What will PUP.Optional.Vosteran.A do to your PC?
Firstly, it will infiltrate into your PC in a unfair way without letting you know. Then it may alter settings of your system or browsers. You may find that your PC runs like a snail. It takes years to get access to programs or websites you want to start. What's more, it may give access to other infections like malware, adware, spyware and so on. The worst thing is that it will collect your online history and send it to the commercial companies to get profits.