Many people do not need to use a separate antivirus when it comes to Windows Defender. But there are still those who love to take risks in web browsing and can't trust Windows Defender enough. Free antivirus may be the solution for them. However, many people have doubts and doubts about the effectiveness of free antivirus, and whether it can provide protection like paid antivirus. So today we will have a brief discussion about some free antivirus. We will focus more on protection from malware than features here.
Kaspersky Security cloud: TPSC executes and tests this antivirus with 2326 viruses together with the Malex tool which was random new malware/worm/ransomware/virus / PUP / collected from his personal collection and although unbelievable it was 100% Kaspersky's Pro-Active Detection. As a free antivirus that scores a lot bigger. In other words, Kaspersky can block 2326 viruses when they are introduced into the system one by one. And for those who are worried about PC slowing/hanging, etc., in the case of antivirus, it is also suitable because it did not use more than 60-150 MB RAM, even when blocking the virus. And CPU usage has never been higher than 10/15 percent.
Bitdefender Antivirus Free Edition: TPSC's Kaspersky test was also against BitDefender because it was a Bitdefender vs. Kaspersky two free antivirus fight and at the same time the same 2326 malware were tested on another virtual machine. BitDefender has performed similarly to Kaspersky as a free antivirus. Final Proactive Detection was 99.83% which means only 4 files were missed. Since TPSC has done a comparative test of the two so we also have to go through that comparison. RAM has used BitDefender a lot as a performance. BitDefender uses about 500 megabytes (of course, no antivirus usually uses more than 100/120 MB in normal time unless scanned) but BitDefender uses less CPU than Kaspersky. BitDefender could not be placed in the first place due to the use of more RAM.
Avast Free Antivirus: Avast has probably been able to overcome its previous history of various failures. This is evidenced by the proactive detection of 99.36% in real-time execution tests with 1613 malignant files of random malware/ransomware and various other variants. It also achieved a 100% detection rate in tests against 56 separate ransomware. Note that Avast's paid and free antivirus engines are the same so there is absolutely no shortage of security. RAM, CPU usage, and much less. It is around 100 megabytes. So no need to worry about system speed.
Problems: Avast tries to impress users step by step to buy their premium products. And they have other products like Avast driver updater, avast cleanup, and VPN trying to persuade the user through different pop-ups to buy them. This is why they often give wrong information so that the customer is forced to buy the product like they are running PC slow, confuses anyone with the message that your activity can be seen on the internet, and persuades them to buy VPN, cleanup, etc.
Avira Free Antivirus: Avira Antivirus is one of the contenders for this list with 1532 malware and 99.3% detection in real-time tests. In addition to security, it consumes resources and costs less. Basically, Avira works with CPU without relying on RAM at all, it was seen to use up to 20/30% CPU during the test, but the usage of RAM was only around 100 megabytes.
Sophos: Sophos is a little different from another antivirus because it is cloud-based, that is, it works from the Internet, so your PC will not have too much pressure. However, when it comes to protection, Sophos has been able to successfully block 1897 different types of malware, the real-time test of ransomware, all but one file.
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