What Are The Harmful Effects Of Virus On A Computer?

How are viruses treated?

For most viral infections, treatments can only help with symptoms while you wait for your immune system to fight off the virus.

Antibiotics do not work for viral infections.

There are antiviral medicines to treat some viral infections.

Vaccines can help prevent you from getting many viral diseases..

What kills a virus in your body?

A special cell of the immune system called a T cell circulates looking for infections. One type of T cell is called a cytotoxic T cell because it kills cells that are infected with viruses with toxic mediators.

How do viruses die?

Strictly speaking, viruses can’t die, for the simple reason that they aren’t alive in the first place. Although they contain genetic instructions in the form of DNA (or the related molecule, RNA), viruses can’t thrive independently. Instead, they must invade a host organism and hijack its genetic instructions.

What are the top 5 computer viruses?

With all that in mind, we’ve put together our list of the top computer viruses.Conficker. First discovered in 2008, Conficker, which had many aliases, including Downup, Downadup, and Kido is a worm that targets Windows operating systems. … ILOVEYOU. … Morris Worm. … Mydoom. … Stuxnet. … CryptoLocker. … Sasser & Netsky. … Anna Kournikova.More items…•

How do computer viruses affect society?

It is a fact that computer viruses cause great damage because they can pass from one computer to another like a biological virus, thus infecting the system. … Nonetheless, all hackers can be seen as dangerous and harmful, being indifferent to the consequences of spreading viruses to themselves and to others.

How do viruses work in the body?

It invades a cell, inserts its DNA and creates thousands of copies of itself, bursts through the cell membrane, killing the cell, and each new viral strand invades new cells replicating the process. In the lysogenic cycle, viruses remain dormant within its host cells. The virus may remain dormant for years.

How do viruses leave the body?

Mucus is designed to trap offending viruses, which are efficiently and quickly expelled from the body through coughing and sneezing. Fever—Fevers fight influenza viruses. Because viruses are sensitive to temperature changes and cannot survive above normal body heat, your body uses fever to help destroy them.

How do you know if there’s a virus in your computer?

If you notice any of the following issues with your computer, it may be infected with a virus:Slow computer performance (taking a long time to start up or open programs)Problems shutting down or restarting.Missing files.Frequent system crashes and/or error messages.Unexpected pop-up windows.More items…•

What a virus is and its possible effects?

A virus operates by inserting or attaching itself to a legitimate program or document that supports macros in order to execute its code. In the process, a virus has the potential to cause unexpected or damaging effects, such as harming the system software by corrupting or destroying data.

How can I prevent malware on my computer?

How to prevent malwareKeep your computer and software updated. … Use a non-administrator account whenever possible. … Think twice before clicking links or downloading anything. … Be careful about opening email attachments or images. … Don’t trust pop-up windows that ask you to download software. … Limit your file-sharing.More items…

How can a virus infect your computer?

How does a computer virus find me?Sharing music, files, or photos with other users.Visiting an infected website.Opening spam email or an email attachment.Downloading free games, toolbars, media players and other system utilities.Installing mainstream software applications without thoroughly reading license agreements.

How do hackers use viruses?

Many hackers want to slip a virus on your computer. Once installed, a virus can record everything you type and send it back to the hacker. It can send out spam e-mail or attack other computers. To do this, the hackers disguise the virus as something harmless.

How can you prevent viruses?

Measures to takeAlways keep your hands clean. … Follow tips for Coughing and sneezing without contaminating.Avoid touching your nose, eyes and mouth with unwashed hands. … Avoid touching your nose, eyes and mouth. … Avoid contact with people that are sick as they may be contagious.More items…•

How do I clear a virus from my computer?

If your PC has a virus, following these ten simple steps will help you to get rid of it:Step 1: Download and install a virus scanner. … Step 2: Disconnect from internet. … Step 3: Reboot your computer into safe mode. … Step 4: Delete any temporary files. … Step 5: Run a virus scan. … Step 6: Delete or quarantine the virus.More items…