If you download kaspersky_offline_installer.exe today and keep it on a USB drive for six months, it becomes dangerous. Why? Because it gives you a false sense of security. You install it, see the green shield, and assume you are safe. In reality, your definitions are 180 days old.
Think of it as a time capsule of security. When you execute it, you aren't just installing the software; you are immediately immunizing the system against millions of known threats that existed up to that specific compilation date. kaspersky standalone installer