When you open your computer as usually and log in, but surprised to find it turns into a red screen with a ransom note saying that in order to get access to your files,you must pay for the ransom.Unfortunately,we need to tell you that your computer has gone wrongly. It’s very possible that your computer has infected with a certain ransomware called DMA Locker 4.0 Ransomware. It’s the latest version of DMA Locker released by its developers, and many computer users have been the victims.

Know more about DMA Locker 4.0

DMA Locker 4.0 is deemed as ransomware by cyber security experts and can be detected by anti-spyware tools such as SpyHunter and Malwarebytes.It’s a file-encrypting ransomware that encrypts all the files found on the infected computers with the RSA-2048 key and AES-265. This method is so complicated that makes it difficult to save the locked files, thus its developpers can ensure that the encrypted files can’t be opoened except for buying the Encryption Key. This latest version is so strong that all the Windows systems are under attacked, like Windows 10, Windows 7, Windows 8, Windows Vista, and Windows XP. Once the files are encrypted, they are added !DMALOCKER4.0 to the header of the files instead of the end. When it finishes the encryption, a message will be left to tell you that in order to rescue the coded files, you need to 1 BTC or sometimes double and even triple for ransom payment.

How does DMA Locker 4.0 works?

On the arrival of DMA Locker 4.0, it first creates an executable in the %AppData% or %LocalAppData% folder, then, this executable starts to scan all the files stored in every disks on the infected computer to lock.After this process, all the encrypted files will be appended the prefix !DMALOCK4.0, and you can’t open them any more.What’s more, there will be a ransom note text named cryptinfo.txt in each file folder that has been encrypted as well as on the desktop. The worst is that, files in the startup folder are unavoidable be locked, which makes it possible that ransom note automatically pops up every time victims log in their computers. DMA Locker 4.0 locks files or documents with the following extensions that are commonly found on the computers:


.avi, .wmv, .csv, .d3dbsp, .zip, .sql, .mp4, .7z, .rar, .m4a, .wma, .sie, .sum, .ibank, .t13, .t12, .qdf, .hvpl, .hplg, .hkdb, .mdbackup, .gdb, .tax, .pkpass, .bc6, .bc7, .bkp, .qic, .bkf, .sidn, .sidd, .mddata, .itl, .itdb, .icxs, .syncdb, .gho, .cas, .svg, .map, .fsh, .ntl, .arch00, .lvl, .wmo, .itm, .sb, .fos, .mov, .vdf, .ztmp, .sis, .sid, .ncf, .menu, .layout, .dmp, .blob, .esm, .vcf, .vtf, .dazip, .fpk, .mlx, .kf, .iwd, .vpk, .tor, .psk, .litemod, .asset, .forge, .ltx, .bsa, .apk, .re4, .sav, .lbf, .slm, .bik, .epk, .rgss3a, .pak, .big, wallet, .wotreplay, .xxx, .desc, .py, .m3u, .flv, .js, .css, .rb, .hkx, .bar, .upk, .das, .iwi, pfx,.png, .jpeg, .txt, .p7c, .p7b, .p12, .rim, .w3x , .snx, .cfr, .ff, .vpp_pc, .lrf, .m2, .mcmeta, .vfs0, .mpqge, .kdb, .db0, .dba, .rofl, .pem, .crt, .cer, .der, .x3f, .srw, .pef, .ptx, .r3d, .rw2, .rwl, .raw, .raf, .orf, .nrw, .mrwref, .mef, .erf, .kdc, .dcr, .cr2, .crw, .bay, .sr2, .srf, .arw, .3fr, .dng, .jpe, .jpg, .cdr, .indd, .ai, .eps, .pdf, .pdd, .dxg, .xf, .dwg, .pst, .accdb, .mdb, .pptm, .pptx, .ppt, .xlk, .xlsb, .xlsm, .xlsx, .xls, .wps, .docm, .docx, .doc, .odb, .odc, .odm, .odp, .ods, .odt, .psd, .dbf, .mdf, .wb2, .rtf, .wpd.



