The only true "paranoid" approach is to assume that any crack, keygen, or repack is malware until proven otherwise. And since you cannot prove a negative (you cannot "prove" a repack is clean), the rational, paranoid action is to avoid them entirely.
You do not need to risk your system's safety with untrusted cracks. The security community thrives on open-source and free utilities. Use Official and Open-Source Tools paranoid checker crack repack
Many crackers use "packers" and "protectors" to hide malicious code from traditional antivirus software (like Windows Defender), making basic scans ineffective. Safe Alternatives to Using Cracked Software The only true "paranoid" approach is to assume
Cracked software does not receive critical security patches. paranoid checker crack repack