After I got jumpscared by Shenhe, I left the tab open of the jumpscare screen (the bloody one) and went to browse elsewhat. After a while of browsing, the screen popped back up with a "FOUND YOUUUUUU" notification and a really creepy Raiden Shogun/Ei slowly coming closer. I just wanted to ask if that was a virus or is it part of the coding, cuz I got really scared. I couldn't close it either.
Viewing post in Genshin Impact: Five Nights at Raiden's comments
Yep I also did as well during my first night! After getting my first jumpscare from mommy Lisa, I also left the tab open to fetch my laptop's charger, only to return to Raiden just coming closer as well, before exiting the application, only to see that she's occupied my desktop wallpaper too XD. I thought it was pretty cool though, so I don't think it's a virus. I think it's one of the easter eggs that the description mentioned.