Microsoft Windows Defender Bootable Scanner

What is Windows Defender Offline?
Sometimes, malicious and other potentially unwanted software, including rootkits, try to install themselves on your PC. This can happen when you connect to the Internet or install some programs from a CD, DVD, or other media. Once on your PC, this software might run immediately, or it might run at unexpected times. Windows Defender Offline can help remove such hard to find malicious and potentially unwanted programs using definitions that recognize threats. Definitions are files that provide an encyclopedia of potential software threats. Because new threats appear daily, it's important to always have the most up-to-date definitions installed in Windows Defender Offline. Armed with definition files, Windows Defender Offline can detect malicious and potentially unwanted software, and then notify you of the risks.

1.    Download both 32 & 64 bit versions using the link below:

2.    Launch MSSSTOOL32.EXE and accept the EULA terms.
3.    Select the option to create an ISO file and specify the file path the ISO.
4.    The program will automatically download necessary files, process and create an ISO image to the path you specified.                                 
5.    Once the ISO is created, repeat step two but launch the 64bit version to create a 64bit ISO.

6.    Navigate to the ISO files and copy both 32 and 64 (WDO_Media32.iso & WDO_Media64.iso) to the c:\uxd folder

7. Open c:\uxd\pxdlinux.cfg folder and open tools in notepad

8. Create two new label entries as shown below:

label 0.8

menu label Windows Defender 32
text help
     Microsoft Malware Scanner for 32 bit computers
kernel syslinux\memdisk
initrd WDO_Media32.iso
append iso raw

label 0.9

menu label Windows Defender 64
text help
     Microsoft Malware Scanner for 64 bit computers
kernel syslinux\memdisk
initrd WDO_Media64.iso
append iso raw

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