Archives - Antivirus Definition


Types of Malware: What is Rootkit?

A type of malware that opens a permanent “back door” into a computer system. Once installed, a rootkit will allow additional viruses to infect a computer as various hackers find the vulnerable computer exposed and compromise it.

Types of Malware: What is Adware?

A type of software that downloads or displays unwanted ads when a user is online or redirects search requests to certain advertising websites. The term adware is frequently used to describe a form of malware, which presents unwanted advertisements to the user of a computer. The advertisements produced by adware are sometimes in the form […]

Types of Malware: What is Ransomware?

A type of malware that infects a computer and restricts access to it until a ransom is paid by the user to unlock it. Even when a victim pays the ransom amount, the stolen files could remain locked or be deleted by the cybercriminal.

What is Malware?

Malware, short for “malicious software,” includes any software (such as a virus, Trojan, or spyware) that is installed on your computer or mobile device. The software is then used, usually covertly, to compromise the integrity of your device. Most commonly, malware is designed to give attackers access to your infected computer. That access may allow […]

Happy birthday: 31 years to the computer virus

Thirty-one years ago, in a suburb of Pittsburgh, Pa. , a boy in the ninth grade, Richard Skrenta decided it is not enough for him to put glue on lockers of friends or pick on some weaker kid. No, not Skrenta. He wanted to take his antics to a different level. To understand what was […]