Websites promising a "Cyberduck Keygen" (a program that generates fake keys) are almost exclusively distributing malware. Because Cyberduck is free, attackers know that users looking for a crack have lowered their guard. The files you download will likely contain:
If you simply dislike the "ask" pop-up but refuse to donate, you have other options. However, note that these alternatives are not "free" – they are either freemium or paid: Cyberduck Registration Key
A file with the extension .cyberducklicense is automatically sent to your registered email address. Installation: Websites promising a "Cyberduck Keygen" (a program that