Hey readers! In this article, you know about computer viruses and 10 types of computer viruses. Computer viruses affect our computers and the privacy of data. The most irritating thing is that it overloaded our storage. This means that viruses enter computer systems. It affects the whole file and makes it double or triple. Click to learn more about the full form of the virus.
Many hackers use different kinds of viruses to attack their victims. Different types of viruses, Trojans, malware are on the market. These are inject into the victim’s computer and work. How they inject in victims’ computers and what is their working. Also all types of computer viruses and how we protect from them. All these explain in this blog post 10 types of computer viruses.
Table of Contents
What is a Computer Virus
The term virus is common these days because of Corona Virus. Everyone knows that virus is something that affects one’s life. The same thing works for the computer system. A computer virus is a collection of some programming codes. The programmer program the virus as he like.
Like some viruses used to lock the user’s files. Sometimes called them malware. This malware enters the user’s system and locks all files. Some viruses crash the whole system. And some viruses use to hijack systems like a browser hijack.
These are the different types of computer viruses. Now we explain these viruses that you can understand more. After this, we cover some common questions about viruses. But, at once read again the above paragraph that helps you to clear the concept about computer virus.
10 types of Computer Viruses
There are many types of computer viruses in the market. Every month or every day there are hundreds of new types of viruses build. Some used for good purposes but most viruses used not for good purposes.
Here we describe the 10 types of computer viruses. These viruses work for years. You should know about that and try to avoid them.
- Browser hijack virus
- Web scripting virus
- Directory virus
- Macro virus
- Overwrite virus
- Direct Action virus
- Trojan Horses
- Memory Resident virus
- Multipartite virus
- Boot Sector virus
Browser hijack Virus
Sometimes during the usage of our system browser. The browser redirects us to another page or website which we can’t search. The popups sometimes show in our browser. Many websites open automatic.
If your browser behaves like that. Then it must be the attack of browser hijack virus.
How to avoid form browser hijack? Never download videos or files from unauthorized websites. Never open spam emails or the mails come from unknown resources in your browser. Always keep checking the downloads.
Web Scripting Virus
After the explanation of a browser hijack. It’s important to know about web scripting viruses. Often when we want to watch a movie or some drama or read pdf book. We search keywords on the browser and enter the website. The website wants us to click on ads or links or some kinds of images.
We click on that links to download the things we want. But with that links some malicious codes attached. These viruses often steal our cookies.
Our browser cookies have important data like our passwords and usernames. And sometimes these viruses enter our system with the downloaded files. And crash the whole system.
How to avoid these types of viruses? You can use browser security software. Or any kind of cookies security software to avoid these types of viruses.
Directory Virus
Directory virus is common in recent years. But after the release of powerful windows defender by the Microsoft operating system. This virus is decreasing. The virus found in the directory. Small folders in different drives of a computer system called directory.
When the user clicks on some folder to open a program. This virus comes forwards. First, load this virus then the directory load or open. Afterload and opening, this virus harms many files and folders of the system.
To avoid this type of virus, always keep running the windows defender.
Macro Virus
Macro viruses come into the system by sharing files. This type of virus is often attached to Microsoft Office files. And spread via emails when sending these files to others. So these files infect one computer and other.
The code of the virus attaches to the file and makes it heavy. Then go to the other user system with this file and also harm other files of that system. To avoid macro viruses you must use high antivirus or always open your windows antivirus. Also must be disable micro in your computer.
Overwrite Virus
Overwrite virus is the dangerous virus in this list of viruses. Once the virus infected the file and content in your system then no chance of recovery that content or file. This virus also spread in speed.
The only option is to avoid this virus. You can delete all infected files or content. So it can’t spread further. Or always up to date with your windows antivirus. Antivirus itself detects a virus or infected content and deletes it.
Direct Action Virus
Direct action virus is different from other types of viruses. It can’t install on the victim’s computer but attach to files. When the victim opens the infected files it will be active. During this, it can harm other files on the computer. It is locate in the root directory.
This virus can be diagnose and remove. Files were also restored after affected. But this virus automatic deletes infected files from the system. To avoid this type of virus it must run the powerful antivirus in a computer.
Trojan Horses
Trojan horses are the most powerful and dangerous type of virus. Once it can enter its victim computer system. All information locked. Only the person who has this virus key can open the files.
Hackers use this type of virus in most of their attacks. Because this virus is helpful to gain access to the victim system. They steal the victim’s private data like bank account data. Use this data as they like.
To avoid this type of dangerous virus, do not click on any link on the internet. Not open the mails that sent by unknowns.
Memory Resident Virus
As the name shows, the memory-resident virus infects the main memory. Main memory means it infects the RAM. So when the computer system is starting, the virus also starts working. To understand more, the operating system itself helps this virus to run in the system.
All the programs run on computers infected with this virus. Because this virus infects the main part of the computer, memory. All files of the computer are corrupt because of this. To avoid this, you must have powerful antivirus that can detect it and remove it.
Multipartite Virus
The multi-part virus attack on the boot sector of the operating system. The boot sector is the most important part of OS. Using boot, this virus can spread the whole system. It can affect all files and programs. Only one method to remove this virus from the computer is to format the whole computer.
To avoid this virus, use high-quality antivirus.
Boot Sector Virus
In the last of these computer virus types, lists are boot sector virus. This virus is dangerous because its direct attacks computer storage. It stored in a location of storage. The go-to is the main memory.
As the user restarts the machine. Because the virus crash the storage so RAM can’t find it. A computer can’t start to crash.
The boot sector virus is the oldest virus. In the start, it spread using the floppy disk. But now, it spread using external drives like USB. So to avoid this. Make sure during restart the computer no external drives attach with the computer.
How to Protect Computer from Virus
After the explanation of every type of virus. We also give you some instructions to avoid that. But here, we also repeat those and give you more instructions. Must apply these to your system to save your data and privacy.
The first most important thing is the antivirus of your own Windows OS. In-built antivirus is more powerful in comparison and also from third-party antiviruses. After this makes sure all software on your computer is up to date. So here is we make a small list, read it and apply it to your system.
- Always Update Windows Antivirus
- All software and application on computers are up to date
- Use Firewall
- Use a strong password
- Keep checking your downloads in the download folder or in the browser
- Never open links that come from unknown resources
- Also never click on suspicious Emails
- Always make a backup of your data
These are a few instructions to make secure your computer and data. To apply these, at least your system save from virus.
We also discuss the things in the next blog posts that how to secure computers from hacking and hackers. So if you have the question that what is the best way to prevent a computer virus? These are the best ways.
How Computer Virus Discover my System
The computer virus is attach to files and links. When you download any data from the internet. Or we receive any mail or take data using USB or drives. The virus is attach to these types of files. When we open infected files, viruses also run and spread in our system.
What Does Computer Virus Do
When this virus spread the whole system and makes all files infected. Then it delete them or locked them. As mentioned, different computer viruses have different purposes.
How to Know if Your Computer infected
Different signs to know whether a system infected by a virus or not. Sometimes computers slow down or start again and again. Storage of computer overloaded automatic. Files in directories have many copies. Like that there are several ways to know about it.
Wrap-up the things
There are many viruses discovered in past and many also will be discover in the future. The only way to make secure your system is always to update your system. The software, and antivirus programs.
We discuss computer viruses and 10 types of computer viruses. This article is enough to understand them. In our next article, we also discuss the history of computer viruses.
