Do you know what is an antivirus (what is an antivirus) and how does it work? In addition, you will also be given information that the best antivirus for your computer and mobile phone is better than free and paid programs. Whenever there were demons in this world, there were gods to stop them. Likewise, even nowadays antivirus programs act like gods for the computer.

You must have kept many memories and personal data stored on your computer. Personal data such as photos, videos, movies, MP3 files as well as some personal documents are also “PDF files, scanned files and certificate”.

But due to your carelessness, computer viruses enter your computer from the internet and some other sources like pen drive. What will happen next, you should know very well. All the data that you have stored on your computer also disappears or the file becomes corrupted.

When this accident happens to you, you just remember that if I installed antivirus in my system, I wouldn’t have to see this day. Friends, I hope this incident has not happened to you yet, so today I will tell you the solution to all these problems in this article. What is antivirus and let’s get started.

What is antivirus?

This antivirus is a program (code). You can also say that this is a program that finds all virus programs hidden in the computer and deletes them from the computer. It can also be said that it acts as a computer protection, which protects against malware such as Computer Worms and Trojan Horse.

Antivirus software also protects your computer from spyware and adware. And detect and delete all these programs from your computer. Something shortens your files, makes files disappear, slowing down your computer.

I mean, this is a good program that removes all those malicious software on your computer. Now you are considering whether a program is a virus, yes a virus is also a program. Only one person is the creator of these two. Example:- Avira, Avast, AVG Kaspersky. Now let’s find out how this works.

How do antivirus programs work on a computer?

First of all, let’s explain it in simple language. I would like to explain her work in simple language as everyone can understand it. Antivirus software already contains signature files or virus definition files for many viruses. These are all powerful files, these files contain a list of malware (computer viruses) and information about them. To understand this, you must understand the definition of a virus.

Virus definition
Antivirus cannot identify/identify malware without a virus definition. For this reason, the virus definition must be updated. Because the virus signature is inside the malware definition. The names and information about malware already on the Internet are preserved in this identification.

When a file is infected with malware or if any malware is detected during the scan, the antivirus software first checks whether it is similar to the virus definition or not. Virus definition still has some characteristics of malware and such programs. So it is also essential that the antivirus company always update the virus definition.

First of all, this software scans all the files inside the computers. When a file matches Signature or Virus Definition Files. At the same time it repairs or deletes this file. By the way, whatever action you do, it just works on that. When a computer virus program gets inside the computer, it starts working with the computer’s files upside down.

With this behavior, something is known to be wrong with the computer file. He immediately begins to take action against him. Now let’s understand in a little technical way how to detect viruses in a computer.

How Antivirus Detects Malware

The hardest thing is that there is 500-1000 GB of data in the entire system. And to find the virus out of it, tell us the ways in which the virus is detected.

#1 Signature-Based Disclosure

This is one of the oldest ways to detect computer viruses. Where all .exe files must be matched. on your computer with virus definition files or matching them with other types of malicious software. When an unknown file is recognized, action is taken on it.

In this signature-based technique all programs are scanned. If any application is downloaded with this technology, the program will be scanned first. After that it is installed. That is why it is advisable when you download any program, and then scan it beforehand. Because once your system is infected, it becomes difficult to remove.

#2 Heuristic detection

This technique is used with signature-based detection. Heuristic technology is used in all antivirus software today. Even if there is no virus profile, with the help of this technology, a new and old virus can easily be found and removed. There is no need to have the latest virus definition for this.

In Heuristic, it runs suspicious code or application in the virtual environment and knows which program is trying to affect that application. This way other real programs can also be saved.

#3 Behavior-Based Detection

This is also a special way to detect the virus. Also called intrusion detection mechanism. Its specialty is that it detects the behavior of malware. It only detects malware when it tries to downgrade other files or any other reverse side. But this feature is not automatic in the second detection.

#4 Uncover Sandbox

It works almost solely on a behavior-based detection mechanism. In this mechanism, the program is run in a virtual environment. Now in the process the behavior of the program is determined. If the antivirus knows that this program is malicious, it will take action on it.

#5 Data mining techniques

This is the latest and trending technology of today’s time. It has the features of some special programs. Whether a program is malicious or not is ascertained by data mining technology.

Why updating your antivirus is important

Every day new viruses are created, some people say this too. The company that makes Anti Virus also makes Virus. But so it is very important for you to update every day to avoid a new virus attack. The update will also store the latest definition files and it will be easier to identify and block the new virus.

Antivirus Features

Background scan
full system scans

#1 Clear Background

Even when you keep doing some files, applications and online in the system, it continues to scan all your files. This is called background scanning. This gives your computer real-time protection and protection. No malware can attack your system.

#2 Complete Scanning System

By the way, the need to do the whole sanctification is not so much. If you are installing a new antivirus in your system for the first time, you need to perform a full scan once. With this, all the hidden computer malware in your system means your computer, and it will be removed. After that, the background check continues automatically. And in between, the entire laptop should be scanned.

Best Free Antivirus 2017 and Where to Buy

I haven’t used all antivirus software but there are some antivirus software here. Which you can use for free for 30 days or more days. You can buy all the names given here online from shopping sites like Flipkart, Amazon and snapdeel.

1. Bitdefender Antivirus Free Edition
2. Avira
3. free avast
4. AVG Free
5. Kaspersky Lab Internet Security 2017
6. 360 Total Security
7. free panda
8. komodo
9. Check out ZoneAlarm Free Antivirus + Firewall
10. Microsoft Windows Defender

Benefits of having an antivirus in your computer

There is no doubt that it has any benefits? Yes, nowadays a lot of malware attacks happen on the internet. Therefore, you should use the free or paid option.

• First of all, it keeps all your data safe.
• Nobody can steal your data from the internet from your computer.
• You can download any software without any hesitation.
• Before any computer virus can damage your computer, it does its job of its own.
• If the payment is made, all your online transactions are also safe.
• This will save your money because with the money that the malware will inflict, you will buy two or three antivirus programs.
• Your system will never stop or slow down
• System software and application software will run very smoothly.
• The processing speed will increase and there will be no system failure.
• Chances of getting a damaged hard drive are also lower.

What did you learn today

This is my opinion, keep checking the website and when there is an offer, buy some good software. Because malware attack happens a lot at this time. So buy Multi User Antivirus for free or by payment which will be a little cheaper. I told you what antivirus is and how it works and some free software information will also be available.

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