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More security scanners for Windows - Device and Productivity Software
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data-md-toggle="__nav_2" type="checkbox" id="__nav_2" > <label class="md-nav__link" for="__nav_2"> Devices <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Devices" data-md-level="1"> <label class="md-nav__title" for="__nav_2"> <span class="md-nav__icon md-icon"></span> Devices </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/" class="md-nav__link"> Introduction </a> </li> <li class="md-nav__item"> <a href="../../devices/android/" class="md-nav__link"> Android </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_3" type="checkbox" id="__nav_2_3" > <label class="md-nav__link" for="__nav_2_3"> macOS <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="macOS" data-md-level="2"> <label class="md-nav__title" for="__nav_2_3"> <span class="md-nav__icon md-icon"></span> macOS </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/mac/" class="md-nav__link"> Introduction </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/AboutAppleSiliconMacs/" class="md-nav__link"> About Apple Silicon ("M1") Macs </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/macos_versions/" class="md-nav__link"> About macOS Versions </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/AboutSoftwareUpdates/" class="md-nav__link"> About Software Updates </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/PurchasingAppleHardware/" class="md-nav__link"> Purchasing Apple Hardware </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/Installation/" class="md-nav__link"> Installation at CERN </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_3_7" type="checkbox" id="__nav_2_3_7" > <label class="md-nav__link" for="__nav_2_3_7"> Getting applications for macOS <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Getting applications for macOS" data-md-level="3"> <label class="md-nav__title" for="__nav_2_3_7"> <span class="md-nav__icon md-icon"></span> Getting applications for macOS </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/mac/AcquiringApplications/" class="md-nav__link"> Introduction </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MacSelfService/" class="md-nav__link"> The Mac Self-Service </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/AppleAppStore/" class="md-nav__link"> The Apple App Store </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MicrosoftOfficeMac/" class="md-nav__link"> Microsoft Office Apps </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="../../devices/mac/HomeFolders/" class="md-nav__link"> Home folders </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_3_9" type="checkbox" id="__nav_2_3_9" > <label class="md-nav__link" for="__nav_2_3_9"> The Mac Self-Service <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="The Mac Self-Service" data-md-level="3"> <label class="md-nav__title" for="__nav_2_3_9"> <span class="md-nav__icon md-icon"></span> The Mac Self-Service </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/mac/MacSelfService/" class="md-nav__link"> Introduction </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MacSelfService/Enrolling/" class="md-nav__link"> Enrolling a Mac </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MacSelfService/Using/" class="md-nav__link"> Using the Self-Service app </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MacSelfService/Troubleshooting/" class="md-nav__link"> Troubleshooting </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MacSelfService/Unenrolling/" class="md-nav__link"> Unenrolling a Mac </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MacSelfService/outdatedMajorOs/" class="md-nav__link"> Alerts for Unsupported Major OS versions </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="../../devices/mac/printing/" class="md-nav__link"> Printing from macOS </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/RepairingAppleHardware/" class="md-nav__link"> Repairing Apple Hardware </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/AboutKerberosAndSsh/" class="md-nav__link"> Configuring kerberos and ssh </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/sshTunnel/" class="md-nav__link"> Accessing Internal Webpages from Outside CERN </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/DiskEncryption/" class="md-nav__link"> Disk Encryption </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_3_15" type="checkbox" id="__nav_2_3_15" > <label class="md-nav__link" for="__nav_2_3_15"> Further information <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Further information" data-md-level="3"> <label class="md-nav__title" for="__nav_2_3_15"> <span class="md-nav__icon md-icon"></span> Further information </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/mac/MacServiceDocs/" class="md-nav__link"> Mac Service (CERN Service Portal) </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/MacCERNKBs/" class="md-nav__link"> Knowledge Base (CERN Service