We been "hacked" with a ransomware.
The files extension has been added with following after the file: [email@example.com]cryptall
for example: IMG_5643.JPG is now named IMG_5643.JPG.[firstname.lastname@example.org]cryptall
There is also a file in every folder that have been encrypted called: how_to_back_files.html
In this file it says:
Your files are encrypted! Your personal ID *Removed by me* All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail: email@example.com You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the decryption tool that will decrypt all your files. If you can't contact us by mail:firstname.lastname@example.org You can write to us on this mail: email@example.com Free decryption as guarantee Before paying you can send to us up to 1 file for free decryption. Please note that files must NOT contain valuable information and their total size must be less than 10Mb. How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here:: http://www.coindesk.com/information/how-can-i-buy-bitcoins Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decoders of other users are incompatible with your data, as each user has a unique encryption key
I've mailed the guy to see what he wanted and his answer is this:
Hello. I will send the test file later. We can decrypt your data, here is price: - 2 Bitcoins in 72 hours without any stupid questions and test decryption. - 4 Bitcoins if you need more than 72 hours to pay us, but less than 100 hours. - 6 Bitcoins if you need more than 100 hours to pay us. Pay us and send payment's screenshot in attachment. In this way after you pay we will send you decryptor tool with instructions. TIME = MONEY. If you don't believe in our service and you want to see a proof, you can ask about test decryption. About test decryption:You have to send us 1 crypted file. Use dropfile . to and Win-Rar to send file for test decryptions. File have to be less than 10 MB. We will decrypt and send you your decrypted files back. Answer us with your decision. Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Time limit starts from this email. Here is our bitcoin wallet: 1EBZtXoDALx3pPHkC1ASwQ4zq4z3SHe6HJ Can recommend easy bitcoin exchange service localbitcoins.com (HOW TO BUY BITCOINS: https://localbitcoins.com/guides/how-to-buy-bitcoins) or https://www.coinbase.com/buy-bitcoin or https://paxful.com/buy-bitcoin or https://blockchain.info/ or you can google any service you want. Sent with ProtonMail Secure Email.
I've googled everything that is relevant with this, cant find any results.
Do you have any tips or any tool that might do the job?
Thank you very much!