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PostPosted: Sun Jul 01, 2012 11:58 pm 
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Black Belt 4th Degree
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Although I have no problems or issues with this PC's BIOS I ask this question for my own personal knowledge.

1) Are there any types of computer viruses or key loggers that can infect or reside in a computers BIOS and if so can it be removed by using a HDD erasing utility or by some other means followed by a complete reinstall of the O.S.

I know the BIOS chip is on the MOBO and I mentioned a HDD, two different things.

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PostPosted: Mon Jul 02, 2012 12:33 am 
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Mobo-fu Master
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There is a new one out there, 13 years after the last Win.CIH aka Tsjernobyl virus:
http://blog.webroot.com/2011/09/13/mebr ... -the-wild/

Flashing the bios with a known clean copy (maybe in recovery mode) will be needed. Only after that you can clean up your harddisk, otherwise the infection will reinstall after each reboot...

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PostPosted: Mon Jul 02, 2012 1:56 pm 
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evasive wrote:
There is a new one out there, 13 years after the last Win.CIH aka Tsjernobyl virus:
http://blog.webroot.com/2011/09/13/mebr ... -the-wild/

Flashing the bios with a known clean copy (maybe in recovery mode) will be needed. Only after that you can clean up your harddisk, otherwise the infection will reinstall after each reboot...


This PC is fine, no issues. Just wanted to know if the BIOS can get infected by a nasty?

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PostPosted: Mon Jul 02, 2012 11:22 pm 
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If you keep your OS, anti-virus, java, flash, silverlight, browsers, programs in general up to date and use your brain when surfing or opening email this is low-risk. No big gaping holes have been found that can silently infect your bios. This kind of attack is usually directed at a few specific high-profile machines/individuals because it takes a lot of effort for a small number of machines...

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PostPosted: Mon Jul 02, 2012 11:37 pm 
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evasive wrote:
If you keep your OS, anti-virus, java, flash, silverlight, browsers, programs in general up to date and use your brain when surfing or opening email this is low-risk. No big gaping holes have been found that can silently infect your bios. This kind of attack is usually directed at a few specific high-profile machines/individuals because it takes a lot of effort for a small number of machines...


OK, so it is possible even though it is not likly....Thanks

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PostPosted: Wed Jul 04, 2012 4:47 am 
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The BIOS should default to a 'lock-down' mode unless you are working its pages. Setting a simple password works wonders as to giving security, also.. and you will be warned if any attempt is made to access the BIOS when the OS is active. Almost all BIOS types today have an anti-virus feature that can be activated.

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