Remove Crypter-2016 Ransomware and Restore .crypter Files - How to, Technology and PC Security Forum |

Remove Crypter-2016 Ransomware and Restore .crypter Files

pc-issues-stforumA Brazilian version of CryptoLocker, this particular ransomware acts as a screen locker and displays a scary message asking victims of the ransomware to pay a hefty ransom of 5 BTC to get access to their computer back. The ransomware virus, fortunately, is decryptable, and you won’t have to pay an insane amount to get access back to your computer. Anyone who has been infected by this variant of Crypter-2016 is advised to read the following article and learn methods to remove this ransomware and get access back to your computer.

Threat Summary



Short DescriptionThe malware encrypts users files using a strong encryption algorithm, making direct decryption possible only via a unique decryption key available to the cyber-criminals.
SymptomsThe user may witness ransom note displayed in Brazilian language and a screenlocker. Changed file names and the file-extension .crypter has been used.
Distribution MethodVia an Exploit kit, Dll file attack, malicious JavaScript or a drive-by download of the malware itself in an obfuscated manner.
Detection Tool See If Your System Has Been Affected by Crypter-2016


Malware Removal Tool

User ExperienceJoin our forum to Discuss Crypter-2016.
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.

How Did I Get Infected with Crypter-2016

To spread the malware, the hackers behind Crypter-2016 have primarily focused on using a combination of tools to spam it and to cause an infection via spammed mail attachments as well as malicious web links that can cause infection with the virus.

Such may be spread via spammed e-mails that can cause the infection via pretending to be legitimate e-mails from a bank or a service, like PayPal for example. Some e-mails may contain malicious web links disguised as legitimate buttons, like the fake LinkedIn button in the phishing e-mail below:


More About Crypter-2016 Ransomware

As soon as Crypter-2016 has caused an infection, the ransomware virus may begin to drop several types of files in the key Windows folders without the user noticing of it. The files may contain different names and may be dropped in the following Windows folders:

commonly used file names and folders

After the malicious files by this Brazillian Cryptolocker variant, the malware begins to modify the registry entries. It may affect a wide variety of registry entries to rename the files and display its lock screen. Amongst the affected registry entries may be the following:

→ HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce

After having modified the entries, Crypter-2016 may commence a procedure that does not encrypt the user files, but instead only changes their file extension enough to render them no longer able to be opened. The files look like this:


After the file extension has been added, the Crypter ransomware also displays a distinctive screen locker message which can simply be removed by pressing Alt+F4. The screen locker looks like the following:


If you click on the tab “Chave para desbloquero” you will see a ransom message that gives fields on which information can be filled in to unlock the computer. Malware researcher Jiri Kropac (@jiriatvirlab) has tweeted that this may be fixed by typing the following on this tab:


How To Remove Brazillian Crypter Ransomware and Restore The Files

If you want to unlock your screen, simply press Alt+F4 or type do not and want as described in the image below. If this situation is not successful for you, advice is to simply remove the .crypter file extension from the encrypted files and save them as their original file formats, to make them openable again. But first, it is advisable to remove Crypter-2016 using an advanced anti-ransomware software which will help you take care of the threat automatically. More information on the safe removal of Crypter-2016 can be found in the removal instructions below. We advise you to choose either Manual or Automatic removal options, depending on how much experience you have with removing ransomware. Also, make sure to backup your files before attempting removal yourself.


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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