Zero day malware is a kind of malware that is not yet understood to the public or to antivirus software application vendors. It makes use of a previously unknown software vulnerability. As soon as the vulnerability is revealed, the software vendor can create a spot to fix it. By that time, the damage may have currently been done.
There are many different kinds of zero day malware, but the most common is most likely the "no day trojan" or "absolutely no day worm". These kinds of malware are developed to spread out quickly and contaminate as numerous computers as possible. https://heathergreenphoto.com/?p=1210 They frequently exploit weak points in email programs or social networking websites to spread.
Absolutely no day malware can be very tough to detect and remove. Even if you have antivirus software installed, it might not have the ability to spot and remove the malware if it is not yet known to the software. If you believe your computer may be infected with zero day malware, it is best to take it to a professional for assistance.