Yes, but make sure it's real
What is “csrss.exe” explained!
You may not realize it, but right now there are a bunch of hidden system processes running in the background of your Windows PC (if you’re using one). They allow you to view this page, tell you the time, alert you to your latest email, update your PC, and more, all without you having much (or any) interaction with them.
However, if you look at your Windows Task Manager, you might be surprised by the number of system processes running that you are not familiar with. One example is csrss.exe. If you are wondering what exactly csrss.exe is, don't worry: it is not a virus. Here is everything you need to know about the Windows process csrss.exe.
A quick Google search will yield many articles with clickbait titles asking the question whether or not csrss.exe is a virus. As we said, csrss is a normal Windows system process and perhaps one of the most important system processes you've never heard of. So no, it's not a virus, but it can be spoofed (as we'll explain).