![]() ![]() Last but not least, updates are released regularly for Windows Defender which update the definition database while updates for the Malicious Software Removal Tool are usually only released once a month on Microsoft's Patch Day (second Tuesday of each month). Windows Defender has been designed to block malicious code from being executed on the system to prevent infection of the system, while the Malicious Software Removal Tool's purpose is to remove infections on systems that are already infected.Īnother difference is that Windows Defender runs all the time on the system like any other active antivirus solution while the Malicious Software Removal Tool only when the user activates it. One of the core differences between Windows Defender and the Malicious Software Removal Tool is therefore purpose. The Malicious Software Removal Tool on the other hand has been designed specifically to remove malware from systems that are already infected (hence the name). While some protection is better than none usually, it is fairly limited when it comes to protecting Windows from attacks and ranks low in independent antivirus tests. Windows Defender is a real-time antivirus solution that is active by default on systems running Windows 8 and newer. This expiry feature is there to make sure you have the latest signature, every day when you download the Safety Scanner, it has new signatures which detects new malwares so need to download the latest version before perform scanning.The most common ones are Windows Defender, which Microsoft included in Windows Vista and successive versions of the Windows operating system, Microsoft Security Essentials, which is offered as a standalone version for versions of Windows prior to Windows 8, and the Malicious Software Removal Tool which is also available as a standalone version. If you want to download MSRT, you may refer to the following link:įor Safety Scanner, you may refer to the following link:įor the Safety Scanner, it will be expired after 10 days, so when you download it you should use it immediately. In general it is always recommended to run Safety Scanner, because it contains malware signature for all known malware (and it also detects some unknown malwares based on their behaviors), however if you are in hurry and you don’t have time to wait to download a large file, then MSRT could be a temporary measurement but you need to use Safety Scanner later on. You may use another PC to copy MSRT in a flash memory and run scan from your flash memory and remove malwares which block downloading Anti-Malware and then download Anti-Malware and update it and run a full system scan to remove all malwares. For example, consider a case which your PC is infected and you are unable to install Anti-Malware software or update it. However, there are cases when you might have a very slow internet and downloading Safety Scanner might takes a lot of time while you are in hurry and in this case, you may download MSRT and because size of file is smaller than Safety Scanner, it will be download faster and you may run scan and remove malwares (it won’t remove all) but this process could help you to remove dangerous malwares first and fix some issues for a while and then while you are doing this, download Safety Scanner. For example, if you suspicious of malware in your PC but either it won’t be detected by your current Anti-Malware product or you don’t have any Anti-Malware software, then you have should use Safety Scanner which contains detection for all known malwares. However for Safety Scanner, there is no automatic download or monthly scanning and you only could scan your PC with it, if you visit the website and download it.Ī question remains that which one should I use? It basically depends on your plan and requirements. In the other word, every month new families of malwares will be added to MSRT and when you update your PC, it will run a quick scan on your PC. ![]() MSRT has been scanning your PC every month through Windows Update.Therefore the file size of Safety Scanner is larger than MSRT, because Safety Scanner contains more detection and removal tools. However, Safety Scanner is capable of removing all known malwares at the time when you downloaded it. MSRT only removes specific malwares (and NOT all malwares), they are usually famous malwares which distributed around the world or they are very high risk.The following are the main differences between Safety Scanner and MSRT: Since both of them are Microsoft scanners, people sometimes get confused by which one should they use. Malicious Software Removal Tool (MSRT) and Safety Scanner are two removal tools which could scan and remove malwares from your PC without interfere with your Anti-Malware product (because they are only scanner and not real time protection). ![]()
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