Trojan viruses, worms, spyware

Virus Definitions and friends (Variant Viruses):
1. Computer Virus understanding of the general
Computer virus is a computer program that duplicate or reproduce themselves by inserting copies, or copy itself to the media in the storage documentation and to the network secretly without the user's computer. The effects of computer viruses vary greatly, ranging from only messages appear strange to damage the computer and delete a file or document it.

2. The definition Variant Worm Virus, Trojan and Spyware
a. Worm
Worm is a security hole or slit our weaknesses on the computer that allows the virus infected computer without the execution of a file that generally occur on the network.
b. Trojan
Trojan is a program that allows computer controlled other people through a network or the Internet.
c. Spyware
Spyware is an application that leaking information data user behavior or habits in using computers to outside parties without us realized. Usually used by the advertiser.
If we see a gaffe on the storage media such as a file named strange that we have not created or not the file type of application / application as the application but then we do not click, we go to or we run the computer virus is not transmitted to the computer that we use.
We Can Tanda-Tanda/Ciri-Ciri Computer / Computer Virus infected:
- Computer running slow from normal
- Often the message out eror or exotic
- Changes in computer display
- Media storage such as floppy disks, to bring, and so directly copy the files without our coffee strange when we connect to the computer.
- Computer restart like yourself or crashes when running.
- Like it or writing messages appear strange
- Computers hang or stop responding to us.
- Hard drives are not accessible
- Printer and other devices can not be used, although there is no problem of hardware and software drivers.
- Often there is a menu or dialog box that error or damaged.
- The loss of some basic computer functions.
- Computers trying connect with the Internet or a network without our order.
- Files that we store on computers or storage media lost it or hidden viruses. and other ...
Examples of the media of spreading a computer virus from one computer to another computer:
- Storage media (diskettes, bring, external hard drives, zipdisk, CD, DVD, Bluray disc, cartridge, etc.)
- Network lan, wan, man, and others.
- File attachment or a file attachment in an email or other electronic messages.
- File software (software) be a computer virus.
The most powerful way that we are not affected by computer viruses is by installing a computer program that the original is not original or pirated not be a virus and friends, do not connect with computer networks or the Internet, and never opening or executing files that originate from a computer other.
But the way it is too extreme and less Stop the use of computers in day-to-day because we normally do the exchange of data or computer files with other forms of work files, image files, file attachments, music files, video files, and others.
So to avoid computer viruses were diinfeksi and then we must be vigilant in interact with files from other computers, files from storage media from other people, email attachment, the file exchange network, computer security holes, and others. Install a good antivirus software updated regularly and a firewall program for the network and anti-spyware and adware to combat other types of computer interference.