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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

Andrzej Dupa Ransomware

Researchers have discovered a new ransomware infection Andrzej Dupa Ransomware that, according to them, might be a Polish version of BansomQare Manna Ransomware. It is still too early to say whether this infection will become prevalent, but you definitely cannot keep your system unprotected if you do not want this threat to enter it illegally. Believe us, this malicious application is a nasty threat that causes the loss of personal files. No, it does not delete them permanently, but it locks pictures, documents, videos, movies, music, and many other files using an encryption algorithm that is extremely difficult, or even impossible, to crack, so it is basically the same as the permanent deletion of files because you could not access them even though they will not disappear from your PC. Of course, you can transfer money to cyber criminals to get the decryption tool that can unlock files, but no researchers recommend doing this. Yes, some victims receive the decryptor and can unlock their files, but it is common for cyber criminals to take users’ money but do not give the promised tool. Do not become of those users who lose both files and money. Instead of focusing on the payment the author of the ransomware infection demands, remove malware completely. It does not mean that your files will stay encrypted forever if you do not purchase the decryptor. You should be able to find a free decryptor that can unlock files encrypted by Andrzej Dupa Ransomware on the web. Also, all these affected files can be copied to the computer from a backup after the ransomware removal.

Researchers at have thoroughly analyzed Andrzej Dupa Ransomware, and they have managed to get some information about this malicious application. First, it seems that this infection also marks files when it encrypts them. It should add the .ZaszyfrowanePliki extension to all of them, so if you can see this extension appended to those files you are not allowed to access, you can be sure that this threat is the one that has slithered onto your computer. Apart from encrypting users’ personal files, this infection also drops a ransom note with the same name as the extension it appends – ZaszyfrowanePliki.txt. It seems that there are two versions of this ransom note, but both of them carry the same message – users’ files are encrypted and nobody can unlock them without the decryption service. Both ransom notes contain an email users can write to:, but only one of them has an exact decryption price indicated. Cyber criminals behind this infection want $100 in Bitcoin from users. Even if you have found your files encrypted, you should not transfer money to cyber criminals. As mentioned, there are no guarantees that you will get a special tool to decrypt your data with. Also, it seems that free decryptors that can unlock data affected by Andrzej Dupa Ransomware are available.

Andrzej Dupa Ransomware is not prevalent, and it is still unclear whether it will become one of the popular malicious applications. Of course, it does not mean that you are safe and can keep your system unprotected. Our researchers have analyzed hundreds of ransomware infections, and they can now say with confidence that they are all distributed similarly. They say that there is a huge possibility to find files encrypted after opening an attachment from a suspicious or a spam email. Also, these threats are often uploaded to file-sharing websites, so do not download software from random websites despite the fact that it looks harmless. Frankly speaking, it is not an easy job to prevent malicious software from entering the system, so you should install a security application on your computer as well. It will protect you from malware 24/7.

The sooner you remove Andrzej Dupa Ransomware from your computer, the better. You will not unlock your files by simply erasing this threat, but it could not encrypt your other files if you remove it today. You do not need to know much about malware removal to erase it yourself manually. You just need to follow our step-by-step manual removal guide provided below. You will just need to delete suspicious recently downloaded files and remove the ransomware entry from the Run registry key, if it is there. Alternatively, if it is too hard for you to remove malware manually, you can use an antimalware scanner. You will clean the system with it in the blink of an eye.

Remove Andrzej Dupa Ransomware

  1. Press Win+E to access Explorer.
  2. Check the Downloads folder.
  3. Remove suspicious files you have downloaded from the web recently.
  4. Tap Win+R.
  5. Type regedit and tap Enter.
  6. Move to HKCU\Software\Microsoft\Windows\CurrentVersion\Run.
  7. If you can locate any suspicious entries, delete them all.
  8. Remove ZaszyfrowanePliki.txt from affected directories.
  9. Empty Trash.
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