This is a common error on bitcoin clients that have built in miners.
For your virus concern, know that this is an issue with Anti-Virus programs detecting it as a virus. It's a false positive. Bitcoin and ALL other altcoins have the exact same thing.
Read here:
https://github.com/bitcoin-dot-org/bitcoin.org/issues/1472Extract "That's called a false positive. Many AV's flag Bitcoin Core and related software as a trojan because it looks for a wallet.dat file. This is what it is supposed to do as it is the creator of the wallet.dat file and uses it."
- Mike
Yes, my McAfee antivirus put the file on quarantine, i had to restore it and then turn off real time scanning for 15 minutes and then installed without trouble.
Thank you for the explanation