How To Remove Rastar Ransomware (Decrypt Encrypted files)

Effective Guide To Recover Files from Rastar Ransomware

Rastar Ransomware is a file encrypting virus that makes the files completely inaccessible by appended the “.rastar” extension to their filenames. It was discovered and distributed by the Xiaopao. The main intention its discovered is to makes illegal money through scam innocent users. It gets installed into- the targeted System without any users knowledge. Once gets installed, it starts to deeply scan entire hard disk to encrypt all stored files. It uses the powerful encryption algorithm AES and RSA to encrypt all stored files. It creates a ransom note (the “HOW_TO_DECYPHER_FILES.txt” file) and drops that note in all folders that contain encrypted files.

The ransom note (the “HOW_TO_DECYPHER_FILES.txt” file) informs victim that their all data and files such as documents, photos, images, database and other kind of files are encrypted by the powerful encryption algorithm therefore accessing even single file is completely inaccessible for the users. Unique decryptor tool is only an option to restore or decrypt all encrypted files which can be purchased from cyber-criminal behind this infection. To receive instructions on how to pay for a decryption key victims are instructed to write an email to [email protected]. The price of the decryption key is not specified, it is only depends on how fast  victim will contacted to the developer. Price of the decryption key should be pay in the form of bitcoin within 12 hour. If victim will not to pay a ransom within 12 hours then the price of a decryption key will be double and after 24 hours their files will be deleted.

Text presented in the “HOW_TO_DECYPHER_FILES.txt” text file:

What Happen to my computer?

Your important files are encrypted. Many of your documents, photos, passwords, databases and other files are no longer accessible because they have been encrypted. Maybe you are busy looking for way to recover your files , but do not waste your time. Nobody can recover your files without our decryption KEY (if somebody will tell that they can do it, they will also contact me and I will make the price so much expensive than if you contact directly)

– Can i Recover My Files?

Sure. We guarantee that you can recover all your files safely and easily But You have not so enough time . So If you want to decrypt all your files, you need to pay . You only have 12H to submit the payment. After that price will be higher also, If the transaction is not completed within 24 hours your files will be permanently deleted.

Send e-mail to this address: [email protected]

You have to pay for decryption in Bitcoins.

How to obtain Bitcoins

How To buy bitcoins https://buy.bitcoin.com/

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.

Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Key Identifier:

How did Rastar Ransomware infect your System?

Rastar Ransomware mostly infect your system via mal-spam email which cyber-criminal send. The spam email contains malicious attachments or downloads links. Malicious attachments can be into various formats like as MS Word, PDF documents, zip, rar, exe, java scripts and so on. When recipients open those files then the malicious infection gets installed into the System.

It can also spread while users download or install program especially freeware from third party downloader site with carelessness. They often skip custom or advance options as well as other important settings. Fake Software updating tools such as host files, freeware,com, downloader.com, peer to peer sharing files through bit torrent, eMule, Gnutella etc could also bring such type of threats.

 How To protect your System from Rastar Ransomware?

It is highly recommended, do not receive irrelevant email from unknown sender, suspicious addresses and contain attachments or website link. Files and links in such email should not be opened. It is important to check email body content including grammatical error and spelling mistakes. Software and application should be downloaded through official and trustworthy download channels. Installed program have to be updated with official developer tool. System should be scanned for viruses and other threats regularly. If you System is already infected with this Ransomware then we a highly recommended to remove Rastar Ransomware  by using automatic removal tool.

Should Victim pay ransom?

Victims are highly recommended, do not pay ransom money to the hacker because paying a ransom does not guaranteed that ransomware developer will send a decryption tool. In most of the cases, victim who pay ransom money they got scammed. It is only a trick to phishing innocent users and extorts huge ransom money for decryption. Cyber-criminal never wants to decrypt encrypted files. They close all the way of communication just after received ransom money. There are highly probability that victim can lose their files and money both.

How To Recover files from Rastar Ransomware?

Paying money to the hacker is too risky and wastage time and money as well. If you’re System files are already encrypted by this Ransomware and its demands ransom for the decryption. Please do not to do so.  If you really want to restore data without paying ransom then we are highly advice remove Rastar Ransomware completely from System by using automatic removal tool. After that you can restore data or recover files by using backup if you have otherwise you can use third party recovery Software.

Threat Summary:

Name: Rastar Ransomware

Type: Ransomware, File Virus

File Extension: .Rastar

Ransom Message:  HOW_TO_DECYPHER_FILES.txt

Cyber criminal contact: [email protected]

Symptoms: Can not open files stored on your system, A ransom demand message is displayed on your system. Cyber criminal demand payment of a ransom.

Distribution: spam email attachments, freeware program, updating System tools

Removal: In order to eliminate this infection we are highly advice use automatic removal tool.

Recovery: In order to recover files we are highly recommended use backup or third party recovery software.

Antimalware Details And User Guide

Click Here For Windows

Click Here For Mac

Step 1: Remove Rastar Ransomware through “Safe Mode with Networking”

Step 2: Delete Rastar Ransomware using “System Restore”

Step 1: Remove Rastar Ransomware through “Safe Mode with Networking”

For Windows XP and Windows 7 users: Boot the PC in “Safe Mode”. Click on “Start” option and continuously press on F8 during the start process until the “Windows Advanced Option” menu appears on the screen. Choose “Safe Mode with Networking” from the list.

