So what actually happened is that the scanner found possible malware fragments, communicated with the MAPS servers and confirmed there weren't any active malware that it can identify running and completed its operation by reporting these final results as well as uploading its reporting to MAPS as a record.īack to your case, according to the screenshots there's nothing truly wrong with what the Safety Scanner found. Near the end of the scanning process, say 95% complete, the Microsoft scanners all perform a MAPS (Microsoft Active Protection Service) request via internet to the the Microsoft cloud servers in order to upload their initial findings and request confirmation that these findings are either truly malware or instead possible false positive detections or incomplete fragments of inactive malware. In many cases these specific items have been found in the past to be related to malware, but they are all really just small fragments that have matched signatures, but aren't yet truly confirmed as the specific malware that might include them. The "Files Infected" count displayed on the Microsoft Safety Scanner, scan in progress screen or any of their other security products for that matter, is actually just a preliminary status indication that there are items which may contain malware. To remove this tool, delete the executable file (msert.exe by default).įor more information about the Safety Scanner, see the support article on how to troubleshoot problems using Safety Scanner.To truly answer your question, you need to understand how the Microsoft security apps actually operate, since that's part of why this sort of situation can be confusing to those who don't. For detailed detection results, view the log at %SYSTEMROOT%\debug\msert.log. Review the scan results displayed on screen.Select the type of scan that you want to run and start the scan.For details, refer to the Microsoft Lifecycle Policy. Safety Scanner helps remove malicious software from computers running Windows 11, Windows 10, Windows 10 Tech Preview, Windows 8.1, Windows 8, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server Tech Preview, Windows Server 2012 R2, Windows Server 2012, or Windows Server 2008 R2. If you're having difficulties removing malware with these products, you can refer to our help on removing difficult threats. These antimalware products also provide powerful malware removal capabilities. For real-time protection with automatic updates, use Microsoft Defender Antivirus on Windows 11, Windows 10, and Windows 8 or Microsoft Security Essentials on Windows 7. This tool doesn't replace your antimalware product. Safety Scanner is a portable executable and doesn't appear in the Windows Start menu or as an icon on the desktop. We recommend that you always download the latest version of this tool before each scan. To rerun a scan with the latest anti-malware definitions, download and run Safety Scanner again. Safety Scanner expires 10 days after being downloaded. Microsoft Safety Scanner only scans when manually triggered. The security intelligence update version of the Microsoft Safety Scanner matches the version described in this web page. To learn more, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS. Your devices must be updated to support SHA-2 in order to run Safety Scanner. Safety Scanner is exclusively SHA-2 signed.
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