One student’s anecdote (hypothetical but realistic): “I used QuackPrep’s ‘official’ practice tests for the NCLEX. Real exam had completely different question formats. I failed by 15 points.”

Unlike legitimate test prep sites that run entirely in a browser, QuackPrep.orgt asks users to download a proprietary desktop application (named QuackPrep_Installer.exe ) to access "advanced analytics." Security scans from VirusTotal show that this executable contains known adware and, in some versions, a keylogger designed to capture login credentials for banking and email.