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Just curious if a complete OS reinstall is actually a guarantee you are malware free

Can a BIOS or drivers be infected with malware?

If so does EAM scan said items?

Thanks

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Whenever you reinstall the OS, all drivers are reinstalled, so if you did a complete reinstall, no malware drivers will be left.

The BIOS is firmware, that means it is hard coded in the device (in this case the mother board). If that code would be infected, a reformat/reinstall has no effect on it. You can however flash the latest firmware version before doing a reinstall.

If EAM is installed it ought to block an attempt by malware to write a custom BIOS (you would expect to see a Direct Disk Access alert).

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34 minutes ago, Elise said:

Whenever you reinstall the OS, all drivers are reinstalled, so if you did a complete reinstall, no malware drivers will be left.

The BIOS is firmware, that means it is hard coded in the device (in this case the mother board). If that code would be infected, a reformat/reinstall has no effect on it. You can however flash the latest firmware version before doing a reinstall.

If EAM is installed it ought to block an attempt by malware to write a custom BIOS (you would expect to see a Direct Disk Access alert).

So if I do a clean install from windows 7 downloaded from microsoft it installs the drivers?

edit...from what I read windows 10 will reinstall all the drivers but with windows 7 I might have to install some manually 

Thanks for your help

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Yes, but if you have to manually install some drivers, you still can download the drivers via Windows Update or from the manufacturers site.

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