LambdaLocker is the name of a ransomware cryptovirus which is not game themed.
However, it encrypts files and gives them the extension ".lambda_l0cked" in their names.
Can the Lambda symbol be a sign of a Half-Life themed ransomware?

In actuallity, nothing hints to that and the ransomware is primarily targeting Chinese users.

To read more about it, visit the corrsesponding article about LambdaLocker Ransomware.

Kind Regards,
Execute