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Remove Cube ransomware (Removal Instructions) - Bonus: Decryption Steps

removal by Ugnius Kiguolis - - | Type: Ransomware

Cube ransomware – a ransom-demanding malware which uses symmetric or asymmetric cipher for data locking

Cube ransomware virus

Cube ransomware is a file-locking threat that uses unique ciphers to encrypt stored data. This malware has been first discovered by a well-known cybersecurity researcher named Michael Gillespie.[1] The purpose of this malicious program is to launch an encryption code on targeted files and leave them with the .cube appendix. Afterward, READ_ME.txt ransom message is displayed and urges a ransom in Bitcoins to be transferred in exchange for the data decryption tool. For evidence that the key truly exists, cybercriminals offer to send them one file for free unlocking. Additionally, two email addresses mikrotik@tutamail.com or paydear@aol.com are added as a way to show contact and discuss all matters.

Name Cube
Program type Ransomware
Founder Michael Gillespie
Appendix .cube
Ransom note READ_ ME.txt
Email addresses mikrotik@tutamail.com or paydear@aol.com
Price No particular details are given. However, Bitcoin is required
Features File encryption. Might also delete Shadow Volume Copies, inject other malware modify the Windows Registry and Task Manager
Detection Reimage Reimage Cleaner software can spot malicious objects in your system

Cube ransomware comes from the cryptolocker family but might carry not only encryption features. Some of these threats might have the capability of erasing Shadow Volume Copies,[2] injecting other malware, avoiding the detection of some antivirus programs, and even launching its malicious activities within every computer boot.

Take a look at the note that is provided by Cube ransomware for its identification:

ATENTION!!!
 
I am truly sorry to inform you that all your important files are crypted.
If you want to recover your encrypted files you need to follow a few steps.
You need to buy bitcoins and send them to the address you receive by mail.
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.
hxxps://localbitcoins.com/buy_bitcoins
Also you can find other places to buy Bitcoins and beginners guide here:
hxxp://www.coindesk.com/information/how-can-i-buy-bitcoins/
write to Google how to buy Bitcoin in your country?
in order to guarantee the availability of our key
we can decrypt one file for free
the size of the files  
other formats will not be free decryption
after payment we will send a decryption program
Do not try to decrypt your files with programs by the decoder,
you will only damage your data and lose them forever.
Only we can decrypt your data, write to the original mails specified in this file,
otherwise you will become a victim of scammers.
Contact email address mikrotik@tutamail.com or paydear@aol.com

Cube virus requires immediate elimination if you want to prevent the ransomware from spreading further. Malicious-looking objects can be detected in the system by using reputable programs such as Reimage Reimage Cleaner . It is necessary to find all malware-laden components, otherwise, the ransomware might not leave your computer system.

Talking about the ransom price that is urged by Cube ransomware, there are no particular details given. However, it is known that such crooks are most likely to demand an amount of money between $500-$1500. Nevertheless, these people often scam the victims and leave them facing monetary losses without any decryption tool.

You need to remove Cube ransomware if you want to continue with data recovery techniques. Rather than contacting the criminals you should take a look at the file restoring steps that we have provided below this article. Make sure to choose the most suitable method regarding your computer and encrypted data conditions.

Continuously, you might find content that is related to Cube ransomware in different locations of your computer system. Mostly, you might see suspicious processes running in the Windows Task Manager. Also, ransomware injects malicious entries into locations such as the Registry which allows the threat to perform its activities.

Cube ransomware
Cube ransomware - a cyber threat that uses AES, SHA, and RSA cipher algorithms to encrypt data on the targeted PC

Ransomware uses stealth distribution techniques via malicious executables

According to technology experts from Virusai.lt,[3] ransomware viruses are mostly distributed via email spam and malicious files or links that come attached to these messages. Our suggestion would be to keep a distance from all questionable received content and avoid opening any suspicious email messages.

Additionally, ransomware and similar malware are capable of spreading via third-party networks such as peer-to-peer ones where malicious objects can easily be injected into downloading links and other directories. Always be careful while entering specific content on the Internet sphere, identify its safety level first.

Automatical software is also a necessary component for ensuring computer safety. If you regularly update these tools, they will prevent various threats from appearing on your machine and causing harm.

Cube ransomware can be eliminated with the help of reputable anti-malware

If you have spotted files with the .cube extension, note that it is time to perform the Cube ransomware removal on your Windows computer. For this purpose, choose only strong elimination tools. Additionally, you can download and install software such as Reimage Reimage Cleaner , SpyHunter 5Combo Cleaner, or Malwarebytes to perform a full system scan and look for malware signs.

You should not try to remove Cube virus on your own as you might only cause more damage to your computer system. Reputable anti-malware is the only software that is capable of dealing with such threats safely. After the process, use portable drives to store your important information on them that it will not be reachable for other people.

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What to do if failed?
If you failed to remove virus damage using Reimage Reimage Cleaner, submit a question to our support team and provide as much details as possible.
Reimage Reimage Cleaner has a free limited scanner. Reimage Reimage Cleaner offers more through scan when you purchase its full version. When free scanner detects issues, you can fix them using free manual repairs or you can decide to purchase the full version in order to fix them automatically.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage, try running SpyHunter 5.
Alternative Software
Different software has a different purpose. If you didn’t succeed in fixing corrupted files with Reimage Cleaner, try running Combo Cleaner.

To remove Cube virus, follow these steps:

Remove Cube using Safe Mode with Networking

Opting for the Safe Mode with Networking function might allow you to successfully stop the ransomware from spreading further:

  • 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 Cube

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

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

Remove Cube using System Restore

Using the below-provided helping guide will allow you to correctly boot your machine in System Restore mode that can disable the ransomware:

  • 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 Cube. 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 Reimage Cleaner and make sure that Cube removal is performed successfully.

Bonus: Recover your data

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

Spotting .cube files shouts out about the Cube ransomware infection that has somehow managed to infiltrate your computer system. Continue with the following techniques to restore some of your files back to their previous positions.

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

Data Recovery Pro is file unlocking software:

By using this tool you slightly increase your chances of unlocking files and documents that have been encrypted or corrupted in other ways.

  • Download Data Recovery Pro;
  • Follow the steps of Data Recovery Setup and install the program on your computer;
  • Launch it and scan your computer for files encrypted by Cube ransomware;
  • Restore them.

Windows Previous Versions can be used for file restoring purposes:

If the System Restore mode has already been enabled on your computer, you can continue to unlock your files by performing all steps necessary.

  • 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”.

Use Shadow Explorer to unlock encrypted data:

This third-party software is created for data recovery purposes of these files which did not have their Shadow Volume Copies deleted or damaged.

  • 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.

There has been no official decryption tool for Cube ransomware released recently.

Finally, you should always think about the protection of crypto-ransomwares. In order to protect your computer from Cube and other ransomwares, use a reputable anti-spyware, such as Reimage Reimage Cleaner , SpyHunter 5Combo Cleaner or Malwarebytes

About the author

Ugnius Kiguolis
Ugnius Kiguolis - The mastermind

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