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Windows 7: USB-Bootable, free, updateable antivirus scanner?

27 Jan 2012   #1

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1
USB-Bootable, free, updateable antivirus scanner?

Is there some antivirus that is
1. Bootable from USB (I know there are CD images, which are not preferable at least because they can't save updated signatures even if I install them to USB - which I'm usually too lazy to do anyway)
2. Is free (in my personal case benefit from it is hardly worth the trouble of running, let alone of paying for it).
3. Can update its signatures (and, much preferably, save them so the next update takes less time).

The closest way I can see is installing ClamAV on my bootable linux flash.

But, there are numerous reasons to prefer it exactly that way (rootkit scanning, for example), so I'd be surprised if it wasn't done in easy-to-use way yet.

My System SpecsSystem Spec
27 Jan 2012   #2

Windows 10 Build 9926

Norton 360 can, but it's paid !
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27 Jan 2012   #3

Microsoft Community Contributor Award Recipient


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27 Jan 2012   #4

Microsoft Windows 7 Ultimate 64-bit 7601 Multiprocessor Free Service Pack 1

Quote   Quote: Originally Posted by theog View Post
Oh, thanks, that looks promising.
Additionally, what is its expected detection rate (i.e. chance that it will miss some viruses because of lacking signatures or something)? Esp. compared to other antiviruses.
(quick googling reveals widely varying information...)
My System SpecsSystem Spec
27 Jan 2012   #5
Microsoft MVP

Windows 7 Ult. x64


I played with several of these, and so far the one that seems to do the best trick is the BitDefender Rescue Disk.

The simplest way to get this is to create a multi-boot USB using YUMI - in the anti-virus category there is an option to download Bitdefender.

YUMI - Multiboot USB Creator (Windows) | USB Pen Drive Linux

My System SpecsSystem Spec
29 Jan 2012   #6
A Guy

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium x64 SP1

This site will tell you how to install Norton Bootable Recovery Tool which also has the feature to update definitions. A Guy
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 USB-Bootable, free, updateable antivirus scanner?

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