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Windows 7: About the binary value

10 May 2010   #1

Vista and Windows 7
About the binary value

In Windows 7 Registry, "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{F4E57C4B-2036-45F0-A9AB-443BCFE33D9F}\Count", there are 72 binary bytes value, but only there are 16 binary bytes value in XP, and i known the last 8 bytes mean the date that the shortcut clicked. I have researched the 72 bytes in Windows 7, seem 61 - 68 byte save the shortcut clicked date, but i can not convert the bytes to right date.

My System SpecsSystem Spec
10 May 2010   #2

Windows 7 x64 pro/ Windows 7 x86 Pro/ XP SP3 x86


Theres an analysis of win7 Userassist registry keys by Didier Stevens in his forensic magazine. Heres a link to that issue.

Stevens has also released a tool that can analyze the structure of these keys for you (its a beta. Google for the final version).
My System SpecsSystem Spec
10 May 2010   #3

Windows 7 Ultimate 64 bit

Hi yxq,

I was reading about user assist yesterday. There is a new key format for Vista, Server 2008, Win7 etc. The second article goes into this in detail.


@Bill2 - Thanks, I'll take a look at your articles too. :-)
My System SpecsSystem Spec

10 May 2010   #4

Vista and Windows 7

Thank you, i will research that.
My System SpecsSystem Spec

 About the binary value

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