Severity scale:  
  (98/100)

Rebus ransomware. How to remove? (Uninstall guide)

removal by Gabriel E. Hall - - | Type: Ransomware

Rebus ransomware – a new version of Scarab virus 

Rebus ransomware

Rebus ransomware is a file-encrypting virus that belongs to a popular malware family called Scarab. Therefore, this cyber threat continues the job of its predecessor. However, this variant adds “[32_random_digits_and_letters].REBUS” file extension to the targeted files during the encryption procedure. Then, victims are asked to contact crooks and learn about data recovery possibilities. However, you should never do it!

Name Rebus
Classification Ransomware
Danger level High
Ransomware family Scarab
Targeted OS  Windows
Extension used [32_random_digits_and_letters].REBUS
Contact email

rebushelp@airmail.cc

rebushelp@protonmail.com 

rebushelper@exploit.im

Ransom note

REBUS RECOVERY INFORMATION.TXT

Symptoms  Encrypted files, system changes, unresponssive programs
Distribution  Infected email attachments, Trojan viruses.
Decryption Impossible
Elimination  For the best Rebus ransomware removal results use Reimage

After infiltration and encryption, Scarab-Rebus ransomware places text file “REBUS RECOVERY INFORMATION.TXT” to each listing folder on your computer. This is the ransom message with details about decryption, payment and contact information:

“YOUR FILES ARE ENCRYPTED! 

Your personal ID

Your documents, photos, databases, save games and other important data was encrypted. 
Data recovery the necessary decryption tool. To get the decryption tool, should send an email to:

rebushelp@airmail.cc or rebushelp@protonmail.com

If you dont get reply in 24 hours use jabber:

rebushelper@exploit.im 

Letter must include Your personal ID (see the beginning of this document).

In the proof we have decryption tool, you can send us 1 file for test decryption.
Next, you need to pay for the decryption tool. 
In response letter You will receive the address of Bitcoin wallet which you need to perform the transfer of funds.

As you can see, authors of Rebus virus use three contact email address for communication for victims that are willing to pay the ransom:

  • rebushelp@airmail.cc
  • rebushelp@protonmail.com
  • rebushelper@exploit.im 

However, we do not recommend using any of them. Cybercriminals can disappear and ignore their victims. According to security specialists at Utanvirus.se[1] you should not contact them in any way because they might blackmail into paying more money or threaten to delete or publish online encrypted personal files. 

We highly suggest you remove Rebus ransomware as soon as you can from your computer. This helps to avoid any bigger damage ransomware can make. Do not believe that virus developers are only ones that can decrypt your files. This might be not true, often the virus developer themselves can not decrypt your data. However, third-party tools might help to rescue at least some of lost data, but first, you need to get rid of this cyber threat.

Rebus ransomware removal is difficult because a virus may have installed other malicious components that negatively affect computer's performance and security. For this reason, you need to use professional security software to clean the device. Reimage can help you with this task. You can find detailed instructions at the end of this article.

Be aware of the threats behind suspicious emails

Spam email[2] attachments are often used in ransomware distribution. In some cases, these fraudulent emails are hard to recognize because crooks use names of well-known companies. However, there's still a chance to spot dangers in your inbox:

  • if the email arrived in the spam folder, it should not be trusted. Legit company emails do not end up in this box;
  • the letter is sent from never before seen address;
  • attachments make no sense together with letter information;
  • addresses seem legit, but you do not use any of the platforms or providers;
  • the body of the letter is empty, but it includes an attachment only.

Delete spam emails immediately and do not open them. They might contain Trojan[3] viruses or malware executable. As you can see only one tiny mistake can lead to the horrible consequence.

Get rid of Rebus ransomware with anti-malware software

Rebus ransomware removal is vital for your system’s future safety. You should use anti-malware tools for this job, and we can recommend to you Reimage, Malwarebytes Malwarebytes, and Plumbytes Anti-MalwareNorton Internet Security. Also, there is a step by step guide down below that helps to proceed with the elimination.

We do not recommend trying to eliminate malware-related components from the machine. It is a dangerous and difficult task. If you are not an IT specialist, you might damage the system even more. Thus, you need to remove Rebus ransomware using professional tools to avoid damage.

