A virus is a program that spreads by first injecting files into the system or a network. Harmful that can damage your major file and destroy it completely. Viruses used to be spread when people shared floppy disks and other portable media; now, viruses are primarily spread through email messages.
Computer programs do anything to other programs, whether they run on your computer. Viruses are designed deliberately to damage your files, and others just spread them into other computers.
Unlike Worms, computer viruses often require some sort of user action – Like clicking on a suspicious link on a message (from an unknown sender).
Common Types of Computer Viruses
Cybercriminals are getting better and better at stealing data, and that is being created rapidly. There are millions of computer viruses around the world, but here are some common types you should be aware of them:
File Infecting Virus
A virus can be attached itself to an executable program, and hence it is called a parasitic virus which typically infixes the .exe or.com extension files. Some files in factors can overwrite host files, and others can damage your hard drive's formatting.
This type of virus is commonly found in programs such as Microsoft Word or Excel. These are usually stored as part of a document and can spread when the files are transmitted to other computers, often through email attachments.
The virus targets and alters your browser setting. It is often called a browser redirect virus because it redirects your browser to malicious websites that you don't have any intention of visiting. The virus can pose other threats such as changing the homepage, etc.
Web Scripting Virus
A very sneaky virus that targets popular websites. This virus does not insert the link that can install the malicious software on your device, and you can get it easily from other countries. Web script of this can steal cookies and use the information to post on the infected website.
Boot Sector Viruses
The viruses are common when computers are booted from floppy disks; these viruses are not found everywhere and hence can be performed with media such as external hard drives or your USB. If the computer is infected with the boot virus, it automatically loads into the memory, enabling control of your computer.
Computer Virus Protection
When you arm yourself with the necessary information and resources, you are definitely wiser to take computer protection regarding your threats and malware. We are here to discuss the few necessary steps that need to be taken to protect your files and data in your system.
- Using an antivirus is a must for any system, along with the firewall.
- Get antispyware software
- Updating your operating system on a regular basis
- Increasing your browser setting and security
- Avoid the questionable websites
- Download only from the websites that you trust
- Immediately delete the messages that are suspicious on your spam list
An unprotected computer system opens the door to viruses.
How Does Computer Get A Virus?
If you are not aware of how a computer gets a virus, here is how you can check with the following points:
- Visiting an infected website
- Sharing files, music, and photos with other websites
- Downloading different types of games, software, and other system utilities
- Installing the mainstream software application without thoroughly reading the manual.
How Does the Computer Worm (Virus) Spread?
Viruses can be spread in different ways, including discs, emails, networks, etc. Since connections between devices were once far more limited than today, early computer viruses can commonly be spread through infected floppy disks.
According to Cybersecurity, infected email attachments are the most common means of circulating computer viruses. Most, but not all computer viruses require a user to take some form of action like enabling the macros or clicking on the link.
How to Detect that your computer has a Virus?
Antiviruses have made great progress in being able to identifying and preventing computer viruses. When a device does become infected, though, installing the antivirus solution is best for your computer. Once you have installed good software, you can easily scan for the malicious program. The antivirus will present options for removing unnecessary and malicious files and data.
In this way, your computer will be safe from the files that are dangerous and make your system slow down. These not only slow down your system but also you will have a bigger risk to your computers. Antivirus will present these kinds of files in front of you.