Is not a replacement for an antivirus product. Your computer, you can download a copy from the Microsoft DownloadĬenter, or you can run an online version from. The next time that you start your computer. If an infection is found, the tool will display a status report Infection by specific, prevalent malicious software (includingīlaster, Sasser, and Mydoom) and helps remove any infection that isįound. You may need to restart your computer for this update to take effect.Īfter the download, this tool runs one time to check your computer for Windows Malicious Software Removal Tool 圆4 - February 2017 (KB890830) The Malicious Software Removal Tool (or KB890830) is a Windows malware-protection offering that updates and runs once a month, and proceeds to remove any threats it finds without user confirmation.

In the early hours of February 24th GMT, Windows' automatic updates installed an update on my Windows 7 machine that included a definition update to the Malicious Software Removal Tool.

Kb890830