You definitely need to have anti-virus in your laptop, at least a good one and updated so that they will able to caught this malware. Although criminals are always one step ahead, so you also have to be self-aware of their attack vector. Maybe you need to observe that your hardware is somewhat slowing down and acting strange. So that could also be a sign that some malware or virus might have infected your pc already. It's not that 100% though, you still need to just observed and not to click on anything or update your software from unknown source so that the chances are slim that your pc will get any kind of virus or malware or even crypto miner.