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Renaming file extensions


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#1 luv2bike2nv

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Posted 07 May 2018 - 01:36 PM

A co-worker asked me the other day, if he was to rename  the extensions all of his MS Office files from docx, xlxs etc to something else would he be able to copy and open up his files on another computer IF he got hit with ransomware on his main computer.  he said that he would rename the file extensions and when he wants to open up one file he renames it back to the correct file extension work on the file, save it then rename the file extension.  I thought that is a good question however I don't know enough about ransomware to answer his question. Can anyone answer this question?  I am curious as well now.



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#2 Chris Cosgrove

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Posted 07 May 2018 - 03:43 PM

I have no idea if this would work or not, I imagine it would depend at least in part of the brand of ransomware you got hit with, but I do think it is an awful amount of work !

 

You use the expresion 'co-worker'. This suggests that you are operating in some sort of work environment in which case I think it would be up to your IT peope to set policies about this. I do know that the concensus is that the most effective defence against the risk of ransomware is a good back-up policy and this should definitely be set, if not operated by the IT staff. The other primary aspect of defence against malware is 'safe surfing' - developing good habits.

 

If you are operating in a situation where you do not have a central IT department and back-ups are down to you then you would be better looking for information in the forum section on 'Back-up, imaging and disc management' where you will find a wealth of advice.

 

Chris Cosgrove



#3 luv2bike2nv

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Posted 08 May 2018 - 10:09 AM

Thank you Chris for your response.  My co-worker was thinking about his home computer and files so he does not have that many files that he would rename the extensions.  He does have a backup procedure that he uses but he was just thinking in case he didn't back up his files for what ever reason he would be ok if he had changed the extensions. 

 

Thanks again Chris 



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