Ensure no unauthorized changes were made to your recovery email.
"Checker" or "Keker" files often contain ransomware (like the Syrk virus) or stealer Trojans that compromise your personal data.
From a different, clean device , change your Epic Games password and enable Two-Factor Authentication (2FA) .
Immediately unplug your ethernet or turn off Wi-Fi.
These tools frequently ask for your Epic Games login to "check" skins, which hackers then use to hijack and sell your account.
If you want to view your Fortnite stats or skins safely, use these official or trusted methods: