Infected with Greystars Ransomware? Need to decrypt *.greystars@protonmail.com files?

What is Greystars Ransomware

Greystars Ransomware also known as Greystars@protonmail.com virus is a file encryptor, which locks a user’s files on their machines and demands a ransom in bitcoins for decryption tool(0,08 BTC). Every encrypted file gains *.greystars@protonmail.com suffix. For example, 123.doc becomes 123.doc.greystars@protonmail.com. The virus uses RSA an AES encryption methods and targets both English speaking and others countries, including China and Jordan. Some files usually not coded by the virus, for example, all apps with .exe or .msi extensions. Greystars Ransomware creates ransom notes HOW-TO-RECOVER-YOUR-FILES.HTML or How-To-Recover-Your-Files.html with following contains:

All your files have been encrypted !
How to recover your files?
All your files have been encrypted by RSA and AES due to a security problem on your PC.You have to pay for decryption in Bitcoins.
If you want to restore them.You must send 0.08 bitcoin to my bitcoins address 1JnRP8UsTDLRjzCTaJXYPr5oYkKc7bLY2Q .
After payment we will send you the decryption tool that will decrypt all your files.
Please write us to the email greystars@protonmail.com.
Your decrypt code is **************************************
Please write the decrypt code in the title of your email message .And don't forgot to write the transfer accounts info.
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.
The Web Site address is https://localbitcoins.com/,or other websites.
Attention!
1.Do not rename encrypted files.
2.Do not try to decrypt your data using third party software.It may cause permanent data loss.

We recommend refusing from any contacts with cybercriminals and of course not to pay them because real decryption is not warrantied and the payloads can increase the amount of similar ransomware threats in future. If you want to remove Greystars Ransomware and decrypt .greystars@protonmail.com files, please read our article below.

Update: Use following service to identify the version and type of ransomware you were attacked by: ID Ransomware. Also check following website for possible decryptor: Emsisoft Decryptors.

How Greystars Ransomware infected your PC

At this moment, we know that several e-mails are used to distribute files with malicious code or by trojan attacks through an unprotected network configuration. E-mails are distributed all over the world. You can also get this ransomware on file-sharing networks, including torrent files. Ransom is asked to be paid in BitCoins, that also makes the task difficult for the police, as the user in this network is often anonymous. Encryption starts in the background. Way to protect your computer from such threats is to use antiviruses with crypto-protection like HitmanPro.Alert with CryptoGuard.

First of all, don’t panic. Follow these easy steps below.

1. Start your computer in Safe Mode with networking. To do that, restart your computer before your system starts hit F8 several times. This will stop system from loading and will show Advanced boot options screen. Choose Safe mode with networking option from the options list using up and down arrows on your keyboard and hit Enter.
2. Log in to the system infected with the Greystars Ransomware virus. Launch your Internet browser and download a reliable anti-malware program and start a full system scan. Once the scan is complete, review scan results and remove all entries detected.

Recommended Solution:

Norton is a powerful removal tool. It can remove all instances of newest viruses, similar to Greystars Ransomware – files, folders, registry keys.

 

Download Norton*Trial version of Norton provides detection of computer viruses for FREE. To remove malware, you have to purchase the full version of Norton.

Step 2: Remove following files and folders of Greystars Ransomware:

Remove following registry entries:


HKEY_LOCAL_MACHINESOFTWAREClasses [greystars@protonmail.com Ransomware ]

Remove following files and folders:


% Temp % \greystars@protonmail.com Ransomware

% AppData %greystars@protonmail.com Ransomware

% LocalAppData % \greystars@protonmail.com Ransomware

% LocalAppData % \greystars@protonmail.com Ransomware.exe

% CommonAppData % \greystars@protonmail.com Ransomware

How to decrypt files infected by Greystars Ransomware (.hrm files)?

Use automated decryption tools

Decrypter from Michael Gillespie

kaspersky rakhni decryptor for Greystars Ransomware

There is ransomware decryptor, developed by security researcher Michael Gillespie with help of Fabian Wosar, that can decrypt .hrm files. It is free and may help you restore .hrm files encrypted by Greystars Ransomware virus. Download it here:

Download Greystars Decrypter

Decrypter from Kaspersky

kaspersky rakhni decryptor for Greystars Ransomware

There is ransomware decryptor from Kaspersky that can decrypt .hrm files. It is free and may help you restore .hrm files encrypted by Greystars Ransomware virus. Download it here:

Download Kaspersky RakhniDecryptor

You can also try to use manual methods to restore and decrypt .hrm files.

Decrypt .hrm files manually

Restore the system using System Restore

system restore

Although latest versions of Greystars Ransomware remove system restore files, this method may help you to partially restore your files. Give it a try and use standard System Restore to revive your data.

  1. Initiate the search for ‘system restore
  2. Click on the result
  3. Choose the date before the infection appearance
  4. Follow the on-screen instructions

Roll the files back to the previous version

Previous versions can be copies of files and folders created by Windows Backup (if it is active) or copies of files and folders created by System Restore. You can use this feature to restore files and folders that you accidentally modified or deleted, or that were damaged. This feature is available in Windows 7 and later versions.

windows previous versions

  1. Right-click the file and choose Properties
  2. Open the Previous Version tab
  3. Select the latest version and click Copy
  4. Click Restore

Restore .hrm files using shadow copies

shadow explorer gui

  1. Download and run Shadow Explorer.
  2. Select the drive and folder where your files are located and date that you want to restore them from.
  3. Right-click on folder you want to restore and select Export.
  4. Once the scanning process is done, click Recover to restore your files.

Protect your computer from ransomware

hitmanpro alert with cryptoguard

Most modern antiviruses can protect your PC from ransomware and crypto-trojans, but thousands of people still get infected. There are several programs that use different approach t protect from ransomware and lockers. One of the best is HitmanPro.Alert with CryptoGuard. You may already know HitmanPro as famous cloud-based anti-malware scanner. Check out ultimate active protection software from SurfRight.

Download HitmanPro.Alert with CryptoGuard

Information provided by Tim Kas

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