Absolutely no day malware is a kind of malware that is not yet understood to the anti-virus software application. This type of malware makes the most of recently discovered software vulnerabilities in order to infect systems. Due to the fact that it is not yet recognized by anti-virus software application, Zero day malware is tough to detect and remove. The most typical type of no day malware is a trojan horse. This Site A trojan horse is a type of malware that disguises itself as a safe program in order to acquire access to a system. As soon as a trojan horse has accessed to a system, it can carry out malicious actions, such as stealing delicate information or releasing attacks against other systems.