Antivirus Software - How Antivirus Program Works?

Antivirus Software - How Antivirus Program Works?


You have probably been convinced of the importance of having an antivirus program installed, running, and updated on your device. Without this preventative measure, your data is at risk. Even if you don't use your device for business purposes, that data probably holds marvelous sentimental value to you, not to mention, the fact is that you have spent hundreds (if not thousands) of dollars on things like movies, music files, digital books, and more. Given the fact that one infection can wipe all of that and it is important to guard against these with all of the diligence you can, which means installing and maintaining the antivirus software. Fortunately, modern antivirus software does not adversely affect the performance, the way antivirus software did in days gone by.

Mostly Sushkom antivirus software processes are most of time focused on its accuracy to detect threats and scanning performance. Moreover, they forget to put more emphasis on the ease of usability of the software, the interaction of the different software, and how they will function more efficiently with the different OS. Most companies also overlook the need to create a user-friendly interface, straight-to-the-point error messages, and easy configuration and simplicity.

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You could always count the user who would immediately buy full versions of antivirus software to have their systems protected. However, a larger number of users opt to choose free antivirus software despite its limited features. Thus, the performance of the free antivirus software solely relies on its limited features. Many companies provide free trial versions of their software with more enhanced features. They do this to convince clients of their quality products.

How Does Sushkom Work?

The way any particular piece of antivirus software works is governed primarily by the particular philosophy of virus protection. For starters, let us look at a technology called the virus dictionary approach. The basic idea here is that the software examines each file on your hard drive and compares its contents to a dictionary of known viruses compiled by the provider of the software. Once a virus identifies, the file can then either be quarantined or deleted. Alternatively, the program can attempt to repair the file by deleting the malicious code.

Virus Dictionary

In order to continue to be effective, this type of software must be updated periodically. Definitions of new viruses, which have been identified since your last update, are downloaded into the software. Sometimes these definitions are contributed by other technically proficient and are responsible users of the software which have encountered these new viruses in the real world. Every time a new file is created, opened, closed, or emailed on your device, the antivirus software will examine it in comparison to the most up-to-date version of its virus dictionary. In addition to this, you can program your software to periodically recheck every file on your system.

Other Methodologies

In addition to the virus dictionary method, there are many other means by which viruses can be identified. One of these is called the suspicious behavior approach. The idea here is to monitor the behavior of all of the software on your device. If, for example, one software tried to write data to the executable file of another, this would be flagged as suspicious behavior. You would then be alerted and provided with a number of possible options from which to choose. The advantage here is that no new virus definitions are necessary, new viruses can be protected. The drawback is that such technology generates a large number of false positives. A simulated OS runs the program and checks for out-of-place changes. This method will affect the performance of your device dramatically, and therefore is generally only utilized during on-demand scanning.


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