What type of malware can reside in windows restore?

Posted by qwertymk on Super User See other posts from Super User or by qwertymk
Published on 2011-01-02T08:09:01Z Indexed on 2011/01/02 8:55 UTC
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restore

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malware

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system-restore

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checksum

I was reading aking1012's comment on How to create Windows Vista/Windows 7 Startup disk or Rescue disk or system restore points on a CD? .

He says that:

The first thing I usually do is disable system restore. Some REALLY nasty malware hides in there and is very difficult to delete. As far as rescue media, I make a full backup image. It doesn't directly address the question so it's a comment not an answer, but I thought it was worth noting

What type of malware can hide there, and how is that possible as the restore info must be stored with a checksome to make sure it's not modified, right?

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