Danger level:  
  (99/100)

Bad Rabbit ransomware. How to delete? (Removal tutorial)

removal by Julie Splinters - - | Type: Ransomware
12

Bad Rabbit ransomware assaults Eastern Europe

The image revealing BadRabbit payment site

Bad Rabbit virus (also known as Win32/Diskcoder.D) is the name of a complex file-encrypting threat which ceased multiple Russian media, financial institution servers and Ukraine international airport systems on October 24th.

The malware took some ideas from Petya.A/ExPetr virus; it displays the ransom message of the latter virus instead of its own. On the other hand, it has its exceptional .onion payment site, which urges victims to pay 0.05 bitcoins within 42-hour span period.

This peculiarity and the same distribution source led IT experts think the virus might be the latest version of Petya. While some speculate that the author might be the same, the differences in the source code imply the opposite. BadRabbit also refers to WannaCry as it is likely to exploit SMB vulnerabilities.

More information about the flaws would help cybersecurity sources create counter-attack plans. If you have been struck with this cyber misfortune, remove Bad Rabbit. Reimage or Malwarebytes Anti Malware will assist you in this process. 

Fake Flash player update is the main culprit

So far one distribution vector is known – http://1dnscontrol.com/flash_install.php. The infected servers would direct victims to the latter domain urging them to install BadRabbit malware executable – install_flash_player.exe. Later on, the latter  generates three more crucial executing files:

  • C:\Windows\infpub.dat
  • C:\Windows\cscc.dat
  • C:\Windows\dispci.exe

The second file is modified dcrypt.sys file which suggests that the felons used legitimate DiskCryptor service to encrypt files.

Interestingly, the malware directs its daggers to the same countries as Petya or WannaCry – Ukraine and Russia. It ceased Ukraine’s Odessa International Airport system and invaded several media corporations, including Interfax,  Fontanka.ru et al., servers. Note that the malware is not limited to these countries. Germany, Turkey, and Bulgaria also reported detecting BadRabbit malware.

The malware exhibits interesting disguise tactics. Besides mentioned fake Flash player updates, the malware also might hide under different dubious installation and removal executables. According to VirusTotal, the malware has been detected as Uninstaller 27.0 file.

Diskcoder.D author – Game of Thrones fan

After necessary executable files are activated, the file-encrypting threat also exhibits peculiar feature. Its commands include names of three dragons from Game of Throne series: Rhaegal, Drogon, and Viserion.

Additionally, the ransomware displays other amusing features. When launched in a virtual machine, it would display the alert to ‘disable anti-virus and anti-malware programs.’

Other features of the malware are not so entertaining. The above mentioned .dat files begin the process of altering Master Boot Record (MBR) settings. As a result, after rebooting the computer, Petya.A ransom notification emerges. Take a look at the below instructions to regain the access to the computer.

Though at the moment the malware was detected only in a comparatively low number of countries, but the overall number of infected systems is alarming. BadRabbit ransomware retrieves technical information about the infected computer which grants the insight about other devises visible on the network.

Since the vulnerabilities allowing the infection to execute are still unknown, it is possible that the malware might soon extend its reach to more countries. On the other, it is fortune that BadRabbit main distribution vector has been discovered. Such knowledge will allow the virtual community to apply certain prevention measures reducing Bad Rabbit hijack possibilities.

Different prevention measures

If you work in a major company in Ukraine, Russia, Germany or another targeted country, you are likely to encounter the malware. Therefore, remain vigilant before adding a new extension or downloading a new app. Bear in mind that legitimate Flash Player updates are not delivered in random pages.

Furthermore, you should be very careful when installing new applications. The above case of Uninstaller 24.0 suggests that BadRabbit virus might disguise under any app. The case of CCleaner v5.33 revealed that it is not so difficult to foist malware in a legitimate application. Now let us move on to Bad Rabbit removal discussion.

Performing BadRabbit elimination

Before you can remove Bad Rabbit virus completely, you will need to recover access to the device. In order to do that, follow below instructions. After that, restart the system in Safe Mode. Then launch a security application and initiate BadRabbit removal.

At the moment, there is no available free decryption tool. It would be unwise to remit the payment since there is no information whether Diskcoder.D developers send the decryption tool after payment. If you did not back up files, you might find some solutions below the article.

On Windows 7:

  1. Insert the Windows 7 DVD.
  2. Launch DVD.
  3. Select you language and keyboard layout preferences. Click Next.
  4. Select the operating system, place the checkmark on Use recovery tools and click Next.
  5. Wait for the System Recovery Options to open and select Command Prompt.
  6. Type in the following commands and click Enter after each of them: bootrec /rebuildbcd, bootrec /fixmbr,andbootrec /fixboot.
  7. Eject the installation DVD and reboot the PC.

