Trojan horse are developed by groups or individuals who desire to cause harm to others. The most common intention is to generate income through advertising or to damage the victim's system. Viruses are generally spread by e-mail attachments or by downloading contaminated files from the internet.

The first action in developing a virus is to compose the code. This code can be composed in any shows language, however the majority of viruses are composed in C or Assembly.

After the infection code is assembled, it needs to be tested to guarantee that it will work as planned. The infection code is typically checked on a virtual device or on a system that is separated from the rest of the network. When the infection code is considered to be working, it can be launched into the wild.

There are a number of ways that computer system viruses can be spread. When the user opens the accessory, the virus code is performed and the virus starts to spread out.

Once a computer is infected with an infection, the virus will start to replicate itself. The infection will also attempt to spread to other computer systems on the same network. Sometimes, the virus will also attempt to harm files or data on the infected system. The most serious viruses can trigger the system to crash or end up being unusable.

Once they are infected, infections can be really challenging to get rid of from a system. Sometimes, the only method to eliminate the virus is to format the tough drive and re-install the os. This will remove all files from the system, consisting 100 types of computer viruses the infection.