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Danger level 7
Type: Trojans
Common infection symptoms:
  • Slow Computer
  • Annoying Pop-up's
  • System crashes
  • Normal system programs crash immediatelly
  • Connects to the internet without permission
  • Installs itself without permissions
  • Can't be uninstalled via Control Panel

Sigrun Ransomware

If you ever discover an application that goes by the name of Sigrun Ransomware up and running on your operating system, it is critical to take immediate action to remove it once and for all. Doing so is imperative because this intrusive application exhibits incredibly malicious inner workings. If you are not familiar with ransomware programs, you must know that it is designed to encrypt vast quantities of data in a matter of minutes. As you can imagine, having a program of this classification could have disastrous outcomes, to put it lightly. To have a better understanding of how this malicious application functions, be sure to read the rest of this report. Besides such information, we also include a few virtual security tips that you should take to improve your overall virtual security. To help you delete Sigrun Ransomware in just a few simple steps, we also include a detailed removal guide, which you can find below.

During the initial analysis, Sigrun Ransomware is closely related to another application of this classification, which goes by the name of GandCrab Ransomware. The main similarities between the two lie in their inner workings. Once the malware in question gains access to your operating system, it starts doing its dirty work immediately. First, it scans your hard drive for its contents. Right after that, it starts the encryption procedure, which is silent. Due to such inner working, very few users, if any at all, can detect and delete this malicious application before it starts doing its dirty work. It is essential to note that the encryption procedure is over in just a few moments. Upon further analysis, our researchers have noticed that this ransomware primarily targets files located in %WINDIR%, %PROGRAMFILES%, %PROGRAMFILES(x86)%, and %ALLUSERSPROFILE% folders. Because of that, quite a few of your applications will cease to function. Each affected file will be appended with a .sigrun extension. Right after the encryption, you will notice a ransom note, which informs you that your data is locked using a powerful cipher. Also, you are asked to pay a ransom in return for decryption services. While that might seem like a way to solve your problems, you must know that cyber crooks, responsible for this malware, are not legally bound to unlock your data even if you abide by their demands. Your best bet to regain access to your files is by using your shadow copies or backups of your hard drive. Make no mistake and use the instructions below to remove Sigrun Ransomware once and for all.

If you consider yourself to be a security-conscious user, who wants to have a safe and clean operating system at all times, you must take a few simple steps. First, our researchers highly advise you to practice safe browsing habits at all times. Make sure to refrain from all unauthorized download sites because they are infamous for being the primary source of software bundles. Such setup files are infamous for being filed with suspicious and even malicious applications. Also, you should stay away from all emails and email attachments that come your way from suspicious third-parties because that might prove to be a part of a spam email campaign launched by cyber crooks for distribution purposes. Furthermore, you must be aware of hoax marketing tactics used by malware developers to lure unsuspecting Internet users into downloading their devious applications without knowing how it works. Thus, we highly advise you to find out as much as possible about any application that you want to have up and running on your operating system beforehand. Last, but not least, be sure to install a reliable antimalware tool if you do not have one already. Such a tool is crucial because it is designed to identify and remove any virtual security treat automatically.

To remove Sigrun Ransomware make use of the instructions that we present below. Under no circumstances delay the termination procedure since keeping this malicious application up and running on your computer could lead to further virtual security threats. Also, you should know that traces of Sigrun Ransomware could act deviously. Just a few of its active leftovers might be enough for it to continue doing its dirty work. In other situations, those traces could be used to restore Sigrun Ransomware without your knowledge. If you want to be sure that the termination procedure has been successful, make sure to double-check your entire operating system for anything associated with Sigrun Ransomware once you are done with the removal guide below. Alternatively, you can scan your PC with a reliable antimalware tool since it can identify and remove anything associated with this ransomware automatically.

How to remove Sigrun Ransomware from your PC

  1. Open your File Explorer.
  2. Navigate to C:\Users\[your username]\Downloads.
  3. Right-click a malicious .exe file and then tap Delete on your keyboard.
  4. Close your File Explorer.
  5. Right-click your Recycle Bin and select Empty Recycle Bin.
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