Promotions featuring a 90-day trial key do occasionally exist. These are typically created through official partnerships with hardware manufacturers, banks, or technology magazines. Why Public 90-Day Keys Frequently Fail

As the ransomware tried to execute, Kaspersky immediately flagged the process. A sharp, red notification popped up, blocking the application. It quarantined the threat before it could spread beyond the initial download folder. The encryption stopped.

“Your 90-day trial ends in six hours. After that, the backdoor self-destructs. Every trace of me, gone. But the folder will remain. So, Alexei: do you want to be a good guy with an expired license? Or a real one with a target on his back?”

: The application will connect to Kaspersky Support servers to verify the trial has not been used on that device before.