WHAT IS VIRUS?
A Computer Virus is perhaps the most well-known malicious software program that has capacity of repeating itself and have an ability of spreading to different systems. Essentially, these viruses spreads through sites, sharing files, so forth and tries to steal your passwords, hacked into your accounts. For the most part these PC viruses are classified into different sorts. Every virus plays out its own capacity on its own way. In this article we will examine different types of viruses.
TYPES OF VIRUSES:Cyber crimes are expanding step by step where Cyber Criminals attempting to steal our personal data. They are utilizing Viruses as one of the hotspot for it. There are such countless sorts of viruses in this Computerized world yet I have mentioned only few that you should know about them.
A Resident Virus stays inside your system memory which assists it with affecting on your PC records when the first infected program done working. This virus not only infects files as well as includes in program and operating system that leads to its corruption. Resident virus hides inside your computer memory and it will be difficult to eliminate from the system.
This virus might be one of the most exceedingly awful kind as they can influence the system completely even after attaching itself to anti-virus applications which permits it to infect any file checked or scanned by the program.
2. OVERWRITE VIRUS:
It is one of the dangerous virus that totally overwrites the current program and changes it with the malicious code. Overwrite virus eliminates all the content from files, folders and programs to infected ones. This virus step by step changes original programming code to hazardous code. This virus can affect operating systems like Windows, Linux and Mac.
It is prepared to do altogether entirely removing of your files from your system with no alternative of recovery that makes your device inoperable and flimsy with time and just choice to eliminate overwrite virus is by totally erasing and restoring your original data from backup.
3. SPACEFILLER VIRUS:
The actual name says that it is type of virus which occupies the unfilled spaces of a file with virus. This Virus will not cause any harm to file size and furthermore can't be easily recognizable. Space filler is also known as Cavity Virus. The first spacefiller virus was distinguished in the year 1998. This virus has capability of interfering with the system BIOS.
4. FILE INFECTOR VIRUS:
This is otherwise called as parasitic virus that consolidates itself to an executable program fundamentally in games and word processors. This virus also affects the files with extension like .exe or .com and has functionality of replicating and spreading from one program to other in some cases into other networks as well. Certain types of file infector virus can overwrite host files and cause harm to hard drive's formatting.
5. MULTIPARTITE VIRUS:
A multipartite virus spreads effectively on to your PC if you perform any unauthorized actions on your Operating system, files and programs. As it is exceptionally irresistible in nature which contaminates various parts of computer that includes boot sector, memory and files causes damage to entire system. It is also known as hybrid virus.
6.BOOT SECTOR VIRUS:
This kind of viruses exists in physical media like USB or external hard disks. If a system infects with Boot sector virus then it corrupts all the files that are required to start the operating system. This virus totally overwrites existing program or duplicates itself to another part of disk. Once you boot your device this virus takes entire control of your PC.
7. POLYMORPHIC VIRUS:
Polymorphic virus has ability to escape Anti-virus which changes its codes every time whenever it is executed. This viruses are very difficult to detect which spreads through infected websites or spam. A modified version is always created for the existing program that infects the computer. Marburg, Tuareg, Elkern, Satan Bug are few examples of polymorphic virus.
8. DIRECTION ACTION VIRUS:
It is also known as Non-Resident Virus that straightforwardly attaches itself to .com or .exe file that executes after entering into the device. This virus is easily detectable and removable always stays hidden in the system.
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