How does absolutely no day malware differ from standard malware?

Zero day malware, likewise known as zero hour malware or absolutely no day attacks, is a kind of malware that benefits from a formerly unidentified software application vulnerability. Attackers who are able to exploit these vulnerabilities can get to a system or network with no detection.  https://islamhood.org/?p=1195 This makes absolutely no day malware a major hazard to companies and people alike.

Standard malware, on the other hand, is malware that is popular and has been around for some time.  https://scarabnet.org/?p=495 Although traditional malware can still be unsafe, it is not as tough or sneaky to discover as absolutely no day malware.