Some examples of computer viruses include the Storm Virus, Sasser Virus and Melissa Virus. A computer virus is a program that causes some sort of harmful activity to a computer and then attempts to replicate and spread itself to other computers.
What are the four types of computer viruses?
The computer infections can be chiefly divided into four main classes as viruses, worms, Trojan horses, and E-mail viruses. Viruses are the types of computer infections that attach themselves to various programs in the computer without altering data. One of the examples of such virus is that attached to the windows explorer.
How can I tell if my computer has a virus?
The only way to know for sure whether your PC has a virus or some other form of malware is to run a thorough series of scans with multiple trusted anti-malware engines. But that being said, there are other forms of malware in addition to viruses and trojans that cause problems with your system that are easy to recognize.
What is the most common computer virus?
There are different kinds of computer viruses: Probably the most common form is the macro-virus or script virus. Such viruses are programmed with the script function which is present in many text processing systems and spreadsheets; or with general “script” functionality of a program.
Given below are a few examples of a computer virus: 1 Storm Worm 2 CryptoLocker 3 Slammer 4 Creeper 5 Netsky More
How many computers were affected by the WannaCry virus?
The computer would also copy passwords and then send them back to the virus authors. This was potentially catastrophic for large corporations and governments. Spreading to roughly 50 million computers in just 10 days, it caused the CIA, Pentagon and a host of large corporations to shut their email systems down.
What is the Ramones virus and how does it work?
Created by Filipino programmers Reonel Ramones and Onel de Guzman, this virus infected computers through email. It appeared as a love confession for the recipient. Once people clicked on the attachment, it immediately sent itself out to everyone in the user’s email list, as well as overwriting files and making the computer completely unbootable.
What is an example of a web scripting virus?
Examples: DDoS, JS.fornight Can affect: Any web page by injecting hidden code in the header, footer, or root access file A web scripting virus breaches web browser security, allowing attackers to inject client-side scripting into the web page. It propagates quite faster than other conventional viruses.