Hello Eddy,
Thank you for giving interesting reading.
Share information only, avast has had decryption tools are fix, you can open this link https://www.avast.com/ransomware-decryption-tools#.
If there is exposed to the same kind of ransomware that can use it for free decrypt from avast. This tool is very useful to help you all the affected ransomware.
Avast my hope that the team can develop more of the type of ransomware decrypt unknown.

Thanks & Best Regards,
Dominic