On Windows 8/10 system:

  1. Insert the installation DVD disk or recovery USB.
  2. Choose Repair your computer option.
  3. SelectTroubleshoot and select Command Prompt.
  4. Enter the listed commands one by one and press Enter after each: bootrec /FixMbr, bootrec /FixBoot, bootrec /ScanOs, and bootrec /RebuildBcd.
  5. Eject the DVD or recovery USB.
  6. Type exit and press Enter.
  7. Restart the computer.

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If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Computer security experts recommend using Reimage to uninstall Bad Rabbit ransomware. Reimage scans the entire computer system and checks whether it is infected with spyware/malware or not. If you want to remove computer threats and secure your computer system, you should consider buying the licensed version of Reimage.

You can find more details about this program in Reimage review.

You can find more details about this program in Reimage review.
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Manual Bad Rabbit Virus Removal Instructions:

Eliminate Bad Rabbit using Safe Mode with Networking

You can detect malware using Reimage.
You need to purchase a licensed version of it to remove threats.
More details about Reimage.

  • Step 1: Restart your computer in Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Safe Mode with Networking from the list Choose 'Safe Mode with Networking' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Networking from the list of options in Startup Settings. Choose 'Enable Safe Mode with Networking' option
  • Step 2: Remove Bad Rabbit

    Sign in to your account and launch any Internet browser. Download a legitimate anti-malware software, for instance, Reimage. Make sure you update it to the latest version and then run a full system scan with it to detect and eliminate all malicious components of the ransomware to remove Bad Rabbit completely.

If your ransomware does not allow you to access Safe Mode with Networking, please follow the instructions provided below.

Eliminate Bad Rabbit using System Restore

You can detect malware using Reimage.
You need to purchase a licensed version of it to remove threats.
More details about Reimage.

Restart the device in Safe Mode and initiate BadRabbit removal.

  • Step 1: Restart your computer in Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Go to Start Shutdown Restart OK.
    2. As soon as your computer starts, start pressing F8 key repeatedly before the Windows logo shows up.
    3. Choose Command Prompt from the list Choose 'Safe Mode with Command Prompt' option

    Windows 10 / Windows 8
    1. Click on the Power button at the Windows login screen, and then press and hold Shift key on your keyboard. Then click Restart.
    2. Then select Troubleshoot Advanced options Startup Settings and click Restart.
    3. Once your computer starts, select Enable Safe Mode with Command Prompt from the list of options in Startup Settings. Choose 'Enable Safe Mode with Command Prompt' option
  • Step 2: Perform a system restore to recover files and settings
    1. When the Command Prompt window appears, type in cd restore and press Enter. Type 'cd restore' without quotes and hit 'Enter'
    2. Then type rstrui.exe and hit Enter.. Type 'rstrui.exe' without quotes and hit 'Enter'
    3. In a new window that shows up, click the Next button and choose a restore point that was created before the infiltration of Bad Rabbit and then click on the Next button again. When 'System Restore' wizard comes up, click 'Next'. Choose a preferable restore point and click 'Next'
    4. To start system restore, click Yes. Hit 'Yes' and start system restore
    After restoring the computer system to an antecedent date, install and check your computer with Reimage to uncover any remains of Bad Rabbit.

Bonus: Restore your files

Using the tutorial provided above you should be able to eliminate Bad Rabbit from the infected device. novirus.uk team has also prepared an in-depth data recovery guide which you will also find above.

There are a couple of methods you can apply to recover data encrypted by Bad Rabbit:

Will Data Recovery Pro decode files encrypted by BadRabbit virus?

The software is practical when restoring data after an unexpected system crash. It might be of use this time as well.

  • Download Data Recovery Pro (https://novirus.uk/download/data-recovery-pro-setup.exe);
  • Install Data Recovery on your computer following the steps indicated in the software’s Setup;
  • Run the program to scan your device for the data encrypted by Bad Rabbit ransomware;
  • Recover the data.

The usefulness of ShadowExplorer

Though Bad Rabbit/Diskcoder.D malware manifests complex features, it does not yet execute the command which deletes shadow volume copies in advance. Therefore, it is possible that Shadow Explorer might prove to be of service since it uses the latter to create the copies of the original files.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Install Shadow Explorer on your computer following the instructions in the software’s Setup Wizard;
  • Run the program. Navigate to the menu on the top-left corner and select a disk containing your encrypted files. Look through the available folders;
  • When you find the folder you want to recover, right-click it and select “Export”. Also, choose where the recovered data will be stored.

It is strongly recommended to take precautions and secure your computer from malware attacks. To protect your PC from Bad Rabbit and other dangerous viruses, you should install and keep a powerful malware removal tool, for instance, Reimage, Plumbytes Anti-MalwareWebroot SecureAnywhere AntiVirus or Malwarebytes Anti Malware.

About the author

Julie Splinters
Julie Splinters

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Source: https://www.2-spyware.com/remove-bad-rabbit-ransomware-virus.html

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