.qbtex Files Virus (Dharma) – WHAT IS IT + Remove It

.qbtex Files Virus (Dharma) – WHAT IS IT + Remove It

What are .qbtex files? How to remove the .qbtex Dharma ransomware? How to try and restore .qbtex files, encrypted by Dharma ransom virus?

The .qbtex files are files, encrypted by Dharma ransomware virus. The purpose of this virus is to encrypt files on your computer, preventing you to open them, until you pay a hefty ransom to be able to use them again. The .qbtex variant of Dharma also adds a ransom note, which contains instructions on how to pay the ransom in the cryptocurrency BitCoin. If your computer has been infected by Dharma .qbtex ransomware, we recommend that you read this article.

Threat Summary

Name.qbtex Files Virus
TypeRansomware, Cryptovirus
Short DescriptionFiles are encrypted and the victims cannot open them unless they pay ransom.
SymptomsFiles have the .qbtex file extension added to them. A ransom note _readme.txt file is also dropped.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by .qbtex Files Virus


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .qbtex Files 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.

.qbtex Dharma Virus – How Did I Get It and What Does It Do?

There are more than one methods, allegedly used by this variant of Dharma ransomware to spread. For one, the virus could replicate by being sent to you via e-mail. There, the ransomware’s infection files could exist in the form of invoices, receipts or other seemingly important documents. Once downloaded and ran, infection with Dharma ransomware is inevitable.

Furthermore, another infection method could be to have the virus files uploaded on suspicious sites, where they may seem like they are something ready for download, like a patch, update, crack, key generator, activator or other form of seeming legitimate executable.

Whatever the case, once the .qbtex ransomware has already compromised your computer, the virus may perform the following activities:

  • Obtain rights as an administrator.
  • Obtain read and write permissions.
  • Check if your machine was previously infected by one of Dharma ransomware’s variants.
  • Modify the Windows Registry Editor.
  • Download and run payload files.
  • Obtain information about your network.

Once an infection occurs, Dharma ransomware may drop it’s payload files in the following Windows directories:

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

The ransomware also drops its ransom note file, that looks like the following:

Among the dropped files, the ransomware may begin the encryption process. This encryption mode may target the following types of files.


After encryption, the files become no longer openable and they start to look like the following:

Remove Dharma Ransomware and Try to Restore .qbtex Files

To remove Dharma ransomware, you should follow the removal steps underneath. If the first two manual removal methods do not work, then we recommend you to remove this software automatically, using an advanced anti-malware software. Such program can effectively scan your computer and automatically delete the virus files of Dharma ransomware plus protect you against any infections that might occur in the future as well.


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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