The Hidden Secret Of How Anti-Virus Software Works

Here are the basics of how anti-virus software works…


“Virus has been detected,” says the Software from anti-virus manufacturers. I believe that is a voice that we are always used to? If you are likely me, you might have been wondering what is actually happening underground, it is that that I want to show you now. Maybe when I tell you that, you will now realize the reason why you need to update your anti-virus on a daily bases.


The Hidden Secret Of How Anti-Virus Software Works

Most of the Anti-virus that you will find out there use two major techniques to detect viruses. 

#1 Virus dictionary
One of the very common methods used by anti-virus manufacturers when detecting whether a particular program is a virus is through the use of a virus dictionary. It is just like you are about to have a party. You have now give Bouncers standing order on those that are qualified to enter the Ballroom. That is exactly how it works. The anti-virus manufacturers have a dictionary that contains characteristics of viruses. They will always use this to decide what constitutes a virus.

It is all about a bit of code matching the known virus database, then the anti-virus program is to either delete, remove or repair the file.

#2 Suspicious behaviour
Another method being used by anti-virus manufacturers to detect whether particular software is a virus or not is the behaviour. When a particular software is behaving abnormally or going to ” no-go area”, it will be termed as a virus and be added to the known virus database.

#3 Emulation
Another method that anti-virus manufacturers can use to detect whether a particular software has a virus or not is to emulate the beginning of the executable code before it is been transferred. If the program seems to be a virus or it’s using a self-modifying code, then it can be termed as a Virus.  Like I said if it behaves in an abnormal way. it will be termed as a virus.


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Are you sure you are using good anti-virus software? Read this article before you answer my question.

I have always had guys asking me if Smardav is a good anti-virus or not. I am not in a good position to answer that because I also using it.

 I had never use Smadav alone. I always combine it with other anti.virus software. In this article, I want to look at some of the attributes of good anti-virus software. Follow me as we look at that together in this article.

#1: Anti-virus scanning
One of the evidence that you have a good antivirus software is that the anti-virus should be able to scan for viruses effectively and efficiently.

 It must be able to detect and remove malware without any hindrance.

#2: Scanning Speed

One other quality that you will see in good anti-virus software is that it must be very fast when performing scanning of any device. 

The ability to perform the scan effectively and efficiently makes the difference. If yours is very slow like a snail, its high time you purchase another one. 

#3: Resource utilization

When you are about to purchase good anti-virus or you want to confirm the one you are using presently, you have to ensure that the anti-virus software uses minimal system resources and it does not affect overall system performance when it is performing any scan.


#4: Automatic updates
Another quality of good anti-virus software is that it must be able to keep you abreast of what it is happening in the virus world. It has to be able to update itself against any attack. You must be able to receive the updates without having to visit the vendor’s website.
anti-virus software

#5: Spyware detection and Prevention

Good antivirus software must also be able to check for spyware and keep the spyware at bay. It will be an insult if you have a retired Army office manning your house and armed robbers are still having a field day. A food for thought you know.

#6: Email Scanning

Good anti-virus software should be able to provide email protection for you. It should be able to monitor the ports used in sending and receiving emails in order to ensure that your computer does not contain a threat that can harm your device.

#7: Hackers Blocking
Good anti-virus software should have a feature that prevents other connected users from gaining unauthorized access and steal important data such as passwords and other vital confidential information from your device.

#8  Bidirectional Firewall

One other quality that you will find in good anti-virus software is that it must have a bi-directional firewall.

It must be able to check whether the anti-virus software is equipped with a software firewall or not to scan both incoming and outgoing traffic to the device.

#9 Technical Support

There is a need for you to also be on the lookout for technical support from the manufacturer when you are planning to purchase anti-virus software. They must have the capability of resolving any issue amicably.

#10  Parental Controls

One other factor that is very paramount when you are using any anti-virus software is that you must be able to check the parental control feature in the anti-virus program that helps children browse and stay safe on the internet. 

You should be able to use it to restrict children from websites that you do not want them to visit.

#11  Easy installation ( and easy to use)

Good anti-virus software must have easy installation feature as part of the package. It must also be very easy to navigate around it as well. If possible it should come with FAQ in case you are stalked.


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#12  On-Demand and Scheduled Scanning

Good antivirus software should have a different type of scanning that you can perform. You can decide to scan a particular file, you can also go for a full scan as well as boot-time scan depending on how you want it done. 

If you have any other feature that you want me to add. Feel free to make use of the comment box.


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