: Users were frequently prompted to download this file from adobe.com to keep their plugins up to date and secure [22].

Files are locked/encrypted for ransom (e.g., ) [1]. Spyware/Backdoor install_flash_player.exe

The file install_flash_player.exe has two identities: for decades, it was the official gateway to the internet's most popular games and videos, but in its later years, it became one of the most dangerous masks used by cybercriminals. 1. The Official Legacy (The "Get Flash" Era)