TestCrypt and Restoring a Deleted TruCrypt Volume

Globe

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Registriert
Nov. 2012
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Hi!
A few days ago I (foolishly) used Disk Management in Win7 to delete a volume which was encrypted with TrueCrypt whilst attempting to only 'remove' the drive letter designation. A few hours of anxious internet searching finally pointed me in the direction of the brilliant TestCrypt which allowed me to recover all my encrypted data without loss- Simpson474 is clearly a genius- thankyou!

My next step is to see whether I can repair the original volume back to how it was before- this is not really necessary since I do have all the data, but I'm keen to learn from my mistake. The volume in question is a 1TB external HDD attached via USB and it orignally had a single partition. A number of posts I have read seem to suggest that it may be possible to simply use Windows Disk management to create a new simple volume (without formatting etc) and hope/assume it creates the partition exactly where the old one used to be. A safer option would be to use a hex editor and try to identify where the old partition started and then manually create a new one in the same place.

Before I attempt either I am currently using TestCrypt to try to identify where the backup TrueCrypt header may be: TestCrypt found the original header fine, but so far has not been able to identify the backup so I am working my way backwards from the end of the disk to search for it. I would prefer to confirm it is there before I start playing with re-creating the partition since I gather that doing so may change the front of the file.

My questions:

- Is there a way in Testcrypt to take a backup of the TrueCrypt headers that it has found?

- Am I wasting my time and should I just try to re-create the volume using Windows Disk Management?

- If it is indeed a bit more complicated than that, could anyone post or link to a brief guide on what needs to be done?

Many thanks in advance, and thanks again to Simpson474 for TestCrypt- it is an excellent program which has turned my foolish mistake from a disaster to a valuable learning excercise!
 
Globe schrieb:
Am I wasting my time and should I just try to re-create the volume using Windows Disk Management?
As you have already restored your files you cannot loose anything - it will work if the partition is created with the same operating system (the partition style has been changed with Windows Vista) and the same tool to create the partition. Be aware that the Windows Disk Management tool will erase data from the partition on deleting a partition - this might damage the normal header of the volume.

Globe schrieb:
If it is indeed a bit more complicated than that, could anyone post or link to a brief guide on what needs to be done?
There are already some posts in this forum with the description, but they are all in German:

Start testdisk and select [Create], select the disk and press return. Select [Intel], [Analyse], [Quick Search] (cancel the quick search if it takes longer than a few seconds) and press the "A"-key. The next screen requires to enter [Cylinder][Head][Sector] two times and [Type]: here you have to insert the beginning and the end of the volume found by TestCrypt, choose type "07 NTFS" and confirm with [Done]. Then you have to change the type of the partition to primary (can be done with left/right arrow keys) and it would be best to post a screenshot here for confirmation before you continue to write the partition table.
 
Hi Simpson474- Thankyou so much for your help with this, and for creating TestCrypt- you really helped me fix a big problem I had created. I followed your TestDisk instructions above and the original disk now works perfectly again which is a massive relief- thankyou again - and a particular thanks for your patience with my lack of German- keep up the excellent work!

Globe
 
I just created a similar thread on this same topic. Should I keep to that thread or simply post my questions here? I have almost the exact same issue that Globe described.
 
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