.dcrtr Files Virus (Ransomware) – How to Remove and Restore Data
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.dcrtr Files Virus (Ransomware) – How to Remove and Restore Data

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This article has been created in order to help you by showing you how to remove the .dcrtr files virus and how to restore files encrypted by this ransomware infection on your computer system.

A ransomware virus has been detected to encrypt the files on victims’ computers, appending the .dcrtr file extension to the encoded files. The malware aims to use advanced encryption which it appends on the files, making them to seem corrupt. The end goal is for the virus to get victims to open the ReadMe_Decryptor.txt file which has ransom instructions that give the victim information how to make a ransom payoff in BitCoin after negotiating with the cyber-criminals for the ransom amount. In case your computer has been infected by the .dcrtr files virus, recommendations are to focus on removing it from your computer and restoring encrypted files, preferrably by following the information within this article.

Threat Summary

Name.dcrtr Files Virus
TypeRansomware, Cryptovirus
Short DescriptionAims to encrypt the files on the victim’s computer and then extort victims to pay in BitCoin in order to be able to use their files again.
SymptomsImportant files are encrypted with added “.[[email protected]].dcrtr” suffix to them and a ransom note, named “ReadMe_Decryptor.txt” also appears.
Distribution MethodSpam Emails, Email Attachments, Executable files
Detection Tool See If Your System Has Been Affected by .dcrtr Files Virus

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User ExperienceJoin Our Forum to Discuss .dcrtr 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.

.dcrtr files virus – How Does It Infect

The primary methods of infection that are being used to propagate this ransomware are both passive and active methods. If passive, the cyber-criminals are more lazy and may upload the files on torrent websites or suspicious software sites with high ranking in order to “fish” for potential victims. The files are carefully masked as:

  • The drivers or the setup of programs you may be looking to download.
  • Fake software license activators.
  • Fake game or program patches.
  • Fake cracks or key generators for software or games.

In addition to using this method, the cyber-criminals may also spread the virus actively by taking the job to manually send e-mails to a pre-configured lists of victims’ e-mail addresses. Such lists they usually purchase on the dark net, where organizations or hackers may steal personal information and sell it for their own profits. The e-mails which may be sent may contain your name, and they may pretend to come from reputable companies, from the likes of PayPal, eBay, FedEx or other big companies. They usually mask a malicious e-mail attachment which is then used as a legitimate document, for instance:

  • Invoice.
  • Activation code file.
  • Receipt for an order.
  • Banking information of importance.

Since the virus may also use malicious e-mail web links which may carry JavaScript code that may cause an automatic download and execution of files, it is also a possibility of infection with the .dcrtr ransomware virus. If we had to explain it with graphics, here is how the infection process would appear like as a chain of consequential activities:

.dcrtr Files Virus – Maliciious Activity

As soon as the .dcrtr files ransomware has infected the victim’s computer, the malware may perform series of unwanted activties on the victim’s computer, which may result in the virus receiving administrative privileges to read and write files on your computer. Then, the malware may connect to a C&C server from which the malicious files of .dcrtr ransomware may be dropped on the victim’s computer. They may reside in the following Windows directories:

  • %Local%
  • %LocalLow%
  • %AppData%
  • %System%
  • %system32%
  • %Temp%

In addition to this, the ransomware virus may also modify the following Windows registry sub-keys:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

The .dcrtr files ransomware may create registry entries in those sub keys with data which points to the actual location of the malicious files which are being executed. This may result in the malware running automatically when you start Windows.

Furhtemore, the .dcrtr files ransomware may also perform other activities on the victim’s computer, such as delete the shadow volume copies and backups by executing a script that may run the following commands as an administrator in Windows Command Prompt without you even noticing it:

→ process call create “cmd.exe /c
vssadmin.exe delete shadows /all /quiet
bcdedit.exe /set {default} recoveryenabled no
bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures

After these commands are ran, the .dcrtr files virus may also perform other activities on the victim’s computer, such as set it’s ransom note, named ReadMe_Decryptor.txt to be automatically displayed and show the following message:

All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected]
In case of no answer in 24 hours write us to theese e-mails: [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.

Free decryption as guarantee
Before paying you can send us up to 5 files for free decryption. The total size of files must be less than 10Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.)

How to obtain Bitcoins
The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click ‘Buy bitcoins’, and select the seller by payment method and price.
https://localbitcoins.com/buy_bitcoins
Also you can find other places to buy Bitcoins and beginners guide here:
http://www.coindesk.com/information/how-can-i-buy-bitcoins/

.dcrtr Files Virus – File Encryption

The encryption process of this ransomware begins by it starting to scan for the file types it has been pre-configured to encrypt. Such files are documents, video files, music files, pictures and other types of files. In addition to this, the malware may scan for files based on their file extensions and the most commonly used ones are often the target.

The encryption process results in the files being appended the {LAMA} file marker at the end of their HEX and they also carry the .[[email protected]].dcrtr file suffix which has the e-mail for contacting the cyber-criminals:

Remove .dcrtr Ransomware and Restore Encrypted Files

In order to get rid of this ransomware infection, recommendations are to focus on removing it by following the removal instructions down below. They are specifically divided in manual and automatic removal methods and if you lack the experience in removing ransomware viruses, like the .dcrtr files virus, experts strongly advise to perform the removal process automatically, by downloading an advanced anti-malware software. Such software will help you to remove this infection by scanning for it’s malicious objects and fully secure your computer against future infections as well.

In addition to removing this malware, if you want to try and restore as many files as you can, we recommend that you try the file recovery instructions in step “2. Restore files, encrypted by .dcrtr Files Virus” down below. They may not be 100% effective, but may help you in recovering as many encrypted files as possible.

Note! Your computer system may be affected by .dcrtr Files Virus and other threats.
Scan Your PC with SpyHunter
SpyHunter is a powerful malware removal tool designed to help users with in-depth system security analysis, detection and removal of threats such as .dcrtr Files Virus.
Keep in mind, that SpyHunter’s scanner is only for malware detection. If SpyHunter detects malware on your PC, you will need to purchase SpyHunter’s malware removal tool to remove the malware threats. Read our SpyHunter 5 review. Click on the corresponding links to check SpyHunter’s EULA, Privacy Policy and Threat Assessment Criteria.

To remove .dcrtr Files Virus follow these steps:

1. Boot Your PC In Safe Mode to isolate and remove .dcrtr Files Virus files and objects
2. Find files created by .dcrtr Files Virus on your PC

Use SpyHunter to scan for malware and unwanted programs

3. Scan for malware and unwanted programs with SpyHunter Anti-Malware Tool
4. Try to Restore files encrypted by .dcrtr Files Virus

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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