No day malware is a type of malware that is not yet understood to the public or to anti-viruses software suppliers. Once the vulnerability is made public, the software vendor can develop a patch to repair it.
There are several kinds of no day malware, but the most common is probably the "absolutely no day trojan" or "zero day worm". These types of malware are created to spread rapidly and infect as numerous computer systems as possible. They often make use of weaknesses in email programs or social networking sites to spread.
No day malware can be extremely hard to identify and remove. like it Even if you have antivirus software application set up, it might not be able to spot and eliminate the malware if it is not yet known to the software. It is best to take it to an expert for aid if you believe your computer may be contaminated with zero day malware.