Friends,
Today we are going to know what is a computer virus and how it can harm a computer. Those of you who use the computer must have heard the name of Computer Virus and must have also heard that if Virus comes in your computer then it can also completely destroy your computer's data. Here we will get complete information about Computer Virus, what is Computer Virus, how many types it is and how it can harm your computer and data.
Thus, if the virus enters the body in the body, so many kinds of problems or diseases go to the body, then if Virus also comes in the computer, then there may be many types of problems in the computer. But is this computer Virus any living creature? No, Computer Virus affects the Main Program of Computer which would be a small software program, which does not work properly computer program. Say in a direct language, then it is made to spoil your computer programs, which does not work smoothly and you have trouble.
This type of computer programs that enter the computer without your wish, and also harm your Store Data along with your computer programs. Such program computer Virus is called. History of Computer Virus was found on the world's first computer Virus (Arpanet). (Arpanet) was the world's first IP Protocol. In which the Creeper Virus was found before 1970, which was spread through Tenex operating system, which used to infect the computers associated with a Network and gave the message that "I am a Creeper if I can catch me Creeper had developed BBN Technology engineer Robert Thomas. In 1982 "Elk Cloner." The name of the name came Virus which was developed by Richard Skrenta. Through the floppy disk, Apple 3.3 (Apple Doc) had infact the operating system. "Elk Cloner." The first was an antivirus which was first tracked. This Virus was prepared as a joke which was put in floppy. This Virus was seen as a game, which was 50 times to be active. A small poem was seen in the computer that used to infect "Elk Cloner. The program was a personality "in the wild first Boot Sector Virus.
How does Virus work? And how can this damage your computer? As you know that the Operating System of Computer is written in a programming language, Application Software. For whom there is some kind of coding, which works according to Program or Software Algorithm. When Virus enters System, he makes himself multiply and turns into program and applications. Along with this, Virus continues to replace the Malicious Code of Virus from the original code. Thereby changes the original programming of the computer and many types of problems are coming in it. How to find out that there is a virus in the computer? If your computer is suddenly doing some unusual speed method, then understand that it can be virus. There are some warning science for whom you know it is very important. If your computer's speed decreases suddenly, she seems to run very slow while her hardware is very good then understand the computer is Virus. Inside the computer, some have become some files and folders that you have not created, then understand your compute is Virus. Computer on-do as well if some programs start to run yourself and despite your shutdown, then understand it is Virus in Computer. If you appear in the Computer repeatedly popup advertisement then understand that the computer is Virus. If there are some software or applications that you have never installed in the computer, then understand that your computer is Virus.
Types Of Computer Virus
Boot Sector Virus This virus affects the boot sector of the computer hard disk, it is very difficult to remove them. When the computer is started, it gets loaded into the operating system and sometimes also infects the system file.
Partition Table Virus
This type of virus damages the partition of the hard disk and also infects the boot record. Due to which the speed of the system slows down and it also reduces the capacity of RAM.
File Virus
It harms them by being attached to the program file of the computer. This Virus gets installed in the computer like any program and it infects files like .com, .exe, sys, .ovl, .prg, and .mnu of the computer.
Overwrite Virus
This Virus replaces the original files, due to which all the files and user data of the system gets corrupted or encrypted. Which becomes very difficult to fix. To avoid this, the system has to be formatted, which causes data loss. This type of Virus is spread by Phishing Email.
Rootkit Virus
Root Kit virus installs an Inlegal RootKits in the system, which gives full control of your system to the hackers. Due to the arrival of this virus, there is a full chance of your system's data being stolen and it is also very difficult to catch it.
Trojan Horse
Trojan Horse is a program that has been prepared by hackers to secretly infect the computer system. It enters your computer system without your permission, installs hacking software and helps hackers to gain access to your system.
There are many types of Trojan Horse –
- Remote Administration Trojans
- Data Stealing Trojans
- Security Disable Trojan
- Control Changer Trojan
Worms
Worms are a virus that multiplies itself after entering your computer. Tries to spread as much as possible by multiplying. It starts copying a lot of files inside the computer and covers more and more space in your hard disk. Due to this there are two disadvantages, firstly the hard disk space becomes full, and secondly the system starts running slow. Unknowingly, if a file transfer is done from a computer infected with this virus to another system, then this virus gets its feet there too. There it also starts duplicating files.
How To Protect The System From Virus
- So let's know some such tips by which you can protect your system from Virus.
- The attachment given on any Phishing Email should never be opened. Only emails sent by trusted persons should be trusted.
- Install a good Antivirus in your computer and keep updating it from time to time.
- No software should be downloaded from a website about which you do not know.
- Stay away from free things on the Internet. Most of the Software Movie, Mp3 Songs are currently available on the Authorized Websites on the Internet. Pirated website should not be used for this.
- If you are downloading something from Email or Internet, then first get the file scanned by Antivirus.
- If you get an e-mail that says that you have won the lottery, then no action should be taken on it, it should be reported immediately.
- Fake, Pirated, Crack and Patch Software should never be installed.
- Before putting someone's Pen Drive or Removable Media in your computer, it should be scanned with Anti Virus.
Free Vs Paid Antivirus
There are two types of Antivirus available on the Internet, the first is Free Antivirus and the other is Paid Antivirus. It is very important to know the difference between the two. Free Antivirus has the ability to scan only a few limited Virus and Files, while Paid Antivirus has many options and the list of new Virus is first updated here. Their Security Level is higher than Free Antivirus. So if your data is very important to you then you should go towards Paid Antivirus.
At the end
You have already understood that what is Virus?, How does it work? And how can it harm your valuable data and system. What you have to do to avoid Virus, if you liked it, then definitely share it with your friends.
Have a nice day ☺️