computer virus

Do you like surfing the internet? Have you met troubles when you were surfing the internet?  Who can tell me what troubles you have met? Do you have attacked by computer virus? Do you know what computer virus is?

Today, we will uncover the computer virus’s secret together.

What is computer virus? Frankly, computer virus is some program segments. This segment is inserted some software that looks like friendly.

This segment is programmed by many kinds of  computer language.

It includes the high level, such as JAVA, C#, C++, Perl, VB and also includes the low level computer language, such as C, Basic and assemble language. The high level language is easy to learn, the low level language is effective to computer.

How many types of computer virus? It has about 4 types in general. The first is boot virus. this virus had existed in your computer through any ways, when you start your computer, These virus destroy or overwrite your book disk record, it is loaded in memory, so it can monitor what you have done with computer. Such as Form, Disk Killer, and Stone virus.

Program virus infects executable program files, such as those with extensions like .BIN, .COM, .EXE, .OVL, .DRV and .SYS . These programs are loaded in memory during execution; it can copy itself and infecting files on disk.

Macro Viruses is very common. it infect word files, it can change the document  formatting settings. you must be in trouble with it! If you open a document that is infected on other computers, the virus is activated.

Stealth viruses make use of the big hole that the web browse has by default to spread. it can execute any programs under your unknown.

How does it work and work? Some people write the evil program and give it nice appearance. Then he provides the links or email to somebody.

When you download the software or open unknown emails, you help him! The evil program will outbreak, sometimes, you still don’t know what happened, the hacker has visited your computer with the virus’s help.

It sounds like serious, it is not difficult to defend virus. if you have many important information stored in your computer, you can set up a special hardware to defend virus, it is an easy and effective way ,but you need money. then you can set up formal anti-virus software and firewall. Optimize your computer setting and kill virus weekly or monthly. You’d better break the connection to internet. Sometimes, some websites includes virus, when you are visiting, you will download some files on your computer under the table, please be c careful!

Don’t neglect this small program; it can do a lot of things within your computer. Steal all your secrets, expose your private life. I hope everyone have a safety environment for surfing the internet!