.1BTC Virus Files (Dharma Ransomware) - Remove It

.1BTC Virus Files (Dharma Ransomware) – Remove It

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The extension .1BTC appended to the names of valuable files is a sure sign you’re your PC is infected with Dharma ransomware. This threat is designed to interfere with essential system settings with the goal to encrypt personal files and demand a ransom fee for their recovery. It leaves all encrypted files renamed with the extension .1BTC. They remain completely inaccessible until their code is reverted back to its original state. As a result, the threat drops a ransom message to extort a ransom payment.

In this article, you will find more information about .1BTC virus files as well as a step-by-step guide on how to remove malicious files from the infected system and how to potentially recover encrypted .1BTC files.

Threat Summary

TypeRansomware, Cryptovirus
Short DescriptionA data locker ransomware designed to damage computer systems and encrypt valuable personal fles.
SymptomsImportant files are locked and renamed with a string of a few extensions. The last extension is .1BTC
Ransom message insists on ransom payment
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by .1BTC


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss .1BTC.
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.

.1BTC Virus Files (Dharma Ransomware) – Distribution and Impact

The .1BTC viurs files is a newly discovered cryptovirus based on the code of

Dharma ransomware.

The spread techniques used for the delivery of .1BTC ransomware virus are likely to be malspam, malvertising, freeware installers, fake software update notifications, and corrupted web pages. The most preferred one is likely to be malspam. It is realized via massive email spam campaigns that attempt to deliver malicious code on targeted PCs.

Usually, the emails that are part of such type of malicious campaigns attempt to trick you into loading a corrupted web page or downloading a malicious file attachment. Additionally, the email sender, as well as the address, may be spoofed. They may pose as representatives of well-known businesses and institutions.

The moment .1BTC files virus’s activation file is started on the computer, it triggers a long sequence of malicious operations that enable it to evade detection, misuse system functionalities and eventually encode valuable personal files.

As a part of Dharma ransomware family, .1BTC virus encrypts target files by utilizing the strong cipher algorithm AES. The encryption process is realized with the help of a built-in cipher module. That module scans all drives for certain types of files in order to apply changes to their code.

Due to the complexity of applied changes, encrypted files remain inaccessible until their code is reverted back to its original state. Unfortunately, you may not be able to view the information stored by the following files of yours:

  • Audio files
  • Video files
  • Document files
  • Image files
  • Backup files
  • Banking credentials, etc

One way to recognize an encrypted file is by the appearance of the extension .1BTC in its name. Additionally, you could see the email address btcdecoding@foxmail.com as an extension. This email address is associated with cybercriminals who stand behind .1BTC ransomware attacks. It could be also noticed in the ransom message that appears at the end of the infection process.

We know that you need to restore .1BTC files but we recommend that you refrain from transferring money to cybercriminals. Otherwise, you risk losing both your valuable files and money.

For the sake of your security, it is advisable to clean your infected computer from present malicious files and consider the help of alternative data recovery methods.

Remove .1BTC Virus Files (Dharma Ransomware)

The so-called .1BTC virus files is a threat with highly complex code that heavily damages both essential system settings and valuable data. So the only way to use your infected system securely again is to remove all malicious files and objects created by the ransomware. For the purpose, you could follow our step-by-step removal guide.

In the event that you want to attempt to restore .1BTC files with the help of alternative data recovery methods, do check step four – Try to Restore files encrypted by .1BTC virus files. We remind you to back up all encrypted files to an external drive before the recovery process.

Gergana Ivanova

Gergana Ivanova

Gergana has completed a bachelor degree in Marketing from the University of National and World Economy. She has been with the STF team for three years, researching malware and reporting on the latest infections.

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