I have a Samsung A3 (2017), there were VERY important files on it, and when I returned the phone to factory settings, I either did not see it, or there was nothing, but it turns out that my files on the memory card were encrypted. (I honestly don't remember that I encrypted them at all) And after resetting the settings, I can no longer just decrypt them like that. Now they are on a laptop, and the old memory card that was in the phone at the time of encryption has been lost.
I tried to restore them through another memory card, but to no avail. I found a list of programs for decrypting files encrypted by ransomware on the website. Can any of these programs help? I downloaded the first one, and there it asks for extension files that I don't know. My encrypted video has the mp4 extension.
And here's the question: is it possible to decrypt these files somehow? I mean, maybe you can find out for a start what algorithm Samsung encrypts files, and then I don't even know how to decrypt them with brute force. These files are VERY important to me.
P.S. Sorry my english is bad and I used google translate.
Banifucy_3 said:
I have a Samsung A3 (2017), there were VERY important files on it, and when I returned the phone to factory settings, I either did not see it, or there was nothing, but it turns out that my files on the memory card were encrypted. (I honestly don't remember that I encrypted them at all) And after resetting the settings, I can no longer just decrypt them like that. Now they are on a laptop, and the old memory card that was in the phone at the time of encryption has been lost.
I tried to restore them through another memory card, but to no avail. I found a list of programs for decrypting files encrypted by ransomware on the website. Can any of these programs help? I downloaded the first one, and there it asks for extension files that I don't know. My encrypted video has the mp4 extension.
And here's the question: is it possible to decrypt these files somehow? I mean, maybe you can find out for a start what algorithm Samsung encrypts files, and then I don't even know how to decrypt them with brute force. These files are VERY important to me.
P.S. Sorry my english is bad and I used google translate.
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Hi,
I had same issue...did you find a way to solve your problem?
Related
I am running into a very strange situation and I am wondering if anyone has an answer to this:
After I had to hard reset my s200: I am restoring my backed up files using SpriteBackup. I have done this many, many times before with the s200 as well as my x51v and I have never had a problem at all.
Now all over sudden after I am done restoring my files (I have tried 10 different files, since I am backing up every night) I am getting this error message:
"The file "application" can not be opened. Either it is not signed with a trusted certificate or one of its components cannot be found. You might need to re-installl or restore this file."
So, essentially I am not able to open any of my applications (all are stored on my SD card). Is there anything I can do in order to avoid having to re-install these? Furthermore, I have a lot of settings, which I can not simply duplicate anymore (like MMS, GPRS (internet via Tzones), etc. etc.) and I really would like to avoid having to do so.
If anyone has a remedy to this problem, I would very much appreciate any help!
Sorry about the long text and tehanks in advance
Hi,It does the same things on my spv m600:copy all the files from your sd card to your computer.Format sd card an put the same name before hard reset ( my sd card : sorry in french :carte de stockage,and after reset name was changed : storage card ).If you've not the same name softs don't work.Maybe you must change the name directly after format in the phone registry.
Marc from France.
Thank you Marcdu81! I have tried this already but without any luck.
Thanks for your advise!
Have you format your sd card with you pda or your computer ? You must format with your pda.I try to find a solution for you.
Marcdu81 said:
Have you format your sd card with you pda or your computer ? You must format with your pda.I try to find a solution for you.
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I formatted the the SD card with my PC. Let me try to format it using the PPC directly.
Another very strange thing is that I tried to re-install some applications but I am not able to even do that anymore. I am doing another hard reset and try to re-install some applications... let see.
OK.I use spb backup and i never have problem to use my softs.
on on htc touch hd go to start >setting>system
you then have the encryption tool that says when you activate it
"encrypted files can only be read on this device "
so may be a daft question but when i have this activated can i connect my phone via active sync or as disk drive and still see the files and open them and my memory card ?
what im trying to get at is if anyone found my phone they can read the files as they have the phone. what has been encrypted ?
thanks
I'd say no
I'd also say reflash with another rom and you can't read it ever again
even hardreset the phone and you can never read it again
it's made to make sure you're most secret stuff never gets out if you're phone
is stolen not to make sure your stuff will ever be something you can retrieve if something goes wrong
are you saying that you think the encryption is not working ?
No. That's not what he's saying. He's just advising that you not use it. The encryption key is stored on your phone's memory, so that if you ever hard-reset or flash another ROM, the encryption key will be lost and you won't be able to access the data on your memory card, ever again. You would have to do a full format of the card to even be able to use it again.
thanks for clearing that up .
could you recommend any software that i can install on the phone that requires
password to access the memory card while still in the phone and require password if memory card was taken out of phone and put into a pc memory card reader
thanks
I don't really know of anything that would be compatible across multiple systems/platforms like that
I just googled this and found the following software:
http://www.aikosolutions.com/encryption/secubox-encryption-vs-windows-mobile-encryption/
Just some thoguhts for using the native encryption...
I wonder if the encrytion key can be extracted from the phone...?
That way it could be added again on another ROM. Also, the key could then be used in a desktop application that implements the same algorithm (AES, I think). This would allow the card's contents to be accessed outside of the phone.
Hi All,
Can anyone recommend a good encryption program for me? I'd just like to be able to take a single folder on my SD card and encrypt it.
TIA
I like TrueCrypt. It is open source and user friendly.
