What is SkyStars ransomware? And how does it implement its attack?

SkyStars Ransomware

SkyStars ransomware is a new file-encrypting virus discovered as of late. It is designed to leave files corrupted and inaccessible to victims by locking them and then demands ransom from its victims. It adds a “.SKYSTARS” extension in every file it encrypts. Based on the analysis done by security experts, it appears that SkyStars ransomware is a new variant of the BlackMoon banking Trojan.

The instant it infects a computer, SkyStars ransomware will drop a Trojan executable file which is used to initiate the attack. This dangerous file is then used to perform a series of tasks in the system which allows the crypto-malware to stay invisible from any antivirus programs. Aside from that, they also make some modifications in some registry entries so that SkyStars ransomware can run every time a victim starts the computer, the crypto-malware can run automatically. It then begins to look for the files with the following extensions:


Once the aforementioned files are found, SkyStars ransomware will begin the encryption by employing the AES encryption algorithm. After the encryption is completed, it appends the .SkyStars extension on every affected file. It also drops a file named “SKYSTARSRANSOMWARE.txt” which reads:


As you can see, there are no further details provided in the ransom note of SkyStars ransomware except for the email address you have to contact in order to decrypt your files. However, reaching out to the crooks behind this crypto-virus is definitely not recommended as crooks tend to demand a huge ransom. And besides, even if you pay the ransom, there really is no guarantee that these crooks will give you the encryption key or the decrypter used for file recovery.

How is the payload file of SkyStars Ransomware distributed online?

The payload file of SkyStars ransomware may be disseminated using various methods but it could mostly spread via malicious spam email campaigns. Typically, cybercriminals will attach an infected file in emails. This malicious file may be a PDF file, ZIP file, or a document with macro scripts used to run SkyStars ransomware in the system. This is why before you download and open any attachment, you must double-check the email first to verify if it’s safe to open.

You can wipe out SkyStars ransomware from your computer by following the removal steps provided below and the advanced steps that follow.

Step_1: First, you have to stop the malicious process of SkyStars ransomware by opening the Task Manager. To do that, simply tap Ctrl + Shift + Esc keys on your keyboard.

Step_2: Under the Task Manager, switch to the Processes tab and find the suspicious-looking process that takes up most of your CPU’s resources and is most likely related to SkyStars ransomware.

Step_3: After that, close the Task Manager.

Step_4: Tap Win + R, type in appwiz.cpl and click OK or tap Enter to open Programs and Features under Control Panel.

Step_5: Under the list of installed programs, look for SkyStars ransomware or anything similar and then uninstall it.

Step_6: Next, close the Control Panel and tap Win + E keys to launch File Explorer.

Step_7: Navigate to the following locations below and look for SkyStars ransomware’s malicious components such as SKYSTARSRANSOMWARE.txt, [random].exe and other suspicious files, then delete all of them.

  • %TEMP%
  • %WINDIR%\System32\Tasks
  • %APPDATA%\Microsoft\Windows\Templates\
  • %USERPROFILE%\Downloads
  • %USERPROFILE%\Desktop

Step_8: Close the File Explorer.

Before you proceed to the next steps below, make sure that you are tech-savvy enough to the point where you know exactly how to use and navigate your computer’s Registry. Keep in mind that any changes you make will highly impact your computer. To save you trouble and time, you can just use Restoro, this system tool is proven to be safe and excellent enough that hackers won’t be able to hack into it. But if you can manage Windows Registry well, then by all means go on to the next steps.

Step_9: Tap Win + R to open Run and then type in Regedit in the field and tap enter to pull up Windows Registry.

Step_10: Navigate to the following path:

  • HKEY_CURRENT_USER\Control Panel\Desktop\
  • HKEY_USERS\.DEFAULT\Control Panel\Desktop\
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce

Step_11: Delete the registry keys and sub-keys created by SkyStars ransomware.

Step_12: Close the Registry Editor and empty the Recycle Bin.

Try to recover your encrypted files using the Shadow Volume copies

Restoring your encrypted files using Windows Previous Versions feature will only be effective if SkyStars ransomware hasn’t deleted the shadow copies of your files. But still, this is one of the best and free methods there is, so it’s definitely worth a shot.

To restore the encrypted file, right-click on it and select Properties, a new window will pop up, then proceed to Previous Versions. It will load the file’s previous version before it was modified. After it loads, select any of the previous versions displayed on the list like the one in the illustration below. And then click the Restore button.

Congratulations, you have just removed SkyStars Ransomware in Windows 10 all by yourself. If you would like to read more helpful articles and tips about various software and hardware visit daily.

Now that’s how you remove SkyStars Ransomware in Windows 10 on a computer. On the other hand, if your computer is going through some system-related issues that have to get fixed, there is a one-click solution known as Restoro you could check out to resolve them.

This program is a useful tool that could repair corrupted registries and optimize your PC’s overall performance. Aside from that, it also cleans out your computer for any junk or corrupted files that help you eliminate any unwanted files from your system. This is basically a solution that’s within your grasp with just a click. It’s easy to use as it is user-friendly. For a complete set of instructions in downloading and using it, refer to the steps below

Perform a full system scan using Restoro. To do so, follow the instructions below.

  1. Download and install Restoro from the official site.
  2. Once the installation process is completed, run Restoro to perform a full system scan.
    restoro laptop1
  3. After the scan is completed click the “Start Repair” button.
    restoro laptop2
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