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DilmaLocker ransomware virus. How to remove? (Uninstall guide)

removal by Olivia Morelli - - 2017-09-07 | Type: Ransomware

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DilmaLocker ransomware uses sophisticated techniques to infiltrate computers and hide from its victims. Use Reimage to determine whether your system is infected and prevent the loss of your files.
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DilmaLocker is yet another virtual extortion tool set to encrypt your files

DilmaLocker ransomware

DilmaLocker is a new ransomware-type virus that compromises victim’s files to demand a ransom^[1]. The malicious software employs AES-256 cipher to encode all user’s files and leaves a ransom note called RECUPERE_SEUS_ARQUIVOS.html and dilminha.dat. When encrypting the data, ransomware appends .__dilmaV1 file extension to each file.

The malicious virus triggers a pop-up message saying “Seus arquivos foram criptografados,” which roughly translates from Portuguese to “Your files were encrypted.” The virus presents itself as Trojan.Ransom.Win32.Dilma.Locker. The virus also changes the background image that suggests writing to dilmaonion@keemail.me to get data recovery instructions. Dilma virus also informs the victim that all files on the system will be deleted after four days.

DilmaLocker authors demand to pay 3000 Brazilian Reals in Bitcoin. The sum is equal to 968 US dollars. However, the criminals admit that they are ready for negotiations if the user cannot afford to pay a ransom of nearly thousand USD.

In addition, cyber criminals suggest to prove their intentions and say that they can decrypt one file of victim’s choice. The only condition is that the file cannot be larger than 3MB in size.

However, we do not recommend paying the ransom because you get no guarantees that your files will be decrypted. The criminals can disappear at any moment and leave you with piles of encrypted data. Therefore, if your computer got hit by ransomware, we recommend you to remove DilmaLocker virus immediately. You should consider using a good anti-malware software such as Reimage to eliminate it.

DilmaLocker virus — DilmaLocker ransomware provides the ransom note in Portuguese. The virus demands paying 3000 Brazilian Reals from the victim.

**Method 1. (Safe Mode method)**
Select 'Safe Mode with Networking'

**Method 1. (Safe Mode method)**
Select 'Enable Safe Mode with Networking'

**Method 2. (System Restore method)**
Select 'Safe Mode with Command Prompt'

**Method 2. (System Restore method)**
Select 'Enable Safe Mode with Command Prompt'

**Method 2. (System Restore method)**
Enter 'cd restore' without quotes and press 'Enter'

**Method 2. (System Restore method)**
Enter 'rstrui.exe' without quotes and press 'Enter'

**Method 2. (System Restore method)**
When 'System Restore' window shows up, select 'Next'

**Method 2. (System Restore method)**
Select your restore point and click 'Next'

**Method 2. (System Restore method)**
Click 'Yes' and start system restore

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However, it is not that easy to remove a ransomware virus. For a successful DilmaLocker removal, you might need to use instructions provided below this article to reboot your PC into Safe Mode with Networking. This helps to deactivate the virus (temporarily) to delete it without any interruptions.

Distribution of Dilma virus

It is suspected that DilmaLocker spreads via malicious spam and possibly RDP attacks. However, it is unknown whether the virus uses more sophisticated distribution methods such as malvertising^[2] or exploit kits. According to Udenvirus.dk team^[3], to prevent the ransomware from infecting your PC and taking your files hostage, you simply need to:

Install a reliable security software;
Create a data backup;
Enable automatic software updates or just install software updates manually (and regularly!);
Avoid opening suspicious emails or clicking on questionable ads or links when browsing the Internet.

Remove DilmaLocker virus for good

You can remove DilmaLocker quite easily. All that you need to do is to restart your PC using the given instructions, and allow your security software run. Keep in mind that a system reboot into a Safe Mode with Networking is required in order to eliminate the virus without facing any possible obstacles.

Do not delay DilmaLocker removal and clean your computer now. Remember – paying the ransom is not the solution to the problem and this option might not help to recover your data. Instead of paying the extortionists, consider trying one of the provided data recovery methods (see instructions below).

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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.

Alternative Software

Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Malwarebytes.

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Alternative Software

Different security software includes different virus database. If you didn’t succeed in finding malware with Reimage, try running alternative scan with Combo Cleaner.

Download Combo Cleaner Review »

To remove DilmaLocker virus, follow these steps:

Remove DilmaLocker using Safe Mode with Networking

Uninstall Dilma Locker ransomware using the given tutorial:

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
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.
Step 2: Remove DilmaLocker

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 DilmaLocker removal.

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

Remove DilmaLocker using System Restore

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
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.
Step 2: Restore your system files and settings
1. Once the Command Prompt window shows up, enter cd restore and click Enter.
2. Now type rstrui.exe and press Enter again..
3. When a new window shows up, click Next and select your restore point that is prior the infiltration of DilmaLocker. After doing that, click Next.
4. Now click Yes to start system restore.
Once you restore your system to a previous date, download and scan your computer with Reimage and make sure that DilmaLocker removal is performed successfully.

Bonus: Recover your data

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

To restore your files, you should experiment and try one of the provided methods (in case you do not have a data backup!).

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

Recover your data

Firstly, attempt to recover files with Data Recovery Pro

Data Recovery Pro software might be the answer. It is a reliable data recovery tool and it might help you to restore lost files.

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 DilmaLocker ransomware;
Restore them.

Secondly, attempt to restore encrypted data with ShadowExplorer

ShadowExplorer is a software that might help you to recreate encrypted files using Volume Shadow Copies. It also checks if the virus deleted them from the system or not.

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.

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

About the author

Olivia Morelli - Ransomware analyst

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References

^ Elle Hunt. Don't pay WannaCry demands, cybersecurity experts say. The Guardian - Technology. Latest Technology News, Comment and Analysis.
^ John Leyden. UCL ransomware attack traced to malvertising campaign. The Register. Sci/Tech News for the World.
^ UdenVirus. UdenVirus. Malware and Spyware News.

This entry was posted on 2017-09-07 at 06:06 and is filed under Ransomware, Viruses.