Portal) </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/AppleDocs/" class="md-nav__link"> Apple Documentation </a> </li> </ul> </nav> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_4" type="checkbox" id="__nav_2_4" > <label class="md-nav__link" for="__nav_2_4"> iOS <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="iOS" data-md-level="2"> <label class="md-nav__title" for="__nav_2_4"> <span class="md-nav__icon md-icon"></span> iOS </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/ios/" class="md-nav__link"> Introduction </a> </li> <li class="md-nav__item"> <a href="../../devices/mac/PurchasingAppleHardware/" class="md-nav__link"> Purchasing </a> </li> <li class="md-nav__item"> <a href="../../devices/ios/FrequentIssues/" class="md-nav__link"> Frequent Issues </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="../../devices/ppc/" class="md-nav__link"> Public PC </a> </li> <li class="md-nav__item"> <a href="../../devices/kiosk/" class="md-nav__link"> Requesting a KIOSK </a> </li> <li class="md-nav__item"> <a href="../../devices/PC-HW/" class="md-nav__link"> Screens for PCs and Macs </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_8" type="checkbox" id="__nav_2_8" > <label class="md-nav__link" for="__nav_2_8"> Windows <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Windows" data-md-level="2"> <label class="md-nav__title" for="__nav_2_8"> <span class="md-nav__icon md-icon"></span> Windows </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/windows/" class="md-nav__link"> Introduction </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/setupWindowsForCERN/" class="md-nav__link"> Set up Windows device for CERN </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_8_3" type="checkbox" id="__nav_2_8_3" > <label class="md-nav__link" for="__nav_2_8_3"> About Windows versions <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="About Windows versions" data-md-level="3"> <label class="md-nav__title" for="__nav_2_8_3"> <span class="md-nav__icon md-icon"></span> About Windows versions </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/windows/win11_new/" class="md-nav__link"> What is new in Windows 11 ? </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/version/" class="md-nav__link"> Windows versions </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_8_4" type="checkbox" id="__nav_2_8_4" > <label class="md-nav__link" for="__nav_2_8_4"> CMF <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="CMF" data-md-level="3"> <label class="md-nav__title" for="__nav_2_8_4"> <span class="md-nav__icon md-icon"></span> CMF </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/windows/cmf/" class="md-nav__link"> Introduction </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/cmf/users_guide/" class="md-nav__link"> How to use CMF </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/cmf/admin_guide/" class="md-nav__link"> Administrators Guide </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/cmf/project_requirements/" class="md-nav__link"> Project Requirements </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/cmf/technical_description/" class="md-nav__link"> Technical Description </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_8_5" type="checkbox" id="__nav_2_8_5" > <label class="md-nav__link" for="__nav_2_8_5"> CERN AppStore <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="CERN AppStore" data-md-level="3"> <label class="md-nav__title" for="__nav_2_8_5"> <span class="md-nav__icon md-icon"></span> CERN AppStore </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/windows/CERNAppstore/client/" class="md-nav__link"> How to use CERN AppStore </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="../../devices/windows/encryption/" class="md-nav__link"> Disk Encryption </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_8_7" type="checkbox" id="__nav_2_8_7" > <label class="md-nav__link" for="__nav_2_8_7"> Further information <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Further information" data-md-level="3"> <label class="md-nav__title" for="__nav_2_8_7"> <span class="md-nav__icon md-icon"></span> Further information </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../../devices/windows/windowsServiceDocs/" class="md-nav__link"> Windows Service (CERN Service Portal) </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/windowsCERNKBs/" class="md-nav__link"> Knowledge Base (CERN Service Portal) </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/microsoftDocs/" class="md-nav__link"> Microsoft Documentation </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="../../devices/windows/homeFolders/" class="md-nav__link"> Home folders </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/installation/" class="md-nav__link"> Installation at CERN </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/joindomain/" class="md-nav__link"> Joining the CERN domain </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/windowsUpgrades/" class="md-nav__link"> Upgrading your Windows version </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/updates/" class="md-nav__link"> Keeping your computer up-to-date </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/WebAuthnWindows/" class="md-nav__link"> Using your fingerprint for 2FA </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/win11_application/" class="md-nav__link"> Follow-up Windows 11 Migration </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/win11_downgrade/" class="md-nav__link"> Downgrade from Windows 11 to Windows 10 </a> </li> <li class="md-nav__item"> <a href="../../devices/windows/create_a_windows_virtual_machine/" class="md-nav__link"> Create a Windows virtual machine </a> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_2_8_17" type="checkbox" id="__nav_2_8_17" > <label class="md-nav__link" for="__nav_2_8_17"> Managing permissions on the file system <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Managing permissions on the file system" data-md-level="3"> <label 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</nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_14" type="checkbox" id="__nav_3_14" > <label class="md-nav__link" for="__nav_3_14"> Password management <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Password management" data-md-level="2"> <label class="md-nav__title" for="__nav_3_14"> <span class="md-nav__icon md-icon"></span> Password management </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../keepass2android/" class="md-nav__link"> Keepass2Android </a> </li> <li class="md-nav__item"> <a href="../keepass_xc/" class="md-nav__link"> Keepass XC </a> </li> <li class="md-nav__item"> <a href="../strongbox/" class="md-nav__link"> Strongbox (iOS) </a> </li> <li class="md-nav__item"> <a href="../tbag/" class="md-nav__link"> tbag </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle 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</label> <nav class="md-nav" aria-label="Virtualization software" data-md-level="2"> <label class="md-nav__title" for="__nav_3_16"> <span class="md-nav__icon md-icon"></span> Virtualization software </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../hyperv/" class="md-nav__link"> Hyper-V (Windows) </a> </li> <li class="md-nav__item"> <a href="../openstack/" class="md-nav__link"> OpenStack </a> </li> <li class="md-nav__item"> <a href="../virtualbox/" class="md-nav__link"> Oracle VirtualBox </a> </li> <li class="md-nav__item"> <a href="../parallels/" class="md-nav__link"> Parallels (macOS) </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--nested"> <input class="md-nav__toggle md-toggle" data-md-toggle="__nav_3_17" type="checkbox" id="__nav_3_17" > <label class="md-nav__link" for="__nav_3_17"> Web Authoring software <span class="md-nav__icon md-icon"></span> </label> <nav class="md-nav" aria-label="Web Authoring software" data-md-level="2"> <label class="md-nav__title" for="__nav_3_17"> <span class="md-nav__icon md-icon"></span> Web Authoring software </label> <ul class="md-nav__list" data-md-scrollfix> <li class="md-nav__item"> <a href="../webauth/" class="md-nav__link"> Web Authoring tools for Desktops </a> </li> </ul> </nav> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <div class="md-sidebar md-sidebar--secondary" data-md-component="sidebar" data-md-type="toc" > <div class="md-sidebar__scrollwrap"> <div class="md-sidebar__inner"> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class="md-nav__title" for="__toc"> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class="md-nav__list" data-md-component="toc" data-md-scrollfix> <li class="md-nav__item"> <a href="#microsoft-defender-offline" class="md-nav__link"> Microsoft Defender Offline </a> <nav class="md-nav" aria-label="Microsoft Defender Offline"> <ul class="md-nav__list"> <li class="md-nav__item"> <a href="#how-to-run-an-offline-scan" class="md-nav__link"> How to run an offline scan ? </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="#malicious-software-removal-tool-msrt" class="md-nav__link"> Malicious Software Removal Tool (MSRT) </a> <nav class="md-nav" aria-label="Malicious Software Removal Tool (MSRT)"> <ul class="md-nav__list"> <li class="md-nav__item"> <a href="#how-to-run-a-scan-with-msrt" class="md-nav__link"> How to run a scan with MSRT ? </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="#microsoft-safety-scanner-mss" class="md-nav__link"> Microsoft Safety Scanner (MSS) </a> <nav class="md-nav" aria-label="Microsoft Safety Scanner (MSS)"> <ul class="md-nav__list"> <li class="md-nav__item"> <a href="#how-to-run-a-scan-with-mss" class="md-nav__link"> How to run a scan with MSS ? </a> </li> </ul> </nav> </li> <li class="md-nav__item"> <a href="#what-are-common-symptoms-of-an-infection" class="md-nav__link"> What are common symptoms of an infection ? </a> </li> <li class="md-nav__item"> <a href="#where-can-i-get-more-help-with-malware-and-virus-infections" class="md-nav__link"> Where can I get more help with malware and virus infections ? </a> </li> </ul> </nav> </div> </div> </div> <div class="md-content" data-md-component="content"> <article class="md-content__inner md-typeset"> <a href="https://gitlab.cern.ch/IT-DEP-CDA-AD/devices-docs/blob/master/docs/pss/morescan.md" title="Edit this page" class="md-content__button md-icon"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20.71 7.04c.39-.39.39-1.04 0-1.41l-2.34-2.34c-.37-.39-1.02-.39-1.41 0l-1.84 1.83 3.75 3.75M3 17.25V21h3.75L17.81 9.93l-3.75-3.75L3 17.25Z"/></svg> </a> <h1 id="additional-security-scanners-for-windows">Additional security scanners for Windows</h1> <div class="admonition info"> <p class="admonition-title">If you need Help!