What is a virus?
Answer: An acronym for malicious software, malware is a form of virus,an umbrella term for all kinds of harmful computer programs that are used by hackers and other miscreants to wreak havoc and gain access to sensitive information.
Using malware, cybercriminals can expose your private identity and cause damage to individual computers, servers, or an entire network of computers. In most cases, the malware gains access to a computer, or another device through email or the internet.
However, there are occasions when it may access a device through software, toolbars, music files, game demos, free subscriptions, websites or anything else downloaded onto the device from the web which is not protected by anti-malware.
Internet is the eye with which we see the world as a global village,Any type of information can be secured through the internet,educational info,scientific,cultural and others can all be found on the internet.We can therefore say that internet is a solution provider.
However,despite the benefits of the internet,a computer user can easily get a problem from the internet.The activities of the online criminals called hackers, can make a person to feel sad about visiting the internet,hackers are the producers of trojans,viruses and worms and these are malicious softwares that are capable of destroying computer hard drive.
There are some viruses that belong to trojan family that cannot be wiped off easily from a computer
COMMON TYPES OF COMPUTER VIRUSES
1. RESIDENT VIRUS
Resident viruses set up shop in your RAM and meddle with your system operations. They’re so sneaky that they can even attach themselves to your anti-virus software files.
2. MULTIPARTITE VIRUS
This virus infects the entire system. Multipartite viruses spread by performing unauthorized actions on your operating system, folders, and programs.
3. DIRECT ACTION
This virus targets a specific file type, most commonly executable files (.exe), by replicating and infecting files. Due to its targeted nature, this virus type is one of the easier ones to detect and remove.
4. BROWSER HIJACKER
Easily detected, this virus type infects your browser and redirects you to malicious websites.
5. OVERWRITE VIRUS
Like the name implies, overwrite viruses overwrite file content to infect entire folders, files, and programs.
6. WEB SCRIPTING VIRUS
This sneaky virus disguises itself in the coding of links, ads, images, videos, and site code. It can infect systems when users download malicious files or visit malicious websites.
7. FILE INFECTOR
By targeting executable files (.exe), file infector viruses slow down programs and damage system files when a user runs them.
8. NETWORK VIRUS
Network viruses travel through network connections and replicate themselves through shared resources.
9. BOOT SECTOR VIRUS
One of the easier viruses to avoid, this virus hides out in a file on a USB drive or email attachment. When activated, it can infect the system’s master boot record to damage the system.
If your computer mistakenly contacts stubborn viruses like the above mentioned,,you can use the following tools to remove such viruses.
2.DBAN CD IMAGE TOOL
3.IOLO SYSTEM MECHANIC TOOL
All these virus removal tools can be downloaded from the internet just log on to google and type the name of any of them and press enter the download links will appear,you download and install them,open them use it to scan you computer and delete viruses and malwares.
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