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What are the most common computer viruses and how do I avoid them?

There are many different types of computer viruses, but some are more common than others. Here are four of the most common viruses and how you can avoid them:

1. The first and most common virus is the trojan horse. This virus gets its name from the Greek story of the wooden horse that was used to trick the city of Troy into letting the Greek army inside. Trojan horse viruses are usually hidden inside something that looks harmless, like an email attachment or a downloads. Once the unsuspecting user opens the file, the virus is unleashed and can wreak havoc on the computer. To avoid this type of virus, be careful about what you click on and only open files from trusted sources.

2. Another common virus is the ransomware. This type of virus is becoming more and more common as it is a very effective way for cyber criminals to make money. Ransomware viruses work by encrypting all of the files on your computer and then demanding a ransom (usually in Bitcoin) to decrypt them. There is no guaranteed way to avoid this type of virus, but having a good backup strategy is important in case you do become infected.

3. Another common virus is the malware. Malware is short for malicious software and is used to describe any type of virus that is designed to damage or disable a computer. Unlike ransomware, malware usually does not encrypt files but can still do a lot of damage. To avoid malware, be careful about what you click on and only download software from trusted sources.

4. The last common virus is the adware. Adware is a type of virus that displays unwanted ads on your computer. While this might not seem like a big deal, adware can slow down your computer and make it difficult to use. To avoid adware, be careful about what you click on and only download software from trusted sources.

These are just a few of the most common computer viruses. To avoid them, be careful about what you click on and only download software from trusted sources.
and their effect

How do computer viruses spread and infect computers?

A computer virus is a type of malware that, once executed, replicates itself by modifying other computer programs and inserting its own code. This causes the affected programs to behave in unexpected ways, which can include corrupting system files, stealing personal information, or deleting data.

Viruses spread when they are executed, typically by unsuspecting users who click on a malicious email attachment or visit an infected website. Once the virus code is executed, it can infect other programs on the same computer, or spread to other computers over a network.

Viruses can wreak havoc on a computer system, causing data loss, decreased performance, and in some cases, complete system failure. In order to protect your computer, it is important to install antivirus software and keep it up-to-date. Antivirus software scans incoming files and programs for signatures, or patterns, that match known viruses. If a match is found, the software can quarantine or delete the offending file.

Additionally, it is important to practice safe browsing habits. Be cautious when opening email attachments, and only download files from trusted websites. When in doubt, scan a file with your antivirus software before opening it. By taking these precautions, you can help protect your computer from being infected by a virus.

We used malwarezero.org to write this article about computer viruses. Click here to learn more.