[Bug 987022] Re: Signature of Acer utility corrupting grub2

[Colin Watson]

2013-01-21  Colin Watson  <cjwatson at ubuntu.com>

	* grub-core/partmap/msdos.c (embed_signatures): Add the signature of
	an Acer registration utility with several sightings in the wild.
	Reported by: Rickard Westman.  Fixes Ubuntu bug #987022.

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Title:
  Signature of Acer utility corrupting grub2

Status in “grub2” package in Ubuntu:
  In Progress

Bug description:
  I don't know if you are still interested in signatures of Windows
  utilities corrupting grub2, but in case you are, I have attached two
  hexdumps I made last year when I had this problem with Ubuntu 10.10
  and an Acer registration utility.  Sorry they are not dd dumps, but
  it's the same information you requested and I think it is fairly clear
  what happened (an entire block was overwritten at sector 18 / offset
  0x2400).  Searching for the signature with Google, I also found these
  URLs, which report the exact same contents at the same offset:

    http://www.siteduzero.com/forum-83-584790-p1-acer-7741g.html
    
    http://forum.acronis.com/sites/default/files/forum/2010/04/9913/report.txt
    
    http://forum.ubuntu-fr.org/viewtopic.php?id=436731

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