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Ransomware Decryption - Xorist

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1 reply to this topic

#1 salemtech


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Posted 02 April 2017 - 05:23 PM

Hi all,


I could really use some help in this process, I was able to fix ransomeware infection in the past but this time I'm having difficulties (I never had to decrypt files). Here what the website

id-ransomware.malwarehunterteam.com identified:


 This ransomware is decryptable!

Identified by

  • ransomnote_filename: HOW TO DECRYPT FILES.txt
  • ransomnote_email: decryptoffice@tutanota.com
  • ransomnote_bitcoin: 17k7zLDwktZ7KATq4cQDhYJv15HJV7NbJ9
  • sample_extension: .DECRYPT-ID-<id>



I was able to decrypt a file by inputting two identical ones (encrypted and non-encrypted) to Trend Micro Decrypter and that worked. I just need to decrypt files that I dont have a backup to, without having to input the fixed file. Kaspersky Decrypter wasn't able to do it. Please Help. 


I uploaded an encrypted file here: https://drive.google.com/file/d/0B-ELa3t9bOctUlVtTnJOLTNtbnc/view?usp=sharing


Here the note:

All your important files were encrypted on this computer.
You can verify this by click on see files an try open them. 

Encrtyption was produced using unique key generated for this computer. 

To decrypted files, you need to otbtain private key. 
The single copy of the private key, with will allow you to decrypt the files, is locate on a secret server on the internet;
The server will destroy the key within 24 hours after encryption completed.

To retrieve the private key, you need to pay 6 bitcoins

Bitcoins have to be sent to this address: 17k7zLDwktZ7KATq4cQDhYJv15HJV7NbJ9

After you've sent the payment send us an email to : decryptoffice@tutanota.com  with subject : DECRYPT-ID-63101089
If you are  not familiar with bitcoin you can buy it from here :
SITE 1 : www.localbitcoin.com
SITE 2 : www.bitstamp.net

After we confirm the payment , we send the private key so you can decrypt your system.

Thanks a lot for all your assistance!

Let me know what if you need anything from me.


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#2 quietman7


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Posted 02 April 2017 - 05:26 PM

Fabian Wosar released a decrypter tool for victims of this type of infection.
  • Emsisoft Decrypter for Xorist

    To use the decrypter you will require an encrypted file of at least 144 bytes in size as well as its unencrypted version. To start the decrypter select both the encrypted and unencrypted file and drag and drop them onto the decrypter executable.


There is an ongoing discussion in this topic where victims can post comments, ask questions and seek further assistance. Other victims have been directed there to share information, experiences and suggestions.Rather than have everyone with individual topics, it would be best (and more manageable for staff) if you posted any more questions, comments or requests for assistance in the above support topic discussion...it includes experiences by experts, a variety of IT consultants, end users and company reps who have been affected by ransomware infections. To avoid unnecessary confusion, this topic is closed.

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