</p> <ul> <li><strong>About infection on your device</strong>, you can report an <a href="https://cern.service-now.com/service-portal?id=sc_cat_item&name=incident&fe=antivirus"><strong>incident</strong></a> / submit a <a href="https://cern.service-now.com/service-portal?id=sc_cat_item&name=request&fe=antivirus"><strong>request</strong></a>.</li> <li>You can also reach the Service Desk by phone at <strong>77777</strong> or by e-mail at <a href="mailto:service-desk@cern.ch"><strong>service-desk@cern.ch</strong></a>.</li> <li>Visit the <a href="https://security.web.cern.ch/recommendations/en/index.shtml">CERN Computer Security</a> website.</li> </ul> </div> <p>These additional security scanners <strong>do not replace your antivirus product</strong> such as <a href="https://devices.docs.cern.ch/pss/defend/">Windows Defender (Windows 10)</a> or any other certified antivirus. These scanners are strictly <strong>a post-infection removal tools</strong>. Therefore, we strongly recommend that you use use an up-to-date certified antivirus product.</p> <h2 id="microsoft-defender-offline">Microsoft Defender Offline</h2> <p><strong>Microsoft Defender Offline</strong> is a built-in Windows 10 component. This feature is a powerful offline scanning tool that runs from a trusted environment, without starting your Windows system. The offline scan runs from outside the normal Windows kernel so it can target malware that attempts to bypass the Windows shell, such as viruses and rootkits that infect or overwrite the master boot record (MBR).</p> <p><strong>Run Microsoft Defender Offline if </strong>:</p> <ul> <li>Windows Security detects rootkits or other highly persistent malware on your Windows PC and alerts you to use Microsoft Defender Offline. When it occurs, a message stating that malware was found on your device is displayed, or you receive a message in Windows Security notifying you that additional cleaning is required.</li> <li>You suspect your Windows PC might have malware that is hiding on it, but your security software doesn鈥檛 detect anything.</li> </ul> <h3 id="how-to-run-an-offline-scan">How to run an offline scan ?</h3> <ul> <li><a href="https://devices.docs.cern.ch/pss/defend/#how-to-perform-an-offline-scan-with-windows-defender">Consult the user documentation <em><strong>How to perform an Offline scan with Windows Defender?</strong></em></a></li> </ul> <h2 id="malicious-software-removal-tool-msrt">Malicious Software Removal Tool (MSRT)</h2> <p><strong>MSRT</strong> helps keep Windows computers free from prevalent malware. MSRT finds and removes threats and reverses the changes made by these threats. MSRT is released each month as part of Windows Update and deployed during the CERN monthly patches (must run at least once).</p> <ul> <li>Supported Operating System :<ul> <li>Windows 11 and 10 (currently supported at CERN), 8.1, 8, 7 (no more supported at CERN).</li> <li>Windows Server 2022, 2019, 2016 (currently supported at CERN), 2012 R2, 2012, 2008 R2, 2008 (no more supported at CERN).</li> </ul> </li> </ul> <div class="admonition warning"> <p class="admonition-title">This tool must be run with local administrator privileges.</p> </div> <h3 id="how-to-run-a-scan-with-msrt">How to run a scan with MSRT ?</h3> <ol> <li><a href="https://www.microsoft.com/en-us/download/details.aspx?id=9905">Download MSRT</a></li> <li>And perform one of the following actions :<ol> <li>To start the tool immediately after it downloads, click Run.</li> <li>To save the download to your computer for launch later, click Save.</li> </ol> </li> <li>Open the tool to start scanning.</li> </ol> <div class="admonition info"> <p class="admonition-title">For more information about Malicious Software Removal Tool.</p> <ul> <li><a href="https://support.microsoft.com/en-us/topic/remove-specific-prevalent-malware-with-windows-malicious-software-removal-tool-ba51b71f-39cd-cdec-73eb-61979b0661e0">Consult the support article <strong><em>Remove specific prevalent malware with MSRT</em></strong></a></li> </ul> </div> <h2 id="microsoft-safety-scanner-mss">Microsoft Safety Scanner (MSS)</h2> <p><strong>MSS</strong> is a scan tool designed to find and remove malware from Windows computers. Simply download it and run a scan to find malware and try to reverse changes made by identified threats.</p> <ul> <li>Supported Operating System :<ul> <li>Windows 11 and 10 (currently supported at CERN), 8.1, 8, 7 (no more supported at CERN).