How does DMA Locker 4.0 slip into the computer without your knowledge?

DMA Locker 4.0 penetrates into your computer system secretly as a file brought by malicious software in the form of spam email as well as a file downloaded and opened by victims who visit corrupted websites. The spam email contains infected attachments or links to malicious websites. The spam email is sent to you in the name of shipping company like FedEx, saying that they tried to deliver a package to you but fail. Thus,takes you into believing that it’s a normal email and you are curious about it and click on it. Once click, your computer will be infected.

What can you do with this ransomware?

According to experts, except for the Encryption Key no method can be employed to decrypt the locked files, but there are ways to keep DMA Locker 4.0 out of your infected computer. Below this passage, we provide a relatively detail guidelines to help you get rid of DMA Locker 4.0. Although we can’t make sure that everything will be brought back to normal, it’s not bad to have a try. You should keep in mind that makes deal with cyber criminals is never a wise choice, and don’t pay the ransom because they don’t promise that they will give you the key right after you pay for the ransom.

Instructions to remove DMA Locker 4.0 out of infected computer.

Instruction 1: Remove DMA Locker 4.0 out of infected computer manually
Instruction 2:Remove DMA Locker 4.0 out of infected computer automatically( with SpyHunter or Malwarebytes ) 

Instruction 1: Remove DMA Locker 4.0 out of infected computer manually

1.Click “Start Menu” then get into “Control Panel”.



open “Windows Add/Remove program” and then uninstall all the infectious program.



2.Pressing Alt+Ctrl+Del to open “Windows Task Manager” and then choosing all the Jaku related processes, click to “End Task”.




3. Delete Jaku registry entries from the “Registry Editor”.
Click “Start Menu”, use the search box to search “ redegit” and choose “regedit.exe”. Then remove all Trojan related registry entries from “Registry Editor”.



Instruction 2: Remove DMA Locker 4.0 out of infected computer automatically(with

SpyHunter or Malwarebytes)

SpyHunter is a powerful real-time anti-spyware that can prevent the computer from threats like worms, trojan, adwrare, and browser hijacker. It is designed with advanced technology to give the computer optimal protection. SpyHunter offers additional customization capabilities to ensure everyone is able to custom tailor SpyHunter to fit his/her specific needs.

1. Remove Fake LinkedIn Spam Email Virus with SpyHunter

Step 1: Download SpyHunter from the following



Step 2: Follow the screen guide to install SpyHunter



Step 3: When complete installation, run a full scan of the computer

Malware Scan by SpyHunter


Step 4: After scanning, potential threats of the computer are listed out, click “Fix Threats” to remove them.

spyhunter step four


2. Remove DMA Locker 4.0 with Malwarebytes



Step 1:Download Malwarebytes Anti-spyware

Download the Malwarebytes by clicking the button

download 15


Step 2:Install Malwarebytes step by step

After downloading the installation package, double click the icon to install.



Step 3: To have a full scan of the computer

Click “Scan Now” to start.



Step 4:Remove all malware infections

When finishing, all the malware infections detected by Malwarebytes will be listed, tick all the items and then click “Remove Selected”.


Note: During the removal process, Malwarebytes may require you to reboot the system

in order to clean all the threats completely, please allow it to do so.

Optimize Your PC Using RegCure Pro

RegCure Pro is an advanced optimizer which is able to solve your computer system problems, remove your privacy items produced by online searches, delete junk files, uninstall malware and fix performance problems.

1) Click the below button to FREE download RegCure Pro.


Alt=Download Button


2) Click the “Run” button to install the program step by step.

RegCure Pro Run


3) After the installation is complete, open the program and scan your system for unnecessary files and invalid registry entries. That will take some time for the first scanning. Please wait while the program scans your system for performance problems.


4) When the System Scan is done, click the “Fix All” button to correct all the security risks and potential causes of your computer slow performance.

In Conclusion

DMA Locker 4.0 is a very dangerous ransomware that can cause large amounts of troubles even fatal errors to your computer security. We strongly recommended you to remove it as quickly as possible before causing further damages to your computer security and your online safety.


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