DynA-Crypt Ransomware Virus (Removal Steps and Protection Updates)

The malware expert Karsten Hahn reported a new dangerous PowersShell-based virus known as the DynA-Crypt ransomware, read our removal guide to learn more about it.


Name
DynA-Crypt Ransomware

File Extensions
Unknown at this time

Ransom
50 US Dollars in Bitcoins

Solution #1
You can skip all steps and remove DynA-Crypt Ransomware with the help of an anti-malware tool.

Solution #2
DynA-Crypt Ransomware ransomware can be removed manually, though it can be very hard for most home users. See the detailed tutorial below.

Distribution
Spam Email Campaigns, malicious ads & etc.

DynA-Crypt Ransomware Description

The DynA-Crypt ransomware is a newly discovered threat which was just reported by Karsten Hahn, a noteworthy security specialist. At the moment the security analysis is sill ongoing and we do not know if the malware uses code that is derived from a previously known family.

Also we are not sure what cipher the encryption engine uses and how it affects the user data. In the most common scenario the viruses encrypt the popular file types that are likely to contain sensitive user data – documents, photos, music, configuration files, backup images and etc. The list of target extensions is the following:

.001, .avi, .csv, .doc, .docx, .jpeg,.jpg, .m4a, .mdb, .mkv, .mov, .mp3, .mp4, .msg, .odt, .pdf, .png, .ppt, .pptx, .pst, .rar, .xls, .xlsx, .zip

Karsten reports that the virus also installs a backdoor onto the victim system which allows remote control access of the affected computer by the hackers. The virus uses various PowerShell commands to execute various built-in tasks.

The following ranasomware note is crafted and shown to the victims when the encryption process is complete:

DynA-Crypt

All your important files are encrypted

Your computer has been locked
If you want unlock send 50 $ BTC
To this wallet if not files wil be
Randomly deleting every 5 minutes

1JzypNfNnJRWRFJFxNo5qAt13vYmxqeEz5

DynA-Crypt Ransomware Distribution

There are several ways which can be used to infect victims with the DynA-Crypt ransomware.

Here are some of the popular distribution methods:

  • Email Messages – Hackers distribute spam messages that contain links leading to the ransomware infection or attach them directly. Depending on the targets the hacker(s) may opt to use various social engineering tricks.
  • Malicious Redirects – All types of crafted redirects can lead to infections caused by this particular virus. This category of threats includes all sorts of malicious ads and browser hijackers which can lead to serious dangers.
  • Software Bundles – Viruses are often inserted into software that is downloaded from the Internet and P2P networks like BitTorrent. Usually hackers host applications, games, patches and various cracks or fixes on suspicious download sites. In many cases they contain dangerous malware.

DynA-Crypt Ransomware – How To Remove it and Prevent It From Coming Back

There are two ways of removal:

DynA-Crypt Ransomware Ransomware Removal

For a faster solution, you can run a scan with an advanced malware removal tool and delete DynA-Crypt Ransomware completely with a few mouse clicks.

STEP I: Start the PC in Safe Mode with Network
This will isolate all files and objects created by the ransomware so they will be removed efficiently.

    1) Hit WIN Key + R

Windows-key-plus-R-button-launch-Run-Box-in-Windows-illustrated

    2) A Run window will appear. In it, write “msconfig” and then press Enter
    3) A Configuration box shall appear. In it Choose the tab named “Boot
    4) Mark “Safe Boot” option and then go to “Network” under it to tick it too
    5) Apply -> OK

Or check our video guide – “How to start PC in Safe Mode with Networking

STEP II: Show Hidden Files

    1) Open My Computer/This PC
    2) Windows 7

      – Click on “Organize” button
      – Select “Folder and search options
      – Select the “View” tab
      – Go under “Hidden files and folders” and mark “Show hidden files and folders” option

    3) Windows 8/ 10

      – Open “View” tab
      – Mark “Hidden items” option

    show-hidden-files-win8-10

    4) Click “Apply” and then “OK” button

STEP III: Enter Windows Task Manager and Stop Malicious Processes

    1) Hit the following key combination: CTRL+SHIFT+ESC
    2) Get over to “Processes
    3) When you find suspicious process right click on it and select “Open File Location
    4) Go back to Task Manager and end the malicious process. Right click on it again and choose “End Process
    5) Next you should go folder where the malicious file is located and delete it

STEP IV: Remove Completely DynA-Crypt Ransomware Ransomware Using SpyHunter Anti-Malware Tool

Manual removal of DynA-Crypt Ransomware requires being familiar with system files and registries. Removal of any important data can lead to permanent system damage. Prevent this troublesome effect – delete DynA-Crypt Ransomware ransomware with SpyHunter malware removal tool.

SpyHunter anti-malware tool will diagnose all current threats on the computer. By purchasing the full version, you will be able to remove all malware threats instantly. Additional information about SpyHunter / Help to uninstall SpyHunter

STEP V: Repair Windows Registry

    1) Again type simultaneously the Windows Button + R key combination
    2) In the box, write “regedit”(without the inverted commas) and hit Enter
    3) Type the CTRL+F and then write the malicious name in the search type field to locate the malicious executable
    4) In case you have discovered registry keys and values related to the name, you should delete them, but be careful not to delete legitimate keys

Further help for Windows Registry repair

STEP VI: Recover Encrypted Files

    1) Use present backups
    2) Restore your personal files using File History

      – Hit WIN Key
      – Type “restore your files” in the search box
      – Select “Restore your files with File History
      – Choose a folder or type the name of the file in the search bar

    restore-your-personal-files-using-File-History-bestecuritysearch

      – Hit the “Restore” button

    3) Using System Restore Point

      – Hit WIN Key
      – Select “Open System Restore” and follow the steps

restore-files-using-system-restore-point

STEP VII: Preventive Security Measures

    1) Enable and properly configure your Firewall.
    2) Install and maintain reliable anti-malware software.
    3) Secure your web browser.
    4) Check regularly for available software updates and apply them.
    5) Disable macros in Office documents.
    6) Use strong passwords.
    7) Don’t open attachments or click on links unless you’re certain they’re safe.
    8) Backup regularly your data.

SpyHunter anti-malware tool will diagnose all current threats on the computer. By purchasing the full version, you will be able to remove all malware threats instantly. Additional information about SpyHunter / Help to uninstall SpyHunter

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Author : Martin Beltov

Martin graduated with a degree in Publishing from Sofia University. As a cyber security enthusiast he enjoys writing about the latest threats and mechanisms of intrusion.


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