Sa58 ransomware removal [.Sa58 file virus].

Note that Combo Cleaner Antivirus does not decrypt files initially encrypted by ransomware. It helps to delete the ransomware-type infection and protects your data from ransomware attacks in the future, however, it does not decrypt the files already damaged by the ransomware.

And below please find the quotation from the ransom note:
QUOTE
Sad to say, but all your files have been encrypted!

But don't cry, there's the way to recover them - pay 500$ in BTC to this wallet:
3J98t1WpEZ73CNmQviecrnyiWrnqRhWNLy

You have 24 hours. After them your files will stay unaccessible for next eternity.
UNQUOTE