A computer virus can be called as a small software program or malware that interferes with system operation as it moves from one computer to another. Even a computer virus can target or delete any of your valuable data. An email program can also send a virus from one digital system to another to delete everything on the hard disk. Or you might see the error of 0xc0000005 appearing on your screen.
Email attachments are one of the easiest ways to spread computer viruses. Virus disguised attachments may include short audio, video, and funny images. They damage files, but viruses or malware affect your computer’s browsers, called browser hijackers. You must not open email attachments without the email address of an acquaintance.
The browser hijacker may change the web browser’s settings without the user’s permission and visit you on a landing page you have not clicked on. These are called browser redirect viruses, and such websites are called malicious websites. The browser hijacker may also contain spyware that the attacker can access to collect your banking information, credit card number, and sensitive data. Browser hijackers install ransomware that can encrypt the victim’s data until the victim is paying a hefty sum.
Types of threats for browsers
Malware can damage everything on a stand-alone or a networked PC. It is a short-term malicious software with a few subcategories, such as virus, spyware, worm, etc. So, whenever your PC shows there is malware, you must be confirmed the presence of a virus, spyware, or worm.
A computer virus is generally known asa program that can corrupt or alter your data on your computer. A few examples of computer viruses are I LOVE YOU, SQL Slammer, Rootkit, Trojan, Stuxnet, Morris worm, etc. A virus that is more dangerous than a computer worm can replicate because worms can reproduce without changing your files. A virus can enter your PC through an attachment, download anything from the internet, and a malicious website. However, a virus cannot harm your computer without human action, such as installing or running an infected program.
Spyware can be installed without your permission. Spyware acts as adware, but it is a separate program automatically installed in your system when you download and install another program. It collects essential information about your browsing history and other activities to send to remote users.
Worms are entered into computers due to vulnerabilities of the system or networks and occupy an ample hard drive space. Worms can replicate several times on the local drive. It can slow your computer, crash your network, and consume more CPU. It cannot harm data until it attaches a virus to an existing program.
A trojan is not a virus, but it is as destructive as a virus because they open a backdoor by which a malicious program gets access to your computer. As a consequence, your confidential files can be stolen by the infection. Some well-known trojans are Proxy trojans, Data sending trojans, FTP trojans, and Remote access trojans.
Adware is a software application that can be downloaded to your system when browsing a website or running a program. It displays advertising banners and displays in popup windows.
A tracking cookie is stored in your computer and monitors your browsing session. It is a plain text file that can track visitors’ information and is a great tool used by hackers. A few companies steal your confidential information through it.
When should you be aware?
When your computer has a virus or the system’s browsers have viruses, you can notice sure signs and symptoms that alert you to infections. So, if you are an efficient user, you must keep the following points in mind.
- If you click on a specific website, another website shows you what you do not want.
- Showing many unwanted popup ads can be an alarming sign for your system.
- When the internet speed is low, it often takes time to load the website. Also, if you face slow loading in all cases, check the system malware.
- If a few unauthorized toolbars appear with the Internet browser, it is not typical for your system. Even the browser hijackers replace search engine position.
Computer viruses are deadly cyber threats and self-spreading software. It can destroy your stored data with your browser, websites, and online business. Knowing how this malware affects your website or browser can protect your system from cybercriminal attacks. Bots must prevent vulnerability. If you have a website = and it is built using WordPress CMS, update the software and plugins as soon as they become available. Install only the plugins you need and delete the rest. You can use vulnerability scanners and automated patches to keep your site updated.