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Microsoft Safety Scanner is a free time-limited virus scan utility similar to the Windows Malicious Software Removal Tool. It is used to scan a system for computer viruses and other forms of malware. It was released on 15 April 2011, following the discontinuation of the Windows Live OneCare Safety Scanner. [4]
Microsoft Windows Malicious Software Removal Tool (MSRT) is a freeware second-opinion malware scanner that Microsoft's Windows Update downloads and runs on Windows computers each month, independent of the installed antivirus software. First released on January 13, 2005, [2] MSRT does not offer real-time protection.
Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component of Microsoft Windows. It was first released as a downloadable free anti-spyware program for Windows XP and was shipped with Windows Vista and Windows 7 .
Always keep your Microsoft Windows operating system up to date and ensure that the latest security updates are installed using the Windows Update utility. Use antivirus software to protect your computer from viruses and other malware and always keep your antivirus definitions and databases up-to-date.
Many antivirus products use "third-party antivirus engine". This means that the antivirus engine is made by another producer; however, the malware signature and/or other parts of the product may (or may not) be done from the owner of the product itself.
Malwarebytes is primarily a scanner that scans and removes malicious software, including rogue security software, adware, and spyware.Malwarebytes scans in batch mode, rather than scanning all files opened, reducing interference if another on-demand anti-malware software is also running on the computer.
Anti-virus software can attempt to scan for rootkits. A rootkit is a type of malware designed to gain administrative-level control over a computer system without being detected. Rootkits can change how the operating system functions and in some cases can tamper with the anti-virus program and render it ineffective. Rootkits are also difficult ...
The utility searches files that are no longer of any use, and enables the user to delete them. The candidates for deletion are categorized as: "Windows Update Cleanup": Copies of Windows updates that are already installed "Microsoft Defender Antivirus": Temporary files that Microsoft Defender Antivirus no longer needs
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