I really need help ASAP

[temon]

Today I m was browsing throu the forums etc etc, I downloaded some configs, etc.. and when i turned off my laptop I recive a message from a Redeemer Ransomware, which apparently I installed in my computer. So this Redeemer Ransomware is a redeemer made by idk who whici is on darkweb apparently free, whatever, so all my files are encrypted the extensions are .redeem, also I can’t acces any applications , google etc. So if anyone knows how to remove thie malware and recover my files from pc, help me pleasee!