Question: What Is A Computer Virus And Types Of Virus?

Who made the I Love You virus?

Onel De GuzmanIt all started in the Philippines many hours earlier when 24-year-old Onel De Guzman released a virus that he had proposed creating as part of his undergraduate thesis.

The key part of the virus was not any technical trick but the wording of the subject line – ILOVEYOU – and its attachment LOVE-LETTER-FOR-YOU..

Which is the first computer virus in the world?

The first computer virus, called “Creeper system”, was an experimental self-replicating virus released in 1971. It was filling up the hard drive until a computer could not operate any further. This virus was created by BBN technologies in the US.

What is Computer Virus explain?

Definition: A computer virus is a malicious software program loaded onto a user’s computer without the user’s knowledge and performs malicious actions. … It can self-replicate, inserting itself onto other programs or files, infecting them in the process. Not all computer viruses are destructive though.

What are the top 5 computer viruses?

Top 5 Most Destructive Computer Viruses of All Time#1 ILOVEYOU. This is one of the first major, and still most damaging, computer virus ever created. … #2 Melissa. This virus was created by David L. … #3 Code Red. … #4 Sobig Worm (Sobig. … #5 Mydoom. … How can you protect yourself?

What are the types of virus and antivirus?

All the different kinds of viruses and the antivirus protection against themTrojan Horse. Just as the name suggests, this malware comes in the form of something warm and fuzzy such as an e-card or an advertisement. … Virus. … Worm. … Spyware. … Rootkit. … Protect Yourself.

What are 3 types of viruses?

What are the types of virus?Boot Sector Virus.Direct Action Virus.Resident Virus.Multipartite Virus.Polymorphic Virus.Overwrite Virus.Spacefiller Virus.

Are viruses the first form of life?

Virus-first hypothesis: Viruses evolved from complex molecules of protein and nucleic acid before cells first appeared on earth. By this hypothesis, viruses contributed to the rise of cellular life. This is supported by the idea that all viral genomes encode proteins that do not have cellular homologs.

The 8 Most Famous Computer Viruses of All TimeCryptoLocker. When it comes to malware, ransomware is the new kid on the block. … ILOVEYOU. While ILOVEYOU sounds like a cheerful bon mot you might find printed on the inside of a Valentine’s Day card, it’s actually far, far more sinister than that. … MyDoom. … Storm Worm. … Anna Kournikova. … Slammer. … Stuxnet.

How many types of virus are there in computer?

7 Types of Computer Viruses to Watch Out For and What They Do. The types of computer virus, or malware, are many.

Are viruses alive *?

So were they ever alive? Most biologists say no. Viruses are not made out of cells, they can’t keep themselves in a stable state, they don’t grow, and they can’t make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.

How do you kill a virus in your body?

Our bodies fight off invading organisms, including viruses, all the time. Our first line of defense is the skin, mucous, and stomach acid. If we inhale a virus, mucous traps it and tries to expel it. If it is swallowed, stomach acid may kill it.

Where is viruses found?

Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. The study of viruses is known as virology, a subspeciality of microbiology. When infected, a host cell is forced to rapidly produce thousands of identical copies of the original virus.