Wikipedia computer virus list

The following activities or malfunction will ensure that your computer has compromised by virus:. If your computer has been infected by computer viruses then your computer may be prevented from accessing the antivirus websites. The malicious viruses can modify internet browser settings by adding a Proxy Server and you will be unable to visit any websites. By changing these settings, computer viruses can cause redirect issues or block the Internet connection.

If your web browser is being redirected to another unwanted websites , or advertisements are popping up when you browse the internet, then your computer may be infected with malicious program called adware.

Adware is a software program that is designed to display advertisements up on your computer screen within a web browser which redirect you to an advertising websites and collect your sensitive data. If you want to protect from adware, so here is the best helpful tips for you:.

A shortcut virus is a type of malware that hides all of your files, folders, and then replaces all the files and folder with shortcuts that look exactly the same. This malware initially released online and spreading from one computer to another and if you try to open any file then you will get error message.

We have discussed 10 symptoms of computer viruses which may spread in different ways. If you know the symptoms and how they spread then you can easily protect your computer from viruses. However, the computer virus can be spread different ways such as:. Learn more about how computer virus spread? Welcome to the Computer Security Wiki! You can help us by expanding stubs , create new articles and improve current articles.

You can also help us by logging-in or creating an account! Jump to: navigation , search. The Code red virus attacked Microsoft servers and caused many server related issues as it degraded all the information technology system.

Ninda is a window virus that is injected through multiple methods. It is spread via emails, web browsers, attachments, and different means of portable devices.

Slammer is an extremely rapid-spreading virus affecting billions of systems in a fraction of a second. TheA single bit code that corrupts the entire programlaster is a type of virus which occurs when there is a program error, but the user receives lots of worthless media with a quote, Bill gates Stop Making money.

Welchia is a virus that affects the computer, then deletes itself. Commwarrior is an advanced form of virus which attacked smartphones through text messages.

It is a new variety of viruses in the beginning stage, so the security is made firm to prevent the user data. The user has to safeguard his device with a strong firewall and antivirus software to prevent the system from any virus attack. The user should cross-check twice before installing a program, clicking on spam emails, downloading a suspicious file, inserting any hard disk to the system. This is a guide to Types of Computer Virus.

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Viruses can steal your passwords and change your login data to lock you out of your email and social media profiles, online banking accounts, or even your computer. In the worst-case scenario, they can wipe all the data from your hard drive in just seconds. There are well over a million viruses in the world, with many more created daily.

They are evolving very fast, so those that were once considered extremely dangerous are now routinely taken care of by the best antivirus software. Based on their severity and the way in which they can affect your machine, there are about a dozen types of computer viruses. Here are the five worst types that you should know. Perhaps the most common type of computer viruses, macro viruses attach themselves to files made in programs that support macros, sequences of commands that can be executed with a simple keystroke.

These viruses are most commonly found in Microsoft Word documents and Excel spreadsheets. Most often distributed via email attachments, macro viruses are activated when you open the infected file.

If you do it directly in your email client, the virus will then send the exact copy of the file to all addresses in your contacts list.

If you download the file to your computer and then open it, the macro virus will spread to other. Whereas macro viruses usually infect files made in Microsoft Office, file infectors attach themselves to executable files with. When you open an infected file to launch a program, you will unknowingly launch the virus, too.

The virus can then overtake the program and spread to other executable files on your hard drive or your computer network. Some file infectors will rewrite all executable files that launch on startup, thus effectively taking control of the computer.

There have also been cases where macro viruses had completely reformatted infected hard drives. As their name suggests, browser hijackers take control over certain features in your web browser. When you type an address and hit Enter, the virus will take you to a completely different website and ask you to click on a banner or sign up for something to access the site you want to see.

In most cases, browser hijackers are intended to generate revenue for their developers by showing clickable ads within the browser.