Files with lol! file extension can be found as encrypted and renamed archives affected by the as GPCode ransomware.
LOL! file extension - GPCode ransomware affected data
What is lol! file? How to open lol! files?
File type specification:
The lol! extension seems to be used by one of the variants of GPCode ransomware which plagues users for years.
Much like any similar ransomware, this one also encrypts and renames various files and leaves a text file with ransom demands.