Now, a windows homescreen appears on the desktop and work-station is now working on “Safe mode with networking”.

For Windows 8 Users: Go to the “Start Screen”. In the search results select settings, type “Advanced”. In the “General PC Settings” option, choose “Advanced startup” option. Again, click on the “Restart Now” option. The work-station boots to “Advanced Startup Option Menu”. Press on “Troubleshoot” and then “Advanced options” button.  In the “Advanced Option Screen”, press on “Startup Settings”. Again, click on “Restart” button. The work-station will now restart in to the “Startup Setting” screen. Next is to press F5 to boot in Safe Mode in Networking.

For Windows 10 Users: Press on Windows logo and on the “Power” icon. In the newly opened menu, choose “Restart” while continuously holding “Shift” button on the keyboard. In the new open “Choose an option” window, click on “Troubleshoot” and then on the “Advanced Options”. Select “Startup Settings” and press on “Restart”. In the next window, click on “F5” button on the key-board.

Step 2: Delete Rastar Ransomware using “System Restore”

Log-in to the account infected with Rastar Ransomware. Open the browser and download a legitimate anti-malware tool. Do a full System scanning. Remove all the malicious detected entries.

In case if you cannot start the PC in “Safe Mode with Networking”, Try using “System Restore”

• During the “Startup”, continuously press on F8 key until the “Advanced Option” menu appears. From the list, choose “Safe Mode with Command Prompt” and then press “Enter”

• In the new opened command prompt, enter “cd restore” and then press “Enter”.

• Type: rstrui.exe and Press “ENTER”

• Click “Next” on the new windows

• Choose any of the “Restore Points” and click on “Next”. (This step will restore the work-station to its earlier time and date prior to Rastar Ransomware infiltration in the PC.

• In the newly opened windows, press on “Yes”.

Once your PC gets restored to its previous date and time, download the recommended anti-malware tool and perform a deep scanning in order to remove Rastar Ransomware files if they left in the work-station.

In order to restore the each (separate) file by this ransomware, use “Windows Previous Version” feature. This method is effective when “System Restore Function” is enabled in the work-station.

Important Note: Some variants of Rastar Ransomware delete the “Shadow Volume Copies” as well hence this feature may not work all the time and is applicable for selective computers only.

How to Restore Individual Encrypted File:

In order to restore a single file, right click on it and go to “Properties”. Select “Previous Version” tab. Select a “Restore Point” and click on “Restore” option.

In order to access the files encrypted by Rastar Ransomware, you can also try using “Shadow Explorer”. In order to get more information on this application, press here.

Important: Data Encryption Ransomware are highly dangerous and it is always better that you take precautions to avoid its attack on your work-station. It is advised to use a powerful anti-malware tool in order to get protection in real-time. With this help of “SpyHunter”, “group policy objects” are implanted in the registries in order to block harmful infections like Rastar Ransomware.

Also, In Windows 10, you get a very unique feature called “Fall Creators Update” that offer “Controlled Folder Access” feature in order to block any kind of encryption to the files. With the help of this feature, any files stored in the locations such as “Documents”, “Pictures”, “Music”, “Videos”, “Favorites” and “Desktop” folders are safe by default.

It is very important that you install this “Windows 10 Fall Creators Update” in your PC to protect your important files and data from ransomware encryption. The more information on how to get this update and add an additional protection form rnasomware attack has been discussed here.

How to Recover the Files Encrypted by Rastar Ransomware?

Till now, you would have understood that what had happed to your personal files that got encrypted and how you can remove the scripts and payloads associated with Rastar Ransomware in order to protect your personal files that has not been damaged or encrypted until now. In order to retrieve the locked files, the depth information related to “System Restore” and “Shadow Volume Copies” has already been discussed earlier. However, in case if you are still unable to access the encrypted files then you can try using a data recovery tool.

Use of Data Recovery Tool

This step is for all those victims who have already tries all the above mentioned process but didn’t find any solution. Also it is important that you are able to access the PC and can install any software. The data recovery tool works on the basis of System scanning and recovery algorithm. It searches the System partitions in order to locate the original files which were deleted, corrupted or damaged by the malware. Remember that you must not re-install the Windows OS otherwise the “previous” copies will get deleted permanently. You have to clean the work-station at first and remove Rastar Ransomware infection. Leave the locked files as it is and follow the steps mentioned below.

Step1: Download the software in the work-station by clicking on the “Download” button below.

Step2: Execute the installer by clicking on downloaded files.

Step3: A license agreement page appears on the screen. Click on “Accept” to agree with its terms and use. Follow the on-screen instruction as mentioned and click on “Finish” button.

Step4: Once the installation gets completed, the program gets executed automatically. In the newly opened interface, select the file types that you want to recover and click on “Next”.

Step5: You can select the “Drives” on which you want the software to run and execute the recovery process. Next is to click on the “Scan” button.

Step6: Based on drive you select for scanning, the restore process begins. The whole process may take time depending on the volume of the selected drive and number of files. Once the process gets completed, a data explorer appears on the screen with preview of that data that is to be recovered. Select the files that you want to restore.

Step7. Next is to locate the location where you want to saver the recovered files.