I love it too and use it on my PC but I do not think it is available for WM is it?
I don't think it is available for WM either, but you could probably encrypt a folder on your sdcard from your desktop (with your phone set to mass storage mode). I don't know if it would work, I've never tried.
I dont want to encrypt the entire thing. AFAIK, if you do and you reflash your phone, your whole sd card is toast.
IIRC you can encrypt a single folder on a flash drive using TrueCrypt, so I would think you could encrypt a single folder on your sdcard. Perhaps you could create and encrypt a folder on your desktop and move it to your sdcard.
As far as flashing a ROM wiping out your sdcard, I hope that isn't the case.
Thanks for that but it wont help when I'm traveling and need access to the info.
No problem. I hope you find a solution for your needs.
I have been searching high and low for hours and cannot find anything related to my situation.
I am replacing my V20. The SD card is encrypted. I attempted to decrypt it on the V20 but it would hang at 1%. Sat there for several hours. I read one post that said I needed to disable screen lock and reboot the phone. I disabled screen lock, did NOT reboot, tried to decrypt gain, sat over night, didn't go past 1%. Rebooted phone, now I no longer have the option to decrypt the SD Card. I reenabled lock screen with same password and still no option to decrypt. I tried using Cryptonite to decrypt it, I get to a point it asks for a password, but then gives me an error stating there was a problem with file permissions or the password. The V20 is not rooted. Hesitant to root it and risk losing all of the encryption keys. Closest thing to a solution I have been able to find is to copy the files to a PC, format the sd card, encrypt it, copy the files back, then decrypt. This seems quite hoakie to me.
PLEASE HELP!!!!
The long way of transferring data to and from computer seems to be the only option
Still_living714 said:
The long way of transferring data to and from computer seems to be the only option
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The problem is, the data is still encrypted and unreadable to the phone or computer. If I copy the encrypted files to the PC, format the SD card, encrypt it, then copy the files back, won't the phone double encrypt the files? Or will the phone recognize they are already encrypted and "unlock" them?
If I go this route as a test, will DD in Linux make a sufficient enough bit for bit copy of the SD card to restore it as if nothing happened? Is there a Windows alternative that would work just as well?
kb0olf said:
The problem is, the data is still encrypted and unreadable to the phone or computer. If I copy the encrypted files to the PC, format the SD card, encrypt it, then copy the files back, won't the phone double encrypt the files? Or will the phone recognize they are already encrypted and "unlock" them?
If I go this route as a test, will DD in Linux make a sufficient enough bit for bit copy of the SD card to restore it as if nothing happened? Is there a Windows alternative that would work just as well?
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I think what Still_living714 meant was that you have to use the V20 to access the SD card and copy the data to a computer using USB or a network connection through it.
bbf said:
I think what Still_living714 meant was that you have to use the V20 to access the SD card and copy the data to a computer using USB or a network connection through it.
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I understand that. But the V20 isn't even able to read the files even though they were encrypted on that device. Most of the files are not readable. So copying an unreadable, encrypted file, from the device via USB, to a PC, will still result in an unreadable encrypted file on the PC. I then format the SD Card on the V20 and reencrypt it. I then copy the still unreadable and encrypted file back to the SD Card which is in the same V20. Now the V20 is going to encrypt that file again making it double encrypted, correct? Or will the V20 recognize that it is already encrypted and give me access to the file since the lock screen password was reset back to what it was before this fiasco started?
Maybe I'm just not explaining the situation correctly.
kb0olf said:
I understand that. But the V20 isn't even able to read the files even though they were encrypted on that device. Most of the files are not readable. So copying an unreadable, encrypted file, from the device via USB, to a PC, will still result in an unreadable encrypted file on the PC. I then format the SD Card on the V20 and reencrypt it. I then copy the still unreadable and encrypted file back to the SD Card which is in the same V20. Now the V20 is going to encrypt that file again making it double encrypted, correct? Or will the V20 recognize that it is already encrypted and give me access to the file since the lock screen password was reset back to what it was before this fiasco started?
Maybe I'm just not explaining the situation correctly.
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Umm, that's not how the encryption on an external SD card works on android.
If the OS fails to decrypt the card, the whole thing is inaccessible. Android encryption is not a "per file" encryption.
Forget all of the double encryption nonsense. No file is ever double encrypted you simply copied encrypted files from the SD Card to new device/pc, and copied them back to a formatted and re-encrypted SD Card in hopes you can decrypt them. Thus, is there a way to decrypt it (period)? That's the real question!!!!
So, can someone answer the real question. Especially, I'm having the same problem after upgrading to a S10+ from a S8+ that I traded in. So, now I can't read nor access 14.3 GBs out of 16 GB SD Card; which is unacceptable.
My son messed with my password entry, and the phone defaulted after too many "failed attempts".
I had about 2 weeks of pictures and videos on the phone that I would like to attempt to recover. They were stored on internal storage, not an SD card. The last time I attempted recovering anything was on a previous phone. Just mounted it, ran Recuva, and grabbed the available files.
With this G930V on Oreo, I can't mount it as a drive any longer, I can't seem to scan for files meaningfully from any app or from a computer without root access, and I can't find a meaningful way to get root access (I've rooted a few phones before, but I can't find a working way to do this one).
Is there any meaningful way to recover files after such a factory default, or should I just accept the loss at this point?
Thank you.