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Windows 7: rootkit

15 Aug 2010   #1

MS Windows 7 Home Premium 64-bit

i heard rootkits cant install themselves on 64 bit OS'S, is this true?

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15 Aug 2010   #2

Microsoft Community Contributor Award Recipient

Windows 7 Home Premium SP1, clean install, upgrade disc

Rootkit Finder - Find Rootkit in your computer!

Here is some informtion. Rootkits can enter any system.
64 and 32 should be equally vulnerable.

How they enter
and this
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15 Aug 2010   #3

MS Windows 7 Home Premium 64-bit

i dont have a rootkit, since i rarely dwnload anything, i was just wondering if it was true
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15 Aug 2010   #4

Windows 7 Professional SP1 64-bit

Rootkits can install themselves anywhere, including firmware and the system BIOS. 64-bit systems are definitely vulnerable.
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15 Aug 2010   #5

Windows 7 x64

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16 Aug 2010   #6

windows 7 ultimate 32 bit

Hi everyone, while googling the topic i found this " the current rootkits that have been written for 32 bit systems, including the infamous Sony music CD rootkit, don’t work in the 64 bit OS. That’s because when updating the kernel code for the 64 bit version, Microsoft programmers took the opportunity to include a “patch guard” – code that is part of the kernel makes it impossible to install a patch in a running kernel (which kernel mode rootkits do on 32 bit systems). Likewise, processor vendors had an opportunity, in making the new 64 bit processors, to include security mechanisms. Both AMD and Intel include code in their 64 bit products to prevent the exploitation of buffer overflow and buffer underrun conditions. " The full article is here Will upgrading to 64 Bit Windows make you More Secure? But i also think digitaly signed driver are not that hard to make for some " proffesional " malware author. malware writers currently tend to write their code for systems which enjoy widespread usage (such as 32bit Windows versions). More potential victims that way but its only a matter of time i guess.
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