DMA Locker is malware whose main purpose is to encrypt vital files on an infected computer’s hard drive as well as its portable drives connected to it. The files that have been encrypted become corrupt and they cannot be opened. In addition to that the locker leaves a ransom note with instructions on how to pay money in exchange for the restoration of the files. Users who have been affected by the virus are strongly advised to not pay anything to the cyber criminals since in this way they may fund their operation and it is no guarantee their files will be restored. It is strongly advisable to remove the threat and look for alternative methods of file decryption, instructions for which we have provided after this article.
|Short Description||The ransomware encrypts files with the RSA algorithm and AES-128 ciphers and asks a ransom for decryption.|
|Symptoms||Files are encrypted and become inaccessible. A ransom note with instructions for paying the ransom shows as a .txt file.|
|Distribution Method||Spam Emails, Email Attachments, File Sharing Networks.|
|Detection Tool|| See If Your System Has Been Affected by malware |
Malware Removal Tool
|User Experience||Join our forum to Discuss DMA Locker.|
DMA Locker – How Did I Get Infected
One way to become a victim of this nasty cyber-threat is via third-party applications that may advertise malicious web links on your computer. The ransomware may also spread using other methods such malicious links featured in various spam messages. Furthermore, the ransomware may be distributed via several different types of spam email messages. Spam messages may resemble different reputable services, inviting users to either click on a malicious web ink or open a malicious e-mail attachment.
Symantec Security Response has confirmed that once it has been activated on a certain computer, the ransomware may create one or more files in:
The threat then may create the following folder:
What is more, the Trojan creates a registry entry with a value, allowing it to run every time with Windows:
→ HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\”cssys” = “%AllUsersProfile%\ntserver.exe”
After this, the ransomware begins to encrypt user files that are of the most commonly used file extensions, without the ones below:
→ .bat .cmd .com .cpl .dll .exe .hta .lnk .msc .msi .msp .pif .scr .sys
Further, the user`s files have been successfully encrypted the ransomware may drop a ransom note, stating the following:
→ “All your important files (Hard Disks, Network Disks, USB) are encrypted.
The files are encrypted with asymmetric algorithm using AES-256 and RSA-2048 ciphers
Your files are not possible to recovery without decryption key which is located only in OUR database
Only way to recovery your files is to pay us 1500 USD in Bitcoin currency (3.5 BTC) instead of decryption key which allow you to recovery ALL your encrypted files.”
In addition to that it leaves a file, called DMA-Locker which has instructions on how to pay the ransom money. They also include a deadline for payment after which the decryption keys may be destroyed:
Remove Locky Ransomware and Restore .locky Encrypted Files
In order to remove this ransomware from your device it is advisable to isolate it first by disconnecting from the internet and backing up your data. After this you should follow the step-by-step instructions provided below. Furthermore, it is also recommended to use an advanced anti-malware software in order to discover all modified registries on your computer and other objects that may be associated with this malware.
UPDATE (February 3): Learn how to restore files encrypted by DMA Locker
Attention! SensorsTechForum strongly recommends that all malware victims should look for assistance only by reputable sources. Many guides out there claim to offer free recovery and decryption for files encrypted by ransomware viruses. Be advised that some of them may only be after your money.
As a site that has been dedicated to providing free removal instructions for ransomware and malware since 2014, SensorsTechForum’s recommendation is to only pay attention to trustworthy sources.
How to recognize trustworthy sources:
- Always check "About Us" web page.
- Profile of the content creator.
- Make sure that real people are behind the site and not fake names and profiles.
- Verify Facebook, LinkedIn and Twitter personal profiles.
How to Remove DMA Locker from Windows.
Step 1: Boot Your PC In Safe Mode to isolate and remove DMA Locker
Step 2: Uninstall DMA Locker and related software from Windows
Here is a method in few easy steps that should be able to uninstall most programs. No matter if you are using Windows 10, 8, 7, Vista or XP, those steps will get the job done. Dragging the program or its folder to the recycle bin can be a very bad decision. If you do that, bits and pieces of the program are left behind, and that can lead to unstable work of your PC, errors with the file type associations and other unpleasant activities. The proper way to get a program off your computer is to Uninstall it.
Step 3: Clean any registries, created by DMA Locker on your computer.
The usually targeted registries of Windows machines are the following:
You can access them by opening the Windows registry editor and deleting any values, created by DMA Locker there. This can happen by following the steps underneath:
Step 4: Scan for DMA Locker with SpyHunter Anti-Malware Tool
Step 5 (Optional): Try to Restore Files Encrypted by DMA Locker.
Ransomware infections and DMA Locker aim to encrypt your files using an encryption algorithm which may be very difficult to decrypt. This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
Simply click on the link and on the website menus on top, choose Data Recovery - Data Recovery Wizard for Windows or Mac (depending on your OS), and then download and run the tool.
