Click on screenshot to zoom
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

Juwon Ransomware

Juwon Ransomware, also known as Jw Ransomware, is a threat that could become a big problem for Windows users. At the time of research, this malware was neither spreading nor encrypting files as expected, and that leads us to believe that its developer is still perfecting it. Of course, it is always possible that this threat could just vanish due to its ineffectiveness, but it is also possible that it could strike at full force. Due to this possibility, we need to look at this ransomware as a serious threat. Hopefully, no one faces it, but if you read this report, you will be prepared for the potential attack. It goes without saying that protected systems are the ones that can stand strong against this malware. So, if you think that you could do more to strengthen your Windows security, you should not postpone it. You also want to think about your personal files. Even if anti-malware software is set in place, you need a second layer of protection. We discuss that, along with the removal of Juwon Ransomware, in this report.

There is not much information about the distribution of Juwon Ransomware, but we have analyzed enough file-encryptors to know that most of them use spam email attachments, downloaders, remote-access vulnerabilities, and other malicious infections to spread. Reliable anti-malware software can help you defend your operating system against ransomware, but if you are not going to install it any time, at least make sure to be careful about how you download files, as well as what kind of content you interact with. If you are not careful, Juwon Ransomware might slither in without any warning. Once the threat invades, it should begin encrypting files almost immediately. It is not clear, at this point, which kinds of files this malware might encrypt, or if it has specific targets (e.g., one specific location or drive), and it is also unknown if unique extensions could be added to the corrupted files to mark them. In any case, if files are encrypted, it is unlikely that decrypting them would be possible. They would remain encrypted even if you deleted the malicious ransomware.

Although Juwon Ransomware is likely to encrypt files permanently, the creator of this malware might still ask a ransom in return for an alleged “decryptor.” This should be done via the “jw ransomware” window launched after encryption. The message in this window claims that files can be recovered only if the victim has a “password” and a “decryptor.” Also, it is stated that “failure to enter the password within 24 hours” would destroy the computer. This is a complete nonsense. The sample we tested listed a non-existent bitcoin wallet address (12t9YDPgwueZ9NyMgw519p7AA8lsjr65Mw), but that could be rectified very easily. It is also unclear what the ransom is. It might seem that the ransom is 10 Bitcoin if you look at this statement: “Purchase Bitcoin 10 and send it to this address.” However, that would make no sense because 10 Bitcoin is around 34,000 USD (the sum could be slightly different at the time you are reading). The ransom note also lists as the email to contact. We do not recommend contacting cyber criminals or paying the ransom. We recommend deleting Juwon Ransomware.

We have already discussed the importance of anti-malware software for the protection of your operating system. This software also can help with the removal of threats that exist on your operating system. If it attacks, the right security software should also be able to delete Juwon Ransomware. Unfortunately, even if the threat is removed successfully – regardless of the method you use – your files will not be recovered. At this point, there is no software that could help you either. That being said, if you have backups, your files are perfectly safe, and once you remove the corrupted copies, you can relocate files from backup to your computer at any point. If backups were not set up before the invasion of malware, let this be a lesson that you need to be more careful about your and your files’ security.

Juwon Ransomware Removal

  1. Launch Task Manager (tap Ctrl+Alt+Delete and click Start Task Manager).
  2. Move to the Processes.
  3. Look for malicious processes, right-click and select Open file location.
  4. Terminate processes and Delete malicious files.
  5. Delete all recently downloaded suspicious files.
  6. Empty Recycle Bin.
  7. Perform a full system scan to check for malware leftovers.
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