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Danger level 7
Type: Trojans
Common infection symptoms:
  • Can't be uninstalled via Control Panel
  • Installs itself without permissions
  • Connects to the internet without permission


As you can tell by the malware’s title, Trojan.Adject is classified as a Trojan. Usually, programs that fall under this classification are considered to be harmful, which is why it might sound extraordinary the researchers do not know yet what this infection does. To be more precise, it was determined the program has malicious qualities and features that could allow it to show users harmful pop-ups, banners, or other advertisements alike, but it has not been confirmed yet. One way or the other we are almost one hundred percent sure Trojan.Adject could put the system at risk if the user allows it to stay. Thus, instead of taking any chances, it seems to us the best course of action would be to eliminate this infection before anything terrible happens. Naturally, it may not be easy to spot it on the system, but if you continue reading our report, you should learn how to identify it. Also, at the end of this text, we will place instructions showing how to get rid of it step by step, so if you need any help feel free to use them.

Researchers do not know a lot about Trojan.Adject distribution. However, it is believed the malicious program might be distributed with bundled software installers available on suspicious P2P file-sharing networks and other sites containing pirated software, freeware from unknown developers, etc. For example, we came across it after installing a doubtful program named Lightning. This proves how it is essential to learn more about the applications you want to install before doing so and most importantly that you should always download installers from legitimate websites if you wish to avoid setup files bundled with malware or other threats. If you do not think such extra precautions are enough you can also strengthen the system with a reliable antimalware tool. Just do not forget it should be always active and up to date or else it might not be able to stop newest malicious programs.

What happens if Trojan.Adject gets installed? First of all the user should locate a file called prilock.sys in %WINDIR%\System32\drivers. What’s more, to make the computer launch this file or in other words relaunch the Trojan after each restart; the infection may create a couple of Registry entries called prilock. Our specialists say there should be three separate Registry entries in three different locations. Afterward, it is known the malware might connect to the Internet on its own as it does not appear to need permission from the user. You will not see any windows either as the malicious program should work secretly in the background. Just like we said at the beginning of this article, Trojan.Adject could show various pop-up or other advertisements. Given it would be done by a Trojan, we would not be surprised if the provided ads may lead to scam web pages or sites containing malware. Therefore, clicking such content could be extremely risky both to your computer’s and your privacy’s safety. It is crucial to explain we do not know if the infection will act this way, but knowing it might sneak in without asking, we do not think it is smart to wait till something goes wrong.

The good news is, there are a couple of methods to eliminate Trojan.Adject. For starters, users who feel up to the task could slide a bit below this article and check the provided instructions. By completing its steps, you should be able to delete the threat manually. The other method we could suggest is removing it with an antimalware tool. Make sure you choose a reliable tool, set it to scan the system and wait for the results to show up. Then it would be advisable to review the identified malware as there might be more malicious programs besides Trojan.Adject. The best part is, later, users could remove all detected threats with a single mouse click.

Get rid of Trojan.Adject

  1. Tap Win+E.
  2. Find this path: %WINDIR%\System32\drivers
  3. Locate a file titled prilock.sys.
  4. Right-click the mentioned file and choose Delete.
  5. Exit File Explorer.
  6. Click Win+R, insert regedit and press Enter.
  7. Find the provided locations one by one:
  8. Locate keys titled prilock.
  9. Right-click such keys separately and select Delete.
  10. Leave Registry Editor.
  11. Empty your Recycle bin.
  12. Reboot the PC.
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