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Cerber 4.1.5 ransomware virus. How to delete? (Removal tutorial)

removal by Olivia Morelli - - | Type: Ransomware

Cerber has been updated on more time: Cerber 4.1.5 virus started spreading

Cerber 4.1.5 virus is another recently discovered update of the popular Cerber ransomware project. Not so long ago we have talked about Cerber 4.1.0, Cerber 4.1.1 and Cerber 4.1.4 variants. It seems that hackers do not want to leave innocent computer users alone and continue updating blackmailing and money swindling methods. However, the latest four versions barely differ from each other. The malware encrypts files using the same RSA and AES cryptography, changes affected computer’s background picture and drops the same README.hta file. The latter file includes ransom note which demands to pay 0.6967 Bitcoins in order to get back access to the personal records. Victims often decide to transfer the money because it seems the only data recovery solutions. Unfortunately, it may be true. Malware researchers haven’t created a free decryption tool yet. However, if you have data backups, you can restore personal files for free. Even though you don’t have them, you can still use additional methods and try to restore at least some of the most important documents. Besides, there’s always a possibility that free decryption tool will be released soon. Therefore, you can backup encrypted files and concentrate on Cerber 4.1.5 removal. Keep in mind that it’s a complex computer infection which should be taken seriously. Eliminate malware with the help of professional anti-malware programs such as Reimage or Malwarebytes Malwarebytes. Malware removal tools can find and delete all malicious components safely. We highly recommend not trying to remove Cerber 4.1.5 manually. You may leave some of malicious components or delete crucial files and damage your computer even more.

Cerber 4.1.5 virus is the latest version of the Cerber ransomware

When Cerber 4.1.5 virus infiltrates the system, it starts looking for necessary files and encrypts them. Malware makes files useless by changing their names with random 10 characters string and appending 4 random characters extension. The last three Cerber’s variants behave in the same way. However, when data encryption is over, ransomware changes desktop’s picture with a ransom demanding message where it informs which version of malware affected the computer. The wallpaper also includes the link to a ‘personal payment’ website where users can learn more about purchasing Bitcoins and transferring them to the cyber criminals. Information related to the date decryption possibilities are presented in the ransom note called README.hta. Cerber 4.1.5 ransomware drops this file in all folders that have encrypted files. Once victims open this file, it launches a ‘Cerber Removal Instructions’ window. However, we do not recommend following these instructions no matter how important and valuable your files are. Cyber criminals may disappear after receiving your payment, or their offered decryption tool may be malicious. With decrypted files you may install additional malware. Besides, if you decide to pay once, hackers may think that you are willing to pay next time as well.

How does malware get inside computers?

Hackers spread Cerber 4.1.5 ransomware virus using two main techniques – malicious spam emails and PseudoDarkleech campaign. Using the first method hackers attach an infected Word document that includes Macro commands to an email. When users open the document and enable macros, the virus infiltrates the system. The second method allows spreading Cerber 4.1.5 ransomware via infected websites that have RIG exploit kit. When users visit this site, this tool starts scanning a computer and looking for vulnerabilities. When it finds some flaws in computer’s security or outdated programs, it uses them to install malware. You can reduce the risk of the ransomware attack if you double check the information about the sender before opening a suspicious email attachment, protect your computer with strong antivirus program and keep all your programs updated.

How to remove Cerber 4.1.5 and restore files?

Talking about malware removal and possibility to restore files, we have both good and bad news. Good news is that you can remove Cerber 4.1.5 from the computer with the help of Reimage or Malwarebytes Malwarebytes. Before installing, updating and scanning computer’s system, you should read the instructions presented below. Malware may prevent users from accessing antivirus or anti-malware tools. After Cerber 4.1.5 removal you can restore your files from data backups. However, it’s the only way to recover data safely. Of course, you can and you should try additional data recovery methods presented at the end of the article. Maybe you will retrieve at least some of your personal files.

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To remove Cerber 4.1.5 virus, follow these steps:

Eliminate Cerber 4.1.5 using Safe Mode with Networking

  • 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 Cerber 4.1.5

    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 Cerber 4.1.5 completely.

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

Eliminate Cerber 4.1.5 using System Restore

  • 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 Cerber 4.1.5 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 Cerber 4.1.5.

Bonus: Restore your files

Using the tutorial provided above you should be able to eliminate Cerber 4.1.5 from the infected device. novirus.uk team has also prepared an in-depth data recovery guide which you will also find above.

Paying the ransom may seem like the only data recovery solution. However, before risking your money, try additional methods that may help to restore your files. 

There are a couple of methods you can apply to recover data encrypted by Cerber 4.1.5:

Restore lost files with the help of Data Recovery Pro

This tool has been created to fix corrupted or lost files. However, there’s a possibility that this tool may restore some of the encrypted files as well.

  • Download Data Recovery Pro;
  • 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 Cerber 4.1.5 ransomware;
  • Recover the data.

Take advantage of Windows Previous Versions

You can try to restore individual files using this method only then System Restore feature has been enabled on your PC before ransomware attack.

  • Right-click on the encrypted document you want to recover;
  • Click “Properties” and navigate to “Previous versions” tab;
  • In the “Folder versions” section look for the available file copies. Choose the desired version and press “Restore”.

It is strongly recommended to take precautions and secure your computer from malware attacks. To protect your PC from Cerber 4.1.5 and other dangerous viruses, you should install and keep a powerful malware removal tool, for instance, Reimage, Malwarebytes Malwarebytes or Plumbytes Anti-MalwareNorton Internet Security.

About the author

Olivia Morelli
Olivia Morelli

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Source: https://www.2-spyware.com/remove-cerber-4-1-5-ransomware-virus.html

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