Computer Virus Removal Tips
By Pat James
Computer Virus Removal - What You Need To Know
There are several things that you need to know about computer viruses and their removal. Before you can effectively make good use of any computer virus removal you are going to have to understand what a computer virus is, what different types of computer viruses are out there and how they work. Only then can you learn how to correctly remove them from your computer and protect your system in the future.
So What Is A Virus And What Will It Do?
Most computer viruses are special kinds of computer programs that are able to copy themselves, usually without permission or knowledge of the computer user. Although these viruses are very similar to worms and Trojan horses they are at the same time very different. While some viruses are designed to damage your computer by doing damage to actual programs on the computer other viruses are not designed to do any damage but rather work by replicating themselves and infecting others through email or instant messaging. This is the way in which most computer user usually finds out they are infected.
There Are Different Types Of Computer Viruses
There are several different types of known computer viruses. The most widely
known types of computer viruses are resident viruses, direct action viruses, boot viruses and macro viruses. A Resident virus are those viruses that dwell in the RAM memory and mostly work by overcoming and interrupting all of the operations executed by the system including corrupting files and programs that are opened and closed.
A boot virus are viruses that affect the boot sector of the floppy or hard disk drive, and macro viruses that infect files that are created using certain applications or certain programs that contain macros.
Next is the direct action virus who’s main purpose is that of replicating and taking action when it is executed. The batch file of this virus is always located in the root directory of the hard disk. Overwrite viruses are those that are characterized by the fact that they delete the information that is contained in the files that they infect, and this renders them as being partially or even totally useless once the infection has taken place.
Computer Virus Removal Conclusion
When it comes to computer virus removal the removal method that you use will depend on the particular type of virus that your computer is infected with, so this is what you will have to determine before attempting removal.