Searching for rootkits with chkrootkit return unexpected results

I ran the rootkit program after his suggestion and noticed something on 1 line that said > Searching for Linux.Xor.DDoS ... INFECTED: Possible Malicious Linux.Xor.DDoS installed /tmp/RustDesk/ipc.pid Is there anything to be worried about? Do I have to change something? Or do something to get it fixed? 1. Before trying to remove RustDesk using sudo apt remove RustDesk 2. After running sudo apt remove RustDesk, I noticed 1 more line that said > Checking `lkm'... OooPS, not expected 309900 value > chkproc: Warning: Possible LKM Trojan installed