this is illegal, dont use
its also a virus, and if you delete it it deletes your minecraft data
there are other cracked launcher alternatives like sklauncher
https://skmedix.pl/sklauncher/downloads
theres was one that started with L but i frogot it D:
i myself have to use a cracked launcher since my account is hacked by someone using rambler.ru email
edit:
the one which starts with L is salwyrr launcher
its pretty good