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 Post subject: File carver for RAW photos?
PostPosted: September 20th, 2017, 7:47 
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Joined: October 20th, 2014, 5:25
Posts: 77
Location: Sweden
We had a customer with a severly damaged 3TB WD-drive (WD30EZRX) where 40GB of the data is unrecoverable. The damaged data is scattered all over the drive, and are not in one continuous piece.

Using photorec we manage to salvage about 15000 of the customer's JPEG-files, but _zero_ RAW-files. The customer used primarily Canon's RAW (.cr2) and Olympus (.orf), and photorec claims to be able to identify both these formats.

The customer claims she has thousands, even tens of thousands, RAW-files, so I find it really confusing that none of these were able to be carved out. The customer does photography for a living, and while all her photos are available in JPEG, she really wants the RAW-files.

Can anyone recommend another carver that we can try?


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 Post subject: Re: File carver for RAW photos?
PostPosted: September 20th, 2017, 18:09 
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Joined: October 16th, 2013, 13:21
Posts: 209
Location: Brazil
Could you recover the MFTs ? Does the files show up in the list ?


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 Post subject: Re: File carver for RAW photos?
PostPosted: September 21st, 2017, 7:45 
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Joined: August 18th, 2010, 17:35
Posts: 3068
Location: Massachusetts, USA
If the drive is severely damaged as in with bad sectors or other mechanical problems, then it is best recommended to create a clone first, ideally with an advanced hardware imager, and then scan or carve for files.

May try R-Studio, UFS Explorer as well.

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Hard Drive and RAID Data Recovery Specialist in Massachusetts


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 Post subject: Re: File carver for RAW photos?
PostPosted: September 21st, 2017, 18:39 
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Joined: September 8th, 2009, 18:21
Posts: 9688
Location: Australia
File Formats Recovered By PhotoRec:
http://www.cgsecurity.org/wiki/File_Formats_Recovered_By_PhotoRec

The following URLs have detailed header information.

.cr2 Canon Raw 2 picture (TIFF image):
https://git.cgsecurity.org/cgit/testdisk/tree/src/file_tiff.c

.orf Olympus Raw Format picture:
https://git.cgsecurity.org/cgit/testdisk/tree/src/file_orf.c

You could use DMDE to scan for raw files by signature. CR2 file types are supported natively, but you could add your own file types and signatures.

https://dmde.com/

    Tools -> Full Scan
    - Raw -> Raw: File Signatures -> Add

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A backup a day keeps DR away.


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 Post subject: Re: File carver for RAW photos?
PostPosted: September 25th, 2017, 8:36 
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Joined: October 20th, 2014, 5:25
Posts: 77
Location: Sweden
labtech wrote:
If the drive is severely damaged as in with bad sectors or other mechanical problems, then it is best recommended to create a clone first, ideally with an advanced hardware imager, and then scan or carve for files.


Already done, we have a (3TB-40GB) large file containing the cloned drive and that's what we're working against.

Quote:
May try R-Studio, UFS Explorer as well.


Thanks. I will give these a shot.


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