</li> <li>Windows Server 2022, 2019, 2016 (currently supported at CERN), 2012 R2, 2012, 2008 R2, 2008 (no more supported at CERN).</li> </ul> </li> </ul> <div class="admonition warning"> <p class="admonition-title">This tool must be run with local administrator privileges.</p> </div> <h3 id="how-to-run-a-scan-with-mss">How to run a scan with MSS ?</h3> <ol> <li><a href="https://docs.microsoft.com/en-us/windows/security/threat-protection/intelligence/safety-scanner-download">Download MSS</a> and open it.</li> <li>Select the type of scan you want run and start the scan.</li> <li>Review the scan results displayed on screen. <ul> <li>For detailed detection results, view the log at %SYSTEMROOT%\debug\msert.log.</li> </ul> </li> <li>To remove this tool, delete the executable file (msert.exe by default).</li> </ol> <div class="admonition info"> <p class="admonition-title">For more information about Microsoft Safety Scanner.</p> <ul> <li><a href="https://support.microsoft.com/kb/2520970">Consult the KB article <strong><em>How to troubleshoot problems using MSS?</em></strong></a></li> </ul> </div> <h2 id="what-are-common-symptoms-of-an-infection">What are common symptoms of an infection ?</h2> <div class="admonition warning"> <p class="admonition-title">Not all computer performance problems are caused by malicious software.</p> </div> <p>The presence of malware on your computer may not always be immediately obvious, so it is important <strong>to run regular scans</strong>. However, some of the more common symptoms are listed below:</p> <ul> <li>New toolbars, links or favorites that you did not intentionally add to your web browser.</li> <li>You type the address for a specific site, such as a search engine, but you are taken to a different website without notice.</li> <li>Your Home Page or Search Program in your favorite Internet browser changes unexpectedly.</li> <li>Your files are automatically deleted from your computer.</li> <li>Your computer is turned on Botnet by attackers and it is used to attack other computers.</li> <li>Unattended pop-up ads are displayed without your consent, even if you are not on the Internet.</li> <li>Onscreen Warnings about system infection from a source other than your antivirus software</li> <li>Your Windows machine suddenly starts running more slowly than usual.</li> <li>The Antivirus icon disappears from the system tray or cannot be started.</li> </ul> <h2 id="where-can-i-get-more-help-with-malware-and-virus-infections">Where can I get more help with malware and virus infections ?</h2> <div class="admonition info"> <p class="admonition-title">More about malware and infections</p> <ul> <li><a href="https://learn.microsoft.com/en-us/microsoft-365/security/?view=o365-worldwide">Microsoft 365 Security Intelligence</a> (external link)</li> </ul> </div> </article> </div> <script>var tabs=__md_get("__tabs");if(Array.isArray(tabs))e:for(var set of document.querySelectorAll(".tabbed-set")){var tab,labels=set.querySelector(".tabbed-labels");for(tab of tabs)for(var label of labels.getElementsByTagName("label"))if(label.innerText.trim()===tab){var input=document.getElementById(label.htmlFor);input.checked=!0;continue e}}</script> </div> </main> <footer class="md-footer"> <nav class="md-footer__inner md-grid" aria-label="Footer" > <a href="../eset-mac/" class="md-footer__link md-footer__link--prev" aria-label="Previous: ESET for MacOS" rel="prev"> <div class="md-footer__button md-icon"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M20 11v2H8l5.5 5.5-1.42 1.42L4.16 12l7.92-7.92L13.5 5.5 8 11h12Z"/></svg> </div> <div class="md-footer__title"> <div class="md-ellipsis"> <span class="md-footer__direction"> Previous </span> ESET for MacOS </div> </div> </a> <a href="../mbamclean/" class="md-footer__link md-footer__link--next" aria-label="Next: Malwarebytes Support Tool" rel="next"> <div class="md-footer__title"> <div class="md-ellipsis"> <span class="md-footer__direction"> Next </span> Malwarebytes Support Tool </div> </div> <div class="md-footer__button md-icon"> <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M4 11v2h12l-5.5 5.5 1.42 1.42L19.84 12l-7.92-7.92L10.5 5.5 16 11H4Z"/></svg> </div> </a> </nav> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class="md-copyright"> Made with <a href="https://squidfunk.github.io/mkdocs-material/" target="_blank" rel="noopener"> Material for MkDocs </a> </div> </div> </div> </footer> </div> <div class="md-dialog" data-md-component="dialog"> <div class="md-dialog__inner md-typeset"></div> </div> <script id="__config" type="application/json">{"base": "../..", "features": ["navigation.tabs", "content.tabs.link"], "search": "../../assets/javascripts/workers/search.5bf1dace.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.config.lang": "en", "search.config.pipeline": "trimmer, stopWordFilter", "search.config.separator": "[\\s\\-]+", "search.placeholder": "Search", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version.title": "Select version"}}</script> <script src="../../assets/javascripts/bundle.37e9125f.min.js"></script> </body> </html>