The error message “To run this application, you first must install one of the following versions of the .NET Framework” ...

The victim clicks on the shared link and downloads the malicious APK (outside the Play Store), and when installed, the app asks for dangerous permissions ...

Press Windows + I to open Settings. Go to Apps > Installed Apps. In the search bar, type Cortana. When Cortana appears in the list, click the three-dot menu beside it. Select Uninstall and confirm ...