Starting with Windows 10 version 1607, the user can manually perform an offline scan of his computer using this tool. In some cases, the operating system security system independently suggests using Windows 10 Offline Defender as an additional tool for cleaning the system from viruses.

To perform a deep system scan after a massive virus infection.

You suspect that viruses are affecting your PC, but the antivirus does not detect them.

Built-in antivirus Windows Security (formerly Windows Defender Security Center) detects rootkits or hard-to-remove malware on your computer.

The Microsoft Defender Offline scan is performed in the following cases: Thanks to this, Windows Autonomous Defender can detect malicious software that tries to bypass the standard Windows shell protection. Windows Defender Autonomous Defender is scanned from a trusted “clean” environment, outside the operating system kernel, before starting or during a PC reboot. In such situations, the standalone Microsoft Defender module will help the user to detect and neutralize virus programs. Viruses, for example, rootkits, try to infiltrate a PC outside the Windows shell, such as a boot record (MBR), to bypass the protection performed by an anti-virus program installed on the computer.

In these situations, it is not at all easy for antivirus to block the negative effects of malware. Some of the malicious software penetrates deeply into the system and is removed from the computer with great difficulty.

Windows defender offline scan download