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Windows 7: WinSXS folder full of compromised files

16 Nov 2013   #1

Win 7 Home Premium (OEM) - Install date: 02-2010
WinSXS folder full of compromised files

I've been fixing my friend's laptop (replacing the fan). The user experience is really slow so I've also been doing the kind of maintenance I'd do for my mum/grandmother. His AV and various other stuff has been out of date for a long time so I installed Avast! and it found a whole load of compromised .dll files in the C:/Windows/winsxs/ folder. I think it said they were rootkits or something. The default resolution is to delete. It doesn't say how many there are but it looks like hundreds. If I tell the Avast! to go ahead and delete, could this damage the system? You need to tread carefully in the Windows folder, right?

My System SpecsSystem Spec
16 Nov 2013   #2
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

My System SpecsSystem Spec

 WinSXS folder full of compromised files

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