sucre are open source.

So, you can review the code and compile it yourself, create you own wallet for any existing coins.

As for your anti-virus you should be able to create an exception for the folder your wallet is in and therefore it would not warn you or block it in the future.