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.dot ransomware. How to delete? (Removal tutorial)

removal by Lucia Danes - - | Type: Ransomware

What purpose does .dot virus have?

.dot ransomware virus is another extortionist that aims at various types of files and prevents users from using them. The ransomware uses AES encryption algorithm to protect various image, audio, video, text or other file types. As the name of the malware suggests, during data encoding procedure, it appends .dot file extension. Thus, after the attack, victims can identify occupied files easily. Unfortunately, it might not be easy to recover them. Well, if you have data backups, you are the lucky one who can survive the .dot virus attack without huge damage. Otherwise, people have two options: either paying the ransom for the cyber criminals or trying additional data recovery methods while malware researchers are developing a safe decryptor. Obviously, we do not recommend paying the ransom for the criminals because this activity might end up not in your favour. As soon as you find out about ransomware attack, you should scan the computer with Reimage and perform the automatic .dot removal.

Nevertheless, hackers give direct commands in the help_decrypt.txt file; you should behave oppositely. People standing behind .dot virus demands to pay the fixed amount of Bitcoins. The size of the ransom might vary due to the amount and importance of the encrypted files. Usually, cyber criminals ask to pay around 1 Bitcoin. However, sometimes they ask to transfer even more money using Tor browser. This network allows authors of the .dot ransomware to stay anonymous and avoid legal punishment. Thus, if they won’t provide you a decryption software, legal institutions barely can help to get back your money. Therefore, by paying the ransom, you might end up with an even bigger loss. The main purpose of the ransomware is to swindle the money from computer users, and data recovery is just a matter of hackers’ conscience. Thus, we believe you should remove .dot from the computer and look for the alternative data recovery methods.

Why was the computer infected with ransomware?

Dot ransomware has been created as an illegal money making tool. Thus, cyber criminals hoped that you would be willing to transfer the demanded amount of Bitcoins to rescue your files. However, ransomware distribution requires more than hopes. Developers of this crypto-malware use two distribution and infiltration methods. One of them is malicious spam emails. Therefore, .dot ransomware might get inside your computer when you open the attached document, supposedly sent from well-known companies, retailers, organisations or governmental institutions. Indeed, you might be easily tricked by a perfectly crafted fraudulent email. Hence, you should not rush opening all attached files before double-checking the information about the message content and the sender. Another way how .dot malware might get inside the system are exploit kits. This method allows using security vulnerabilities to attack the computer. Thus, it’s important to keep all your software updated. What is more, installation of the antivirus program also minimises the risk of encountering the file-encrypting virus.

.dot virus removal instructions

Manual ransomware removal is a complicated procedure, and we do not recommend it for the victims. The .dot file virus might pretend to be a legitimate system file. Thus, trying to identify malicious files might be hard. Bear in mind that you might make a mistake and remove important system files instead of virus-related components. There’s no doubt that you might cause irreparable damage to your device. Thus, we firmly recommend performing the automatic .dot removal. This elimination method requires installing professional malware removal program and running a full system scan. We recommend using one of these programs: Reimage, Plumbytes Anti-MalwareNorton Internet Security or Malwarebytes Malwarebytes. Sometimes file-encrypting viruses are capable of preventing users from installing security tools or accessing them. In this case, follow our prepared instructions below. They will help to disable the virus and remove .dot malware automatically.

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To remove .dot virus, follow these steps:

Eliminate .dot using Safe Mode with Networking

It’s possible that .dot file virus blocks access to the security programs or prevents from installing them. In this case, you need to reboot your computer to the Safe Mode with Networking. It helps to disable the virus and perform the automatic removal.

  • 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 .dot

    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 .dot completely.

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

Eliminate .dot using System Restore

System Restore method also helps to disable the virus in order to install or access malware removal program.

  • 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 .dot 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 .dot.

Bonus: Restore your files

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

At the moment, the only free and safe data recovery option is backups. However, lots of computer users learn about the necessity to back up too late. If you do not have backups too, you can try alternative methods that might help to restore at least some of your files.

There are a couple of methods you can apply to recover data encrypted by .dot:

Data Recovery Pro might help to restore files encrypted by .dot ransomware

Data Recovery Pro offers a chance to restore encrypted files automatically. This program is designed to restore deleted, corrupted and encrypted files; however, you should not forget that it’s not a .dot decryptor.

  • 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 .dot ransomware;
  • Recover the data.

Windows Previous Version feature might help to rescue individual files encrypted by .dot malware

This method requires enabled System Restore function on your computer. Thus, if it was activated before ransomware attack, please follow the steps and copy earlier saved copies of the encrypted files.

  • 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”.

ShadowExplorer might help to recover files encrypted by .dot virus

ShadowExplorer uses Shadow Volume Copies for data recovery. Thus, if .dot file virus hasn’t deleted them, follow these steps:

  • 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.

.dot decryptor

We are sorry, but .dot decryptor is not available yet.

It is strongly recommended to take precautions and secure your computer from malware attacks. To protect your PC from .dot 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

Lucia Danes
Lucia Danes - Virus researcher

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Source: https://www.2-spyware.com/remove-dot-virus.html

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