Remove Virus

A computer virus is a small-sized malicious program that has the power to propagate from one system to another and it also disrupts the functionality and working of your PC. The main motive of a computer virus is primarily to implant itself in files or programs stored on your system and infect them. A virus attack can greatly affect the working of your computer and also you will be unable to perform many functions with ease. It is essential to remove virus or it can lead to loss of important data and even a system crash in some cases. A virus can greatly infect registry files, duplicate files, steal personal information, corrupt Windows and even infect program libraries.

There are various types of computer viruses that can be classified. Let us have a look at different types of computer viruses.

• Resident Viruses
• Multipartite Viruses
• Polymorphic Viruses
• Program/File Infector
• Different types of viruses

Resident Viruses

Resident viruses mainly functions by installing malicious code in the memory of your PC, infecting the current programs along with others that you might want to install in future. This virus also utilizes various techniques to spread its infections. Resident viruses are composed of two main categories, including fast infectors and slow infectors. Fast infectors are designed for corrupting as many files as it can, while slow infectors are primarily designed to infect hosts.

Multipartite Viruses

Multipartite viruses use a combination of techniques like infecting documents, executables and boot sectors to contaminate various computers. Majority of multipartite viruses initially becomes resident in memory and after that infect hard drive’s boot sector. Once multipartite gets in the memory, it might infect the complete system. Also they are known for infecting word processing applications through inserting unwanted phrases or texts.

Polymorphic Viruses

This type of virus produces unusual but operational copies for itself. The attack of this virus is considered to be very dangerous as security software will not be able to find all instances of attacks at once. This is the reason this virus is also called as strategically designed virus.

Program/File Infector

Falling in the type of parasitic viruses, a program or file infector tries to contaminate the files with various extension codes, including .exe, .com, .drv, .dil, .bin, .ovl, and .sys. This virus gets activated with the execution of executable file having viruses. Then, the virus loads itself in memory and multiplies itself to various other executable files.

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