Remove Cdr Virus (.cdr Files) - Ransomware Removal Guide

Remove Cdr Virus (.cdr Files) – Ransomware Removal Guide

remove cdr file virus sensorstechforum

This article explains the issues that occur in case of infection with Cdr virus and provides a complete Cdr virus removal guide. When following the steps below you will also find how to potentially recover .cdr files.

The Cdr virus is a nasty ransomware infection that has been detected in active attack campaigns. Security researchers classify the threat as a strain of the infamous STOP ransomware. When started on a target machine Cdr ransomware interferes with essential system settings. Then it becomes able to encode target types of personal files and prevents you from accessing their data. The names of all corrupted files have the extension .cdr. At the end of the attack, Cdr ransomware displays a ransom message that extorts ransom fee for files recovery.

Keep up with our guide and find out how to completely remove Cdr virus from your infected PC. If you are looking for reliable data recovery solutions, you can also check the restore files step from the guide.

Threat Summary

TypeRansomware, Cryptovirus
Short DescriptionEncrypts files on your computer and extorts a ransom fee for their recovery.
SymptomsImportant files are locked and renamed with .cdr extension. You see a ransom message that forces you to contact hackers for a decryption tool.
Distribution MethodSpam Emails, Email Attachments
Detection Tool See If Your System Has Been Affected by Cdr


Malware Removal Tool

User ExperienceJoin Our Forum to Discuss Cdr.
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.

Cdr Virus – What Does It Do?

The Cdr ransomware is a cryptovirus programmed to encode personal data. As soon as it applies all needed malicious modifications the ransomware launches a cipher module to transform target files and prevent the users from interacting with their content. In an attempt to blackmail victims into paying a ransom fee it will display a ransomware note.

You should NOT under any circumstances pay to crooks. Your files may not get recovered, and nobody could give you a guarantee for that.

If your computer device was infected with Cdr ransomware and your files are locked, read on through to find out how you could potentially restore your files back to normal.

Cdr Virus (STOP Ransomware) – Detailed Description

Analyses of Cdr viru samples indicate that the infection belongs to the well-known

STOP ransomware family. Strains of this threat family have been circling around the web since the end of 2017.

According to security researchers reports, the Cdr STOP ransomware is lurking across the web in active attack campaigns. The attacks can be set against online users worldwide. As of the spread techniques used for the delivery of Cdr malicious samples, they are likely to be malspam, corrupted web pages, software installers, P2P networks and others.

When executed on a target machine the Cdr virus triggers a long sequence of malicious operations that support system security disruption. By affecting system registries, ending essential processes and activating malicious files, the ransomware becomes able to reach the target types of personal files and transform them with the help of two sophisticated cipher algorithm – AES and RSA. To make victims more prone to pay a ransom fee, Cdr virus corrupts files that are likely to store valuable personal information.

Smilar to some of its predecessors

Shariz virus and Seto virus Cdr virus has the goal to locaize commonly used types of files. So it can make all of the following files inaccessible:

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

Every encrypted file can be recognized by the extension .cdr that is appended to its name.

Next, the ransomware drops a ransom message file – _readme.txt in an attempt to blackmail you into contacting hackers for more details about a ransom payment process. Here is a copy of the ransom message of Cdr cryptovirus:


Don’t worry, you can return all your files!
All your files like photos, databases, documents and other important are encrypted with strongest encryption and unique key.
The only method of recovering files is to purchase decrypt tool and unique key for you.
This software will decrypt all your encrypted files.
What guarantees you have?
You can send one of your encrypted file from your PC and we decrypt it for free.
But we can decrypt only 1 file for free. File must not contain valuable information.
You can get and look video overview decrypt tool:

Price of private key and decrypt software is $980.
Discount 50% available if you contact us first 72 hours, that’s price for you is $490.
Please note that you’ll never restore your data without payment.
Check your e-mail “Spam” or “Junk” folder if you don’t get answer more than 6 hours.
To get this software you need write on our e-mail:

Reserve e-mail address to contact us:
Our Telegram account:

Your personal ID:


Beware that by paying the ransom you may still be unable to recover .cdr files. Cybercriminals may send you a broken decryptor. They may also neglect your messages and stop answering you.

Remove Cdr Virus and Restore Data

The so-called Cdr virus is a threat with highly complex code designed to corrupt both system settings and valuable data. Hence the infected system could be used in a secure manner again only after the complete removal of all malicious files and objects created by Cdr ransomware. That’s why we recommend that all steps presented in the Cdr ransomware removal guide below should be completed. Beware that the manual ransomware removal is suitable for more experienced computer users. If you don’t feel comfortable with the manual steps navigate to the automatic part of the guide.

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 four years, researching malware and reporting on the latest infections.

More Posts

Follow Me:
Google Plus

Leave a Comment

Your email address will not be published. Required fields are marked *

Time limit is exhausted. Please reload CAPTCHA.

Share on Facebook Share
Share on Twitter Tweet
Share on Google Plus Share
Share on Linkedin Share
Share on Digg Share
Share on Reddit Share
Share on Stumbleupon Share