New 'Defendnot' Tool Tricks Windows Into Disabling Microsoft Defender

New 'Defendnot' tool tricks Windows into disabling Microsoft Defender

A new tool called 'Defendnot' can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed.

Defendnot tool pitched as 'an even funnier way’ to disable Windows Defender

Defendnot disables Windows Defender without replacing it with a genuine rival antivirus (AV) product.

New 'Defendnot' Tool Tricks Windows Into Disabling Microsoft Defender - Cybernoz - Cybersecurity News

A new tool called ‘Defendnot’ can disable Microsoft Defender on Windows devices by registering a fake antivirus product, even when no real AV is installed. The trick utilizes an undocumented Windows Security Center (WSC) API that antivirus software uses to tell Windows it is installed and is now managing the real-time protection for the device. When an antivirus program is registered, Windows automatically disables Microsoft Defender to avoid co…