


Active malicious software is malicious software that is currently running on the computer. The tool focuses on the detection and removal of active malicious software.Specific prevalent malicious software is a small subset of all the malicious software that exists today. The tool removes only specific prevalent malicious software.It is significantly more desirable to block malicious software from running on a computer than to remove it after infection. Antivirus products block malicious software from running on a computer. The tool removes malicious software from an already-infected computer.The MSRT differs from an antivirus product in three important ways: Therefore, we strongly recommend that you install and use an up-to-date antivirus product. It is strictly a post-infection removal tool.

The MSRT does not replace an antivirus product.
