viruses....

موضوع: viruses.... السبت نوفمبر 28, 2009 2:18 pm

Types of viruses that infect your computer

Praise be to Allah, prayer and peace be upon His Prophets and Messengers, our master Muhammad and his family and companions

Dear brothers, do not you know the extent of the spread of viruses these days, and the suffering of many users of computers from these viruses, particularly those who use the Internet and they were many, and this proliferation is strange it was necessary to develop plans for protection of protection such as installing programs or install a firewall and can also take advantage to know some information about the species and to avoid them, God willing, which is the focus of our conversation in this lesson a starch God.

Beginning to be a clear definition of this term describes is frightening to us and that is really scary if there is an appropriate environment for the spread, where it is known that a computer virus program making and has been programmed to deliberately change the properties of the files that it infects to execute certain commands either elimination or modification or destruction and the like operations, any computer viruses are software programs that are written to a compatible harm another, or control, the label has been the cause of the virus (Virus) because they are similar to those parasitic organisms or Almacairobac in the main traits:

First: Viruses are always hiding behind another file, but they take control of the infected program. So that the work of the virus immediately after running an infected program or the infected file directly.
Second: Virus reside in a place in the computer, for example as memory and infect any file that is running in memory while they are increasing the number of infected files the longer the time of discovery of the virus.

Then can be classified types of viruses months to a group of species classifications and remind them in some detail and some information are as follows:

Boot viruses viruses off
This type of virus affects the take-off sites (Boot Sector), both in the floppy disk or hard drive, is usually put the same location as your take-off (which is the basis of the system where the system can not take off without it) or that he copied himself with it to work with the driver.
This type of virus loads itself after starting the device directly to the device memory when trying to quit, and become effective and the length of the active work of the machine where he had been able to start operating the memory of the system.
Examples of such types of viruses
Form, Disk Killer, Michelangelo, Stone

Program viruses Verosatalbramj Executive
This is another kind of virus, which affects the operational programs of all the following extensions (BIN,. COM,. EXE,. OVL,. DRV (driver),. SYS (device driver)) where these programs and the infected files when they run snapped a virus, which hit them to memory, then the virus is active and makes copies of itself and affect the device files, and this is started.
Examples of such types of viruses
Sunday, Cascade

Multipartite viruses virus bilateral influence, so to speak
The third type of the virus in this series is frightening viruses bilateral or multilateral true that the label where they affect the operational programs and files to take off at the same time, as it affects the operational programs and when they run that loads itself into memory and then begins to impress the files off, and when re - operation of the system loads the files with the same take-off in memory and then have dominated the system and all the operational programs in the device, in this case is active and affects a lot of system files.
Examples of such types of viruses
Invader, Flip, Tequila

Stealth viruses viruses Tamelvi secretly called ghost
This type of virus uses certain tactics to prevent discovery of a very dangerous where they can change the movement needle reading on the hard drive to read another section is required, and can change the size of infected files and shows Size contrary to the truth. For example, there is a virus named Whale is the addition of 9216 bytes on the size of the infected file.
Examples of such types of viruses
Frodo, Joshi, Whale

Polymorphic viruses with a virus and pictures of different forms of
This virus can encrypt the same in different ways, where it appears differently with every time we have found. These types of viruses is the most difficult, where the virus can not be easily discovered.
Examples of such types of viruses
Involuntary, Stimulate, Cascade, Phoenix, Evil, Proud, Virus 101

Micro Macro Viruses Verosmelvat
This new type of virus infects files that are under micro document or a template. For example, when you open a file contained the virus automatically activates the same disease as the default template (which is a file that stores the default settings for Word), of course, the virus spreads itself automatically when you open the infected document in another machine
Examples of such types of viruses
DMV, Nuclear, Word Concept.

Active X virus
Active X and JavaScript files (JavaScript controllers) will soon be new scourge in the world of computers. Where there are a lot of internet users do not know how to control the Internet browser to activate or cancel the task or the different functions of a browser such as running audio or video, where they are left significant gaps and full freedom of harmful applications to run on their computers. Must therefore be cautious and make sure the publisher before you run any jobs or tasks in additional browsers.
Perhaps the most important viruses that fall under this type is a file fabled Anti Virus 2009

عدد المساهمات : 1 تاريخ التسجيل : 29/11/2009

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Admin عدد المساهمات : 55 تاريخ التسجيل : 18/11/2009

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موضوع: رد: viruses.... الخميس يناير 14, 2010 7:48 pm

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موضوع: رد: viruses.... الأربعاء فبراير 03, 2010 1:03 pm

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موضوع: رد: viruses.... الأربعاء فبراير 03, 2010 3:39 pm

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موضوع: رد: viruses.... الأربعاء فبراير 03, 2010 8:38 pm

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