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What is the Antivirus software?
Antivirus software is a program or set of programs that are designed to prevent, search for, detect, and remove software viruses from a computer. Once installed, most antivirus software will automatically run in the background to provide real-time protection against virus attacks.
Comprehensive virus protection programs help in protecting your files and hardware from malware like worms, Trojan horses and spyware, and may also offer additional protection like customizable firewalls and website blocking.
Why Antivirus software is necessary?
These antivirus tools are critical for users to have installed and up-to-date, as a computer without antivirus software protection will get infected within minutes while connecting to the internet. The bombardment is constant, that means antivirus companies require regular up-gradation of their detection tools to deal with the more than 60,000 new pieces of malware that are created regularly.
Today’s malware changes appearance easily to prevent detection by older, definition-based antivirus software. Viruses may be designed to cause harm to your device, prevent users from accessing data, or to take control of your computer.
What does Antivirus software do?
Several different companies develop antivirus software and what each offer can vary but all perform some essential functions:
i. Scan specific files or directories for any malware or known malicious patterns
ii. Allow you to schedule scans to automatically run for you
iii. Allow you to initiate a scan of a particular file or your entire computer or of a CD or flash drive at any time.
iv. Remove any malicious code detected –sometimes you will be notified of an infection and asked if you want to clean the file, other programs will automatically do this behind the scenes.
v. Show you the ‘health’ of your computer
What are the benefits of Antivirus software?
Antivirus solutions protect more than just smartphones, tablets, laptops, and office computers. They protect precious memories, such as music and photo libraries as well as important documents from destruction by malware. Make sure that your protection is capable to defend the challenge against the latest threats.
Modern antivirus solutions are capable of:
i. Detecting, blocking, and removing viruses, malware, and ransomware
ii. Preventing identity theft and block phishing and fraud
iii. Warning about dangerous websites and links before you click
iv. Scanning the Dark Web to find if an email address has been compromised
v. Keeping online accounts protected with secure password encryption
vi. Providing simple training to teach you and your family how to be even safer online
vii. Tuning up your computer to keep it running smoothly, just like new
How does Antivirus work?
Antivirus software begins its operation by scanning your computer programs and files against a database of identified types of malware. Since hackers new constantly create and distribute new viruses, it will also scan the system such new or unknown type of malware threats might be possible.
Typically, most programs will use three different detection devices: specific detection, which identifies known malware; generic detection, which looks for known parts or types of malware or patterns that are related by a common codebase; and heuristic detection, that scans for unknown viruses by the identification of known suspicious file structures. When the program finds a file containing a virus, it will generally isolate it and/or it is marked for deletion, making it inaccessible and removing the risk to your PC.
Name Five Popular Antivirus Software
Having a PC without antivirus software is essentially an invitation to malicious programs to corrupt your PC and steal confidential information. Good antivirus software must be installed in your PC to ensure that you are safe online and offline. Luckily, there are several antivirus applications available, both free as well as paid.
However, not all antivirus programs can save your PC from the latest threats, such that finding suitable software is important. Five well-known antivirus software for PC are listed below:
Bitdefender is one of the best Antivirus programs that offer both free and paid solutions for the users. If you just need good malware protection on your PC, then the free version of Bitdefender will do a great job of protecting you from the current threats. However, if you want full security, including online protection and encrypted data transfer, then it will be chargeable.
In the latest test results from AV-TEST, Bitdefender has a perfect score and has remained above 98 percent on average in all the tests since 2010. Bitdefender is also known for having a very quick setup process and being resource-friendly. Bitdefender is the solution for anyone who wants a simple antivirus application that provides optimum security.
Avast is popular for its free antivirus solution that offers reliable protection and fulfills all the basic requirements of the users. With Avast free version, you’ll get whole real-time malware protection and with the ability to scan your PC using Boot-time Scan, Quick Scan, and Full Scan. You will also get some other handy features, such as automatic browser add-ons remover, network scanner, software updater, and protection against malicious websites.
If you’re looking for security from the Internet, you may want to try out Avast Pro. As far as the test results are concerned, Avast often skips 0-day malware attacks with an average of 96 percent. However, the free edition and low prices make it ideal for the average user.
3. Malwarebytes Anti-Malware
Malwarebytes is known for cleaning up even the new forms of malware that even top antivirus programs may be unable to detect. It is light, fast and cleans up 99% of the malware. However, with the free version of this antivirus, you can only be able to clean up your PC which is already infected; no real-time protection will be provided.
You are required to scan your PC manually every now and then to make sure that your PC is free of malware. For real-time protection, you require up-gradation to the Premium version that offers real-time protection as well as some internet protection features. It is recommended that free version of Malwarebytes should always be used alongside another antivirus program that provides real-time protection like Avast. Moreover, Malwarebytes emphasis on latest threats and may skip the old types of malwares that can be easily detected by other antivirus programs, the above tip help here also.
4. AVG Anti-Virus
AVG Anti-Virus and Avast are quite similar when it comes to free antivirus programs. They provide the same protection with similar features. AVG free version will protect you from most of the malware threats and you will also get email and link protection as well. For most people, these features should be more than sufficient.
If someone requires more, then he can opt for the premium version. With the premium version, you will get whole internet security, including safe downloads, complete payment protection, and online and offline data encryption.
Norton is a renowned brand in this area and has shielded millions of users from the most recent threats. There is no free version provided by Norton, but for $69.99/year, you can get complete PC and online protection with some other useful tools such as bootable recovery tool and file backup, etc.
Norton offers a guarantee for 100% virus removal, whereas, no one offers this guarantee, and also claims to refund all the full amount if they are not able to remove any malware. While it provides astounding security, it is also known to be a heavy resource and also is also struggling with AV-Test performance criteria. Some of its features also include child internet usage protection, browsing protection, and complete malware, Internet usage protection, and up-to-minute updates.
Takshila Learning helps you in your understanding about antivirus software and its applications at your office and homes. The antivirus software installation is the best way to protect your computer from external harmful elements. Takshila learning ensures the smooth running of your computer by teaching about its internal applications.
Join Takshila Learning and gain an insight into the protection of your computer against harmful malware
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