Virus Types Computer

From a user perspective boot sector viruses are some of the most dangerous. This specific virus targeted select main frame computers running tenex.

Different Types Of Viruses Infographic Computer Security Computer Knowledge Computer Forensics

The types of computer virus or malware are many.

Virus types computer. Here are seven types of computer virus you should watch out for. It is a serious issue that has to be taken action by installing the antivirus program. A computer virus is one type of malware that inserts its virus code to multiply itself by altering the programs and applications.

A computer virus is a type of computer program that when executed replicates itself by modifying other computer programs and inserting its own code. It is a very tricky virus as it changes the code that can be used to detect it. Memory resident virus stays in memory after it executes and after its host program is terminated.

So the virus first decrypts and then executes. Computer viruses can also copy duplicate themselves. Hence the detection of virus becomes very difficult.

When this replication succeeds the affected areas are then said to be infected with a computer virus. Below are the different types of viruses in computers. Computer viruses come in different forms to infect the system in different ways.

In order to avoid detection by antivirus this type of virus exists in encrypted form. Types of computer viruses. In contrast non memory resident viruses only are activated when an infected application runs.

Different types of computer virus. Computer virus is also spread using usb drives storage disks and removable hard disks. Before we start do you know the first ever computer virus named creeper was an experimental self replicating program written by bob thomas at bbn technologies in 1971.

Any media whether it is bootable or not can trigger this virus. Computer viruses cause billions of dollars worth of economic damage each year. A list of well known computer virus types.

Boot sector virus infects the storage device s master boot record mbr. To delete this virus a program was created by ray tomlinson called the reaper which was actually another virus whose sole purpose was to delete the creeper virus. The computer gets infected through the replication of malicious code.

Computer viruses occur in various kinds to affect the system differently. First known computer virus the first known computer virus appeared in 1971 and was called the creeper virus. But some can be truly deadly to your security and bank account.

List of different types of computer viruses with their definition. Microsoft word and excel are two examples of. A macro virus is a computer virus written in the same macro language that is used for software applications such as word processing programs.

Boot sector virus file deleting virus directory virus direct action virus fat virus etc. It carries a decryption algorithm along with it.

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