.LOL! File

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.

How to open:

As far as we know, this particular ransomware was never 100% successfully decrypted.

How to convert:

Not meant to be converted to anything else, at best you can recover the original files.