Understanding how a computer virus works and spreads

Unsuspecting online users may become infected with computer viruses, trojans and also ransomware from intentionally malicious websites and also websites that have been compromised. Most people are inclined to believe a message that comes from a completely unsubstantiated source and then pass it on to others.

Keep in mind that smart phones are just tablet personal computers that we can make telephone calls on. Creating a virus is a little like that -- it creates a virtual bomb inside a computer, and the more computers that get infected, the more "fun" the explosion.

They are tiny programmes that perform simple although sometimes destructive tasks when executed. This is called cryptovirology. The mere thought conjures up devastation and turmoil and can get your imagination rolling.

Businesses, financial institutions, government agencies, academic institutions and other organizations can and have been infected with ransomware. In any case the virus lies dormant until it is actually executed. Make sure that you are using the latest versions of Office and that you have macro security set to high — this will eliminate all macro viruses.

Its creator later posted the source code to Usenetallowing researchers to see how it worked. Attaching itself to a system file or some other file on the hard drive.

For example, a virus might attach itself to a program such as a spreadsheet program.

How Viruses Spread

By AllBusiness Editors In: Some viruses can be much more serious, however, threatening to destroy data or even erase your entire hard drive. People who mindlessly forward the message on without any consideration of whether the warning is valid then perpetuate the hoax.

For more information on the prevalence of viruses, visit http: Forcing a large company to waste thousands of hours cleaning up after a virus attack is real damage.

Of course this makes no sense at all and is completely irrational, but that is how most people react to a hoax message. It's very irritating to download a program that you think will help keep your computer data safe, when in fact the fake anti-virus software that you download and install is actually exactly what you're trying to protect yourself against.

Computer Virus- Anatomy of a Virus.

How Do Computer Viruses Spread?

What is a computer Virus and how do they work? Viruses can create a technological holocaust for millions of computers around the world. Businesses fret over the potential for a catastrophic meltdown of networks. With the help of modern telecommunications and the rapid growth of the personal computer in the average household we are able to talk to and share information wit It.

How Viruses Spread. There are several methods that viruses can use to spread. They take advantage of a weaknesses in computer programs or people.

Understanding Computer Viruses

They may spread several ways. on the infected system such as a backdoor or hacker tool which may be used by a hacker to get control of the infected computer. Virus Recognition Time Period. There are numerous ways that computer viruses are spread from one computer to another.

And a great deal of computer users lack a clear understanding of how computer viruses are spread. both online and offline. A computer virus is a type of malicious software that, when executed, replicates itself by modifying other computer programs and inserting its own code.

When this replication succeeds, the affected areas are then said to be "infected" with a computer virus.

Oct 18,  · This video shows how one type of malware can get onto a computer and what can be done with it. There are tens of thousands of different types of.

Computer virus Understanding how a computer virus works and spreads
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How to Create a Virus: 9 Steps (with Pictures) - wikiHow