The developer of Flyby11 though has added that Microsoft Defender flags the app as PUA or potentially unwanted application. The app is now flagged as PUA:Win32/Patcher by Microsoft Defender.

The PUA/PUP is a credible threat that certainly warrants action even though it is not a virus or malware. If your Windows computer has been infected by CandyOpen, you can try our 4-step removal ...