Definition of The Worm Variant Virus, Trojan and Spyware

a. Worm
Worm is a security hole or slit our weaknesses on the computer that allows our computer infected with the virus without having to execute a file that usually occur on the network.
b. Trojan
Trojan is a program that allows our computer controlled the other through the network or the Internet.
c. Spyware
Spyware is an application that let the data or information practices of users in using the computer to outside parties without us realize. Usually used by the advertisers.

If we see the gaffe on storage media such as a file called strange that we never created the file or not the type of application / application as a claim to the application but then we do not click, we are open, or we run the computer so that the virus is not transmitted to the computer that we use.

Here are symptoms of Computers / Computer Virus infection:
- Computer running slow from normal
- Frequently eror message out or exotic
- Changes the appearance of the computer
- Storage media such as floppy disks, flash, and so copying the file directly without our coffee strange when we connect to the computer.
- Computers like restart or crash when running.
- Like any posts or messages appear strange
- Computer stops responding, or hang us.
- Harddisk can not be accessed
- Printer and other devices can not be used even though there is no hardware problems and software drivers.
- Often there is the menu or dialog box that error or damage.
- The loss of a few basic computer functions.
- Computers trying connect themselves with the Internet or a network without our order.
- Files that we store on computers or storage media that are lost or hidden viruses. and others ...

Examples of media distribution of computer viruses from one computer to another computer:
- Storage Media (diskettes, flash, external hard drive, zipdisk, cd, dvd, bluray disc, cartridge, and so forth)
- Network lan, wan, man, and so forth.
- File attachment or a file attachment in email or other electronic messages.
- File software (software) that ditunggangi computer virus.

The most powerful way that we are not exposed to computer viruses is to know how to install the original computer program is not pirated or original ditunggangi virus that does not and his friends, does not connect with the computer network or the internet, and never to open or execute files from the originating computer other.

But I like it too extreme and less gaul in the use of the computer everyday because we usually do the exchange of data or files with other computers such as work files, image files, file attachments, music files, video files, and so forth.

So we are to avoid computer viruses infect our computer and then we must be cautious in interacting with the file from another computer, the files from the storage media of another person, an email attachment, file exchange network, computer security holes we, and others. Install a good antivirus is updated regularly and a firewall program to network and anti-spyware and adware to address other types of interference.