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Cmb ransomware. How to remove? (Uninstall guide)

removal by Jake Doevan - - | Type: Ransomware

Cmb Dharma ransomware – a sneaky cryptovirus which appends the .cmb file extension after encrypting user's most important data

Cmb ransomware
Cmb ransomware - a sneaky computer virus which affects files by corrupting them with unique encryption codes.

Cmb ransomware is the latest variant of the Dharma ransomware family. This sneaky cyber threat infiltrates the system through spam messages and starts modifying the Windows Registry to be able to perform its hazardous actions. The virus encrypts files by using a unique algorithm and adding the .cmb appendix to each affected file. Furthermore, Cmb ransomware displays a message named “All your files have been encrypted!” to announce about the secret invasion. Cybercriminals urge victims to contact them via paymentbtc@firemail.cc email address and pay a certain price for the recovery of encrypted data. As evidence that files can be restored, the crooks offer to send them one file for decryption. 

Name Cmb ransomware
Type Cryptovirus
Danger level High. Infiltrates the system, affects various files by turning them unusable, demands a ransom for the decryption
Related to Dharma ransomware
Appendix .cmb file extension
Ransom note “All your files have been encrypted!”
Ransom Might differ each time, needs to be paid in cryptocurrency, usually, Bitcoin
Given email paymentbtc@firemail.cc
Distribution Spreads thru spam emails or misleading sites
Deletion Use Reimage and get rid of the ransomware infection

When dealing with ransomware, you should know that you should never trust those users who are responsible for creating and spreading ransomware.[1] Typically, they take people's money and start avoiding any contact with them. Having in mind that users are always asked to pay in Bitcoin or similar cryptocurrency,[2] there is no way to find them and get back your money. We advise staying away from Cmb ransomware developers are all costs.

We strongly suggest you perform the Cmb ransomware removal as soon as you spot first symptoms of ransomware activity on your computer. Typically, these are the changes caused by this cryptovirus: 

  • Files' names are filled with the .cmb extension;
  • A particular ransom note is displayed in every folder;
  • You cannot open encrypted files as they are locked;
  • paymentbtc@firemail.cc email address is provided to contact virus developers.

If any of these symptoms can be found on your computer, don't waste your time as this virus might cause yet another encryption of your files right after finding new data on your system. In this case, you need to remove Cmb Dharma ransomware from your computer system without any hesitation.

There is no reason for waiting as the longer this cyber threat stays on the system, the bigger the damage might be. We recommend using Reimage for the elimination process. However, you can feel completely free to choose any other trustworthy anti-malware program. Finally, note that security software cannot recover encrypted data. For that, you should either use backups of your most valuable data or try special software given below.

Spam – the main method used in ransomware distribution

According to malware researchers[3], ransomware most likely spreads thru phishing messages which cybercrooks drop straightly to victims' email boxes. Once received, such a message goes to the spam or trash section. However, it is advisable to get rid of such content as it might include a harmful attachment clipped to it or a hazardous link inserted in it.

Another piece of advice would be to stop visiting dubious sites as they might also spread misleading content, including various malware forms. For higher protection, consider installing an anti-virus program. It will guarantee you high system protection an allow you to do regular system scans, which can be a prevention from various cyber infections.

Eliminate Cmb ransomware from your PC

To remove Cmb file virus, you will need to be very careful and pay attention to the instructions given in this guide. We suggest using professional and trustworthy removal tools that will guide you thru the whole removal procedure. Try programs such as Reimage, Malwarebytes, or Plumbytes Anti-MalwareNorton Internet Security after updating them to their latest versions.

After you deal with the Cmb ransomware removal, consider performing steps that are given below to recover your encrypted files. Finally, be sure to refresh your entire computer system and save backups of your most valuable files on the external hard drive, cloud or similar location to avoid unpleasant consequences in the future.

Make sure that all virus-related content is vanished by performing steps given below to disable malware at first:

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What to do if failed?
If you failed to remove virus damage using Reimage, submit a question to our support team and provide as much details as possible.
Reimage is recommended to remove virus damage. 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.

If you decided to select another anti-spyware, uninstall Reimage from your computer.
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Alternate Software
Malwarebytes
Alternate Software
Malwarebytes

To remove Cmb virus, follow these steps:

Remove Cmb using Safe Mode with Networking

Reboot your PC to Safe Mode with Networking:

  • 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 Cmb

    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 Cmb removal.

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

Remove Cmb using System Restore

Activate the System Restore function to disable the harmful activity:

  • 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 Cmb. 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 Cmb removal is performed successfully.

Bonus: Recover your data

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

If you have noticed that ransomware infiltrated into your PC system and corrupted various files, we guess you are thinking about data recovery methods. You can find some tools, which might be able to help you with this problem, below.

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

Consider using Data Recovery Pro:

  • 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 Cmb ransomware;
  • Restore them.

Windows Previous Versions feature might be helpful:

  • 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”.

Try Shadow Explorer to recover important data:

  • 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.

Experts have not found any official Cmb ransomware decrypter so far.

About the author

Jake Doevan
Jake Doevan - Computer technology expert

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