Ethical hackers and cybersecurity professionals use such tools to test the vulnerability of systems they are authorized to test. This practice helps in identifying weaknesses and strengthening the system's defenses.
If you want to study actual malware to understand how it works (for defensive purposes), there are legitimate repositories designed for security researchers: download software terabit virus maker best
With tools like Terabit, a user could check boxes to configure a virus to: Disable the Windows Task Manager and Registry Editor. Melt or flip the screen orientation. Force endless system reboots or blue screens (BSOD). Delete or corrupt specific system files. Spawn endless pop-up messages. download software terabit virus maker best