What is .vanss Dharma ransomware? And how does it carry out its attack?

Dharma Ransomware

.vanss Dharma ransomware is a file-encrypting virus designed to lock important files in a computer. It is also another one of the new variants of Dharma ransomware. As per its name, it uses the “.vanss” extension in marking the files it encrypts. The instant it infects a computer, it drops the following malicious payload in the system:

Type: Win32 EXE
Size:4.72 MB

After dropping its malicious payload in the system, .vanss Dharma ransomware will start to interact with the following system files in Windows:

  • KERNEL32.dll
  • USER32.dll
  • WTSAPI32.dll

The DLL files listed above are used by the crypto-malware to import the following functions in the infected system:

  • LocalFree
  • GetProcessAffinityMask
  • LocalAlloc
  • GetModuleHandleA
  • GetModuleFileNameW
  • VirtualQuery
  • FreeLibrary
  • ExitProcess
  • Sleep
  • SetThreadAffinityMask
  • SetProcessAffinityMask
  • GetProcAddress
  • LoadLibraryA
  • GetProcessWindowStation
  • GetUserObjectInformationW
  • WTSSendMessageW

The functions listed are used for the data gathering module as well as to repress and launch processes. Moreover, .vanss Dharma ransomware might also modify the following Windows files under the System32 folder:

  • C:\WINDOWS\system32\winime32.dll
  • C:\WINDOWS\system32\ws2_32.dll
  • C:\WINDOWS\system32\ws2help.dll
  • C:\WINDOWS\system32\psapi.dll
  • C:\WINDOWS\system32\imm32.dll
  • C:\WINDOWS\system32\lpk.dll
  • C:\WINDOWS\system32\usp10.dll
  • C:\WINDOWS\system32\comctl32.dll
  • C:\WINDOWS\system32\shell32.dll
  • C:\WINDOWS\WinSxS\x86_Microsoft.Windows.Common-Controls_6595b64144ccf1df_6.0.2600.5512_x-ww_35d4ce83\comctl32.dll
  • C:\WINDOWS\WindowsShell.Manifest
  • C:\WINDOWS\system32\MSCTF.dll

In addition, .vanss Dharma ransomware also makes changes in the Windows Registry to allow it to run on every system startup which makes it a persistent threat. After all the modifications done in the system, the Dharma variant uses the AES encryption algorithm in encrypting its targeted files. It then adds the .vanss suffix to each one of the compromised files indicating that the files are encrypted with the .vanss Dharma ransomware.

Following data encryption, it releases files such as FILES ENCRYPTED.txt and Info.hta both of which contains the ransom note that states:

“All your files have been encrypted!
All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the email [email protected]
Write this ID in the title of your message [removed]
In case of no answer in 24 hours write us to these emails: [email protected]
You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment, we will send you the decryption tool that will decrypt all your files.”

How is the malicious payload of .vanss Dharma ransomware disseminated over the web?

The malicious payload of .vanss Dharma ransomware may be disseminated using various methods. One of which is via malicious spam campaigns. Usually, cybercriminals pose to be legitimate email messages like invoices, receipts, banking statements,s and other seemingly legitimate emails to trick users into opening them and downloading the attachment or clicking the corrupted link. This is why before clicking any link or downloading any attachment, you must double-check and make sure that the email is indeed legitimate, otherwise, you’ll end up letting ransomware infections like .vanss Dharma invade your computer.

Follow the removal instructions given below to wipe out .vanss Dharma ransomware from your computer.

Step_1: Tap the Ctrl + Alt + Delete keys to open a menu and then expand the Shutdown options which are right next to the power button.

Step_2: After that, tap and hold the Shift key and then click on Restart.

Step_3: And in the Troubleshoot menu that opens, click on the Advanced options and then go to the Startup settings.

Step_4: Click on Restart and tap F4 to select Safe Mode or tap F5 to select Safe Mode with Networking.

Step_5: After your PC has successfully rebooted, tap Ctrl + Shift + Esc to open the Task Manager.

Step_6: Go to the Processes tab and look for any suspicious-looking processes that could be related to .vanss Dharma ransomware and then end their processes.

Step_7: Exit the Task Manager and open Control Panel by pressing the Windows key + R, then type in appwiz.cpl and then click OK or press Enter.

Step_8: Look for .vanss Dharma Ransomware and other dubious program and then uninstall them.

Step_9: Close the Control Panel and tap Win + E keys to open File Explorer.

Step_10: Navigate to the following locations and look for the malicious components created by .vanss Dharma ransomware such as Win32.exe, Info.hta, and FILES ENCRYPTED.txt then make sure to delete them all.

  • %TEMP%
  • %System%
  • %System32%
  • %ProgramData%
  • %USERPROFILE%\Downloads
  • %USERPROFILE%\Desktop

Step_11: Close the File Explorer.

Before you proceed to the next steps below, make sure that you are tech-savvy enough to the point where you know exactly how to use and navigate your computer’s Registry. Keep in mind that any changes you make will highly impact your computer. To save you the trouble and time, you can just use Restoro this system tool is proven to be safe and excellent enough that hackers won’t be able to hack into it. But if you can manage Windows Registry well, then by all means go on to the next steps.

Step_12: Tap Win + R to open Run and then type in Regedit in the field and tap enter to pull up Windows Registry.

Step_13: Navigate to the listed paths below and look for the registry keys and sub-keys created by .vanss Dharma ransomware.

  • \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\996E.exe
  • \Registry\MACHINE\System\CurrentControlSet\Control\SafeBoot\Option
  • \Registry\Machine\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers
  • \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows\Safer\CodeIdentifiers\TransparentEnabled
  • \REGISTRY\USER\S-1-5-21-1482476501-1645522239-1417001333-500\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers
  • \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\ole32.dll
  • \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\oleaut32.dll
  • \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\version.dll
  • \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\comctl32.dll
  • \Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\SHELL32.dll

Step_14: Delete the registry keys and sub-keys created by .vanss Dharma ransomware.

Step_15: Close the Registry Editor and empty your Recycle Bin.

Congratulations, you have just removed Dharma Ransomware in Windows 10 all by yourself. If you would like to read more helpful articles and tips about various software and hardware visit daily.

Now that’s how you remove Dharma Ransomware in Windows 10 on a computer. On the other hand, if your computer is going through some system-related issues that have to get fixed, there is a one-click solution known as Restoro you could check out to resolve them.

This program is a useful tool that could repair corrupted registries and optimize your PC’s overall performance. Aside from that, it also cleans out your computer for any junk or corrupted files that help you eliminate any unwanted files from your system. This is basically a solution that’s within your grasp with just a click. It’s easy to use as it is user-friendly. For a complete set of instructions in downloading and using it, refer to the steps below

Perform a full system scan using Restoro. To do so, follow the instructions below.

  1. Download and install Restoro from the official site.
  2. Once the installation process is completed, run Restoro to perform a full system scan.
    restoro laptop1
  3. After the scan is completed click the “Start Repair” button.
    restoro laptop2
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