IT Tech here, even if anyone does download and run the launcher you can still run an anti-malware and even hard reset the computer or phone, for computers you can go through the command prompt and type this line to run a full scan.
cd C:\ProgramData\Microsoft\Windows Defender\Platform\4.18*
MpCmdRun.exe -Scan -ScanType 2
Most of these viruses are links to install bitcoin miners onto peoples devices and the way they attach to your system is devious because it will attach itself through the Kernal.