.qwex Files Virus (Dharma) – How to Remove It

.qwex Files Virus (Dharma) – How to Remove It

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This blog post has been created with the main goal to help you learn what is the .qwex files virus and how you can remove it from your PC plus how you can remove it effectively.

A new version of Dharma ransomware, carrying the .qwex file extension on the computers of victims was recently reported by users. The ransomware aims to infect users via multiple different types of methods and activities and then encrypt their files. The ransomware then drops a ransom note file containing the extortionist message of Dharma and this message aims to do nothing other than ask victims to pay ransom in order to get their files to work once again. In the events that your computer has been infected by Dharma .qwex ransomware, we recommend that you read this article thoroughly.

Threat Summary

Name.qwex Dharma Virus
TypeRansomware, Cryptovirus
Short DescriptionAims to encrypt the files on your computer and then get you to pay ransom in order to get the files to work.
SymptomsFiles have the .qwex file extension added to them. A ransom note is dropped with payment instructions.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by .qwex Dharma Virus


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .qwex Dharma Virus.
Data Recovery ToolWindows Data Recovery by Stellar Phoenix Notice! This product scans your drive sectors to recover lost files and it may not recover 100% of the encrypted files, but only few of them, depending on the situation and whether or not you have reformatted your drive.

Dharma .qwex Ransomware – Infection Methods

The main infection mean of this version of Dharma ransomware is conducted via malicious e-mails that contain the infection file as an e-mail attachment. The e-mails are cleverly designed to pose as seemingly important e-mails created to outline the attachments as crucial documents that must be opened, for example:

Besides via e-mail, an infection with the Dharma .qwex ransomware may infect users by having it’s malicious files uploaded on low-rep or compromised third-party sites, where it may pretend to be:

  • A crack.
  • Patch.
  • License activator.
  • Fake setup.
  • Update for a program.
  • Portable installer of software.

.qwex File Ransomware – More Information

Once the .qwex files virus has already conducted an infection, the malware may start to create various different types of modules on the victim’s computer. The main malicious file of the .qwex Dharma ransomware has the following information:

→ SHA-256: b50caa0122798f2ac48d63af82676f57ac2bdbe1f5d9662a1d14cff55f444b17
File name: LogSession.exe
File size: 328 KB

In addition to this file, other malicious objects may also be dropped in the following Windows directories:

  • %AppData%
  • %Local%
  • %LocalLow%
  • %Roaming%
  • %Temp%

Once these files are dropped on the computers of victims, the virus may perform the following malicious activities:

  • Create mutexes.
  • Interact with system files of Windows, like lsass.exe and sysdm.cpl.
  • Perform privilege escalation.
  • Modify Windows Task Scheduler.
  • Interact with Windows Registry Editor.

And last but not least, the Dharma .qwex ransomware may run the following commands in Windows command prompt that aim to delete the shadow copies on the infected machine:

→ sc stop VVS
sc stop wscsvc
sc stop WinDefend
sc stop wuauserv
sc stop BITS
sc stop ERSvc
sc stop WerSvc
cmd.exe /C bcdedit /set {default} recoveryenabled No
cmd.exe /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
C:\Windows\System32\cmd.exe” /C vssadmin.exe Delete Shadows /All /Quiet

.qwex Dharma Ransomware – Encryption

In order to encrypt the files on the computers compromised by it, the .qwex variant of Dharma ransomware may use a strong encryption mode whose primary goal is to overwrite the core structure of the files themselves, making them seem like they are corrupt. Dharma is a clever virus too, scanning only for the files that are used often by victims while in the same time skipping the files in system directories, like %Windows%, %AppData%, %Temp%, %Roaming%.

The following file types are eligible for encryption:

  • Documents.
  • Videos.
  • Images.
  • Audio files.
  • Archives.
  • Virtual drive file types.

As soon as Dharma .qwex ransomware has encrypted the files on your computer, the virus adds the e-mail backdata@qq.com and the .qwex extension:

Remove Dharma Ransomware and Try Restoring .qwex Files

If you want to remove the .qwex Dharma ransomware, we would recommend following the removal instructions underneath. They have been created to assist you in removing the .qwex variant of Dharma ransomware either manually or automatically(recommended) from your computer. For maximum effectiveness it is strongly advisable to follow the removal instructions underneath this article. They have been created with the main idea in mind to help you remove the virus by using the power of an anti-malware scanner. Such software aims to automatically detect all malicious objects related to the .qwex Dharma ransomware and then ensure that your computer remains protected against any infections that might occur in the future.

In addition to this, we would also advise that you see the alternative recover methods mentioned in the “Try to restore” step below. They may not be 100% effective to recover all your files, but with their aid, you might be able to restore at least some of your data.


Ventsislav Krastev

Ventsislav has been covering the latest malware, software and newest tech developments at SensorsTechForum for 3 years now. He started out as a network administrator. Having graduated Marketing as well, Ventsislav also has passion for discovery of new shifts and innovations in cybersecurity that become game changers. After studying Value Chain Management and then Network Administration, he found his passion within cybersecrurity and is a strong believer in basic education of every user towards online safety.

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