Get rid of DMA Locker from Mac OS X.
Step 1: Uninstall DMA Locker and remove related files and objects
1. Hit the ⇧+⌘+U keys to open Utilities. Another way is to click on “Go” and then click “Utilities”, like the image below shows:
- Go to Finder.
- In the search bar type the name of the app that you want to remove.
- Above the search bar change the two drop down menus to “System Files” and “Are Included” so that you can see all of the files associated with the application you want to remove. Bear in mind that some of the files may not be related to the app so be very careful which files you delete.
- If all of the files are related, hold the ⌘+A buttons to select them and then drive them to “Trash”.
In case you cannot remove DMA Locker via Step 1 above:
In case you cannot find the virus files and objects in your Applications or other places we have shown above, you can manually look for them in the Libraries of your Mac. But before doing this, please read the disclaimer below:
You can repeat the same procedure with the following other Library directories:
Tip: ~ is there on purpose, because it leads to more LaunchAgents.
Step 2: Scan for and remove malware from your Mac
When you are facing problems on your Mac as a result of unwanted scripts, programs and malware, the recommended way of eliminating the threat is by using an anti-malware program. Combo Cleaner offers advanced security features along with other modules that will improve your Mac’s security and protect it in the future.
Step 3 (Optional): Try to Restore Files Encrypted by DMA Locker on your Mac.
Ransomware for Mac DMA Locker aims to encode all your files using an encryption algorithm which may be very difficult to decode, unless you pay money.
This is why we have suggested a data recovery method that may help you go around direct decryption and try to restore your files, but only in some cases. Bear in mind that this method may not be 100% effective but may also help you a little or a lot in different situations.
DMA Locker FAQ
What is DMA Locker ransomware and how does it work?
DMA Locker is a ransomware infection - the malicious software that enters your computer silently and blocks either access to the computer itself or encrypt your files.
Many ransomware viruses use sophisticated encryption algorithm how to make your files inaccessible. The goal of ransomware infections is to demand that you pay a ransom payment to get access to your files back.
How does DMA Locker ransomware infect my computer?
Via several ways.DMA Locker Ransomware infects computers by being sent via phishing e-mails, containing virus attachment.
This attachment is usually masked as an important document, like an invoice, bank document or even a plane ticket and it looks very convincing to users.
After you download and execute this attachment, a drive-by download occurs and your computer is infected with the ransomware virus.
Another way, you may become a victim of DMA Locker is if you download a fake installer, crack or patch from a low reputation website or if you click on a virus link. Many users report getting a ransomware infection by downloading torrents.
How to open .DMA Locker files?
You can't. At this point the .DMA Locker files are encrypted. You can only open them once they are decrypted.
Decryptor did not decrypt my data. What now?
Do not panic and backup the files. If a decryptor did not decrypt your .DMA Locker files successfully, then do not despair, because this virus is still new.
One way to restore files, encrypted by DMA Locker ransomware is to use a decryptor for it. But since it's a new virus, advised that the decryption keys for it may not be out yet and available to the public. We will update this article and keep you posted as soon as this decryptor is released.
How Do I restore ".DMA Locker" files (Other Methods)?
Yes, sometimes files can be restored. We have suggested several file recovery methods that could work if you want to restore .DMA Locker files.
These methods are in no way 100% guarantee that you will be able to get your files back. But if you have a backup, your chances of success are much greater.
How do I get rid of DMA Locker ransomware virus?
The safest way and the most efficient one for the removal of this ransomware infection is the use a professional anti malware software. It will scan for and locate DMA Locker ransomware and then remove it without causing any additional harm to your important .DMA Locker files.
Also, keep in mind that viruses like DMA Locker ransomware also install Trojans and keyloggers that can steal your passwords and accounts. Scanning your computer with an anti-malware software will make sure that all of these virus components are removed and your computer is protected in the future.
What to Do If nothing works?
There is still a lot you can do. If none of the above methods seem to work for you, then try these methods:
- Try to find a safe computer from where you can can login on your own line accounts like One Drive, iDrive, Google Drive and so on.
- Try to contact your friends, relatives and other people so that they can check if they have some of your important photos or documents just in case you sent them.
- Also, check if some of the files that were encrypted it can be re-downloaded from the web.
- Another clever way to get back some of your files is to find another old computer, a flash drive or even a CD or a DVD where you may have saved your older documents. You might be surprised what will turn up.
- You can also go to your email account to check if you can send any attachments to other people. Usually what is sent the email is saved on your account and you can re-download it. But most importantly, make sure that this is done from a safe computer and make sure to remove the virus first.
More tips you can find on our forums, where you can also asks any questions about your ransomware problem.