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Major shift in strategy for ZeroAccess rootkit malware, as it shifts to user-mode


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#1 boopme

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Posted 06 June 2012 - 08:45 PM

SophosLabs has been monitoring a new strain of the infamous ZeroAccess rootkit that has been hitting the internet over the last few weeks.

ZeroAccess is a sophisticated kernel-mode rootkit that enslaves victim PCs, adding them to a peer-to-peer botnet from which they receive commands to download other malware. The rootkit has undergone several revisions since its inception but this new version represents a major shift in strategy.

All previous versions have employed a kernel-mode component on 32-bit Windows. However, under 64-bit Windows there was no kernel-mode component - ZeroAccess operated entirely in user-mode memory.

And operating entirely in user-mode is exactly the shift in strategy that this new version employs.


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#2 Union_Thug

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Posted 09 June 2012 - 10:03 AM

Thanks, Lt!




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