Karmen Ransomware

Karmen Ransomware Description

The Karmen Ransomware is a ransomware Trojan that is part of a RaaS (Ransomware as a Service) campaign. The Karmen Ransomware administrates its Command and Control servers, payment, and various other aspects of the attack. However, con artists may take charge of distributing the Karmen Ransomware through their networks by hiring the ransomware creators instead of creating the ransomware Trojans themselves. Typically, ransomware Trojans like the Karmen Ransomware are distributed through corrupted spam email attachments and various known tactics, such as bogus software distributed on Torrent networks or hacking into poorly protected computers directly.

Hidden Tear and Its Offsprings

The Karmen Ransomware was first observed on March 2017 being used in attacks against computer users in English and German speaking regions. This, however, does not mean that computer users in other parts of the world are immune to the Karmen Ransomware or this threat may not manage to find its way into computers in other parts of the world. The Karmen Ransomware and its associated RaaS is based on the HiddenTear project. This was an open source ransomware engine published for 'educational purposes' and which has spawned countless ransomware attacks around the world. Even though HiddenTear was removed from the open Web shortly after the first attacks involving its code started to appear, HiddenTear still forms a large percentage of ransomware Trojan attacks and is freely available on the Dark Web. The Karmen Ransomware RaaS providers take a cut of 20% from all attacks, while distributors receive the other 80% of the profits. Con artists hiring the Karmen Ransomware RaaS are provided with a Web panel to monitor the attacks and receive support from the Karmen Ransomware's developers.

How the Karmen Ransomware may Force Computer Users Pay a Ransom

The Karmen Ransomware runs in an executable file named 'joise.exe' that is disguised as a program named 'Helper' with the description 'Microsoft Helper' (of course, the Karmen Ransomware does not help in any way, nor is it related to Microsoft!). When the Karmen Ransomware infection is installed, it scans all drives on the infected computer and creates a list of the files to be encrypted during the attack. The Karmen Ransomware encrypts numerous file types, including images, videos, and documents of various types. The files that have been encrypted in the Karmen Ransomware attack are easy to recognize because the Karmen Ransomware will change their names. The Karmen Ransomware adds the extension '.grt' to each affected file's name. Once the Karmen Ransomware has encrypted a file, it will no longer be accessible, and no application on the victim's computer should be able to open the affected file correctly. The Karmen Ransomware displays an application window with the name 'Karmen Decrypter,' which includes a ransom note written both in English and German. The contents of the Karmen Ransomware ransom note read as follow:

'Files encrypted
All files are encrypted! Please follow the mind. In order to get the key to decrypt send this amount to our wallet Bitcoin.
Decrypt files automatically.
Interference with the program - can leave you without files.'

Updates and Improvements of the Karmen Ransomware

The version of the Karmen Ransomware analyzed in this report is version 2.4, which demands the payment of a ransom of 0.20150565 Bitcoin, or $246 USD at the current exchange rate. PC security researchers strongly advise computer users to avoid paying the Karmen Ransomware ransom. It is entirely possible that new versions of the Karmen Ransomware will continue to appear. This is especially true regarding RaaS ransomware since each new user of the Karmen Ransomware infection may modify it to suit their needs. It is necessary to take preventive measures to ensure that your data is protected from the Karmen Ransomware. This includes creating backup copies of all files and installing a reliable security program that is fully up-to-date to intercept threats like the Karmen Ransomware before it carries out its attack.

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Security Doesn't Let You Download SpyHunter or Access the Internet?


Solutions: Your computer may have malware hiding in memory that prevents any program, including SpyHunter, from executing on your computer. Follow to download SpyHunter and gain access to the Internet:
  • Use an alternative browser. Malware may disable your browser. If you're using IE, for example, and having problems downloading SpyHunter, you should open Firefox, Chrome or Safari browser instead.
  • Use a removable media. Download SpyHunter on another clean computer, burn it to a USB flash drive, DVD/CD, or any preferred removable media, then install it on your infected computer and run SpyHunter's malware scanner.
  • Start Windows in Safe Mode. If you can not access your Window's desktop, reboot your computer in "Safe Mode with Networking" and install SpyHunter in Safe Mode.
  • IE Users: Disable proxy server for Internet Explorer to browse the web with Internet Explorer or update your anti-spyware program. Malware modifies your Windows settings to use a proxy server to prevent you from browsing the web with IE.

If you still can't install SpyHunter? View other possible causes of installation issues.

Technical Information

Infection Statistics


Our MalwareTracker shows malware activity across the world. Explore real-time data of Karmen Ransomware outbreaks and other threats from global to local level.

Registry Details

Karmen Ransomware creates the following registry entry or registry entries:
HKEY..\..\..\..{RegistryKeys}
Software\Microsoft\Windows\CurrentVersion\Run, value: DecryptFiles
Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Run, value: DecryptFiles

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