We might be affiliated with any product we recommend on the site. Full disclosure in our Agreement of Use. By Downloading any provided Anti-spyware software to remove Rebus ransomware you agree to our privacy policy and agreement of use.
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What to do if failed?
If you failed to remove infection using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to uninstall Rebus ransomware. Free scanner allows you to check whether your PC is infected or not. If you need to remove malware, you have to purchase the licensed version of Reimage malware removal tool.
More information about this program can be found in Reimage review.
Press mentions on Reimage
Alternate Software
Plumbytes Anti-Malware
We have tested Plumbytes Anti-Malware's efficiency in removing Rebus ransomware (2018-08-01)
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Hitman Pro
We have tested Hitman Pro's efficiency in removing Rebus ransomware (2018-08-01)
Malwarebytes
We have tested Malwarebytes's efficiency in removing Rebus ransomware (2018-08-01)

To remove Rebus virus, follow these steps:

Remove Rebus using Safe Mode with Networking

You can reboot your computer using Safe Mode with Networking to complete virus elimination properly.

  • Step 1: Reboot your computer to Safe Mode with Networking

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Safe Mode with Networking from the list Select 'Safe Mode with Networking'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Networking in Startup Settings window. Select 'Enable Safe Mode with Networking'
  • Step 2: Remove Rebus

    Log in to your infected account and start the browser. Download Reimage or other legitimate anti-spyware program. Update it before a full system scan and remove malicious files that belong to your ransomware and complete Rebus removal.

If your ransomware is blocking Safe Mode with Networking, try further method.

Remove Rebus using System Restore

If the reboot method is not working you can try System Restore to disable the virus and run its automatic removal:

  • Step 1: Reboot your computer to Safe Mode with Command Prompt

    Windows 7 / Vista / XP
    1. Click Start Shutdown Restart OK.
    2. When your computer becomes active, start pressing F8 multiple times until you see the Advanced Boot Options window.
    3. Select Command Prompt from the list Select 'Safe Mode with Command Prompt'

    Windows 10 / Windows 8
    1. Press the Power button at the Windows login screen. Now press and hold Shift, which is on your keyboard, and click Restart..
    2. Now select Troubleshoot Advanced options Startup Settings and finally press Restart.
    3. Once your computer becomes active, select Enable Safe Mode with Command Prompt in Startup Settings window. Select 'Enable Safe Mode with Command Prompt'
  • Step 2: Restore your system files and settings
    1. Once the Command Prompt window shows up, enter cd restore and click Enter. Enter 'cd restore' without quotes and press 'Enter'
    2. Now type rstrui.exe and press Enter again.. Enter 'rstrui.exe' without quotes and press 'Enter'
    3. When a new window shows up, click Next and select your restore point that is prior the infiltration of Rebus. After doing that, click Next. When 'System Restore' window shows up, select 'Next' Select your restore point and click 'Next'
    4. Now click Yes to start system restore. Click 'Yes' and start system restore
    Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that Rebus removal is performed successfully.

Bonus: Recover your data

Guide which is presented above is supposed to help you remove Rebus from your computer. To recover your encrypted files, we recommend using a detailed guide prepared by 2-spyware.com security experts.

If your files are encrypted by Rebus, you can use several methods to restore them:

You can use Data Recovery Pro for file restoration

This tool is designed to be useful when dealing with encrypted or accidentally deleted files.

Try Windows Previous Versions feature

For restoring files encrypted by Rebus ransomware, you can use Windows Previous Versions feature (System Restore has to be enabled).

  • Find an encrypted file you need to restore and right-click on it;
  • Select “Properties” and go to “Previous versions” tab;
  • Here, check each of available copies of the file in “Folder versions”. You should select the version you want to recover and click “Restore”.

ShadowExplorer can recover some of the encrypted files

If Rebus ransomware failed to delete Shadow Volume Copies, you can use this tool for important data recovery.

  • Download Shadow Explorer (http://shadowexplorer.com/);
  • Follow a Shadow Explorer Setup Wizard and install this application on your computer;
  • Launch the program and go through the drop down menu on the top left corner to select the disk of your encrypted data. Check what folders are there;
  • Right-click on the folder you want to restore and select “Export”. You can also select where you want it to be stored.

Scarab-Rebus decrypter is not available.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Rebus and other ransomwares, use a reputable anti-spyware, such as Reimage, Malwarebytes Malwarebytes or Plumbytes Anti-MalwareNorton Internet Security

About the author

Gabriel E. Hall
Gabriel E. Hall - Passionate web researcher

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References

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