So if you are a musician like me, you should beware of a site of pianofiles . com.
It is about number three on Goggle, but upon click, the virus completely bypasses Avast and downloads into your System32.
It is called prunnet.exe. It looks like legit file, but when scanned, it THEN pops up as a virus.
Avast CANNOT delete this file, chest, or delete on reboot.
It quickly downloads tons of more viruses, overloads Avast, and then shuts down your computer.
On restart, it messes with your kernels, and the Blue Screen of Death Pops up.
Another file to look out for is Kavo.exe.
It is a cloaked malware, and Avast picks it up AFTER it is on your computer.
Here are some more you should look out for. Most of them Malware:
The above are the ones I can't get off my computer also.