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By 1st Feburary of 2020, Microsoft will officially annouce f drops support for code sign certificates using SHA-1 hash algorithm.
So this applies to AppCheck's Real-time Protection, may cause to disable Realtime Protection, due to the failure of loading AppCheck kernel driver in environments where SHA-1 codesign signature is expired.
You can check your OS supports SHA-2 codesign by following method:
Go to "C:\Program Files\CheckMAL\AppCheck\AppCheckD.sys"
Click properties > Signatures and see if there's SHA-2 in the signature column.
Please use follwing methods if you were unable to find SHA-2 support in your system.
Especially environments in WIndows 7, and Windows Server 2008 R2 please use Windows Update to get your PC up-to-date.
In case if you are willing to selectively update to support SHA-2 feature, please download files for your operating system from following links.
[Korean]
[English]
[Japanese]
[AppCheck Update Schedule]
So this applies to AppCheck's Real-time Protection, may cause to disable Realtime Protection, due to the failure of loading AppCheck kernel driver in environments where SHA-1 codesign signature is expired.
You can check your OS supports SHA-2 codesign by following method:
Go to "C:\Program Files\CheckMAL\AppCheck\AppCheckD.sys"
Click properties > Signatures and see if there's SHA-2 in the signature column.
Please use follwing methods if you were unable to find SHA-2 support in your system.
Especially environments in WIndows 7, and Windows Server 2008 R2 please use Windows Update to get your PC up-to-date.
In case if you are willing to selectively update to support SHA-2 feature, please download files for your operating system from following links.
[Korean]
- Shortcut to 32bit update : https://www.microsoft.com/ko-kr/download/details.aspx?id=46078
- Shortcut to 64bit update : https://www.microsoft.com/ko-kr/download/details.aspx?id=46148
[English]
- Shortcut to 32bit update : https://www.microsoft.com/en-US/download/details.aspx?id=46078
- Shortcut to 64bit update : https://www.microsoft.com/en-US/download/details.aspx?id=46148
[Japanese]
- Shortcut to 32bit update : https://www.microsoft.com/ja-JP/download/details.aspx?id=46078
- Shortcut to 64bit update : https://www.microsoft.com/ja-JP/download/details.aspx?id=46148
[AppCheck Update Schedule]
- AppCheck 2.5.43.4 (Jan.28. 2020): Display popup to install SHA-2 support updates. (as tray notification popup)
- Starting from AppCheck 2.5.44.1 AppCheck installation will fail on enviroments where SHA-2 support is not installed.