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Danger level 7
Type: Trojans
Common infection symptoms:
  • Slow Computer
  • System crashes
  • Connects to the internet without permission
  • Installs itself without permissions
  • Can't be uninstalled via Control Panel

Cobra Ransomware

Corrupted spam email attachments and unsecure RDP configurations can help the creator of Cobra Ransomware to drop it onto your computer without you suspecting a threat. This infection has been found to be a new version of the malicious Crysis Ransomware; however, since this well-known threat is far more sophisticated, it is highly unlikely that the same people stand behind both of them. All in all, both are dangerous, and both require elimination. The guide you can see below shows how to remove Cobra Ransomware from the Windows operating system manually, and you can learn more about the predecessor in a different report. While you might be tempted to delete the malicious file-encryptor right away, it is advised that you read the report to learn more about it first. This report discusses everything from the execution of the infection to the demands that cyber criminals have for their victims. If you have questions that are not answered in this report, use the comments section below to start a conversation.

When the devious Cobra Ransomware slithers in, it immediately deletes shadow volume copies so that recovering files would be impossible. Then, it encrypts files and attaches a unique extension to all of their names, .id-.[].cobra. As you can guess, this is where the name of the threat comes from. Unfortunately, once the files are encrypted, there is nothing you can do to decrypt them. The only thing that can help you is a decryption/private key, and there is no way for you to get it. Of course, the creator of Cobra Ransomware wants you to believe that there is something you can do about all of this. And we are sure that you want to do something about the encrypted files because the malicious threat can encrypt all kinds of files, and if they are not backed up, you might have to say goodbye to highly valuable personal files. On top of that, the infection is capable of encrypting software files as well, and that can prevent you from using your PC in a normal manner.

There are two different ransom note files that Cobra Ransomware creates. The first one is created on the Desktop, and it is called “encrypted!!.txt”. This file informs that you can decrypt your files only by contacting The second ransom file is called “info.hta”, and you should find it in the startup location. The message represented within this file is far more extensive, and there is more information about the whole situation. The message mentions the same email address, and it also, for the first time, informs that a price will need to be paid for a “decryption key.” The message also provides you with information on how to purchase Bitcoins, which is the currency that the ransom must be paid in. Opening the ransom files is not dangerous because they are not malicious, but paying attention to the information presented via them can be dangerous. It is not recommended that you communicate with the creator of Cobra Ransomware or pay the ransom because a decryption tool would not be offered for you in return. So, instead, focus on removing this malware.

According to our research, the malicious Cobra Ransomware might create one or two copies of itself in the startup location. These files must be deleted along with the original file. Then, you need to erase the ransom note files, and the malicious ransomware will be gone for good. Of course, everything is easier said than done, and identifying malicious components can be tricky. That is nothing to worry about because manual removal is not obligatory. In fact, we recommend installing anti-malware software instead because it can guarantee the elimination of all existing threats, not just the ransomware. Furthermore, it can help you keep your operating system safe in the future. When it comes to your files, the chances are they are lost permanently. Of course, if they are backed up, you do not need to worry about the corrupted copies because you have backups. If you end up losing your files, make sure you start backing new files in the future because that is the surest way to keep them safe.

Cobra Ransomware Removal

  1. Right-click and Delete the {unknown launcher name}.exe file.
  2. Launch Windows Explorer by tapping Win+E keys.
  3. Enter these paths into the bar at the top one by one to find and Delete copies of the {unknown launcher name}.exe file, as well as the info.hta file:
    • %ALLUSERSPROFILE%\Application Data\Microsoft\Windows\Start Menu\Programs
    • %ALLUSERSPROFILE%\Microsoft\Windows\Start Menu\Programs
    • %ALLUSERSPROFILE%\Start Menu\Programs
    • %APPDATA%\Microsoft\Windows\Start Menu\Programs
    • %USERPROFILE%\Microsoft\Windows\Start Menu\Programs
  4. Move to the Desktop and then Delete the ransom note file named Files encrypted!!.txt.
  5. Empty Recycle Bin and then perform a full system scan.
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