The Winarcher Pup

What is The Winarcher Pup?

The Winarcher Pup, as its name clearly shows, is a potentially unwanted program (PUP) that can remain unnoticed on your computer as it has no real function that could be even remotely useful for you. As a matter of fact, our malware researchers at say that this PUP is completely useless but, at the same time, it might put your virtual security at risk. It is never safe to keep a questionable file or application on your system when you do not even know what its main goal or function is. Since this Windows service file may spy on you and send information to remote servers, we believe that you should not let it operate on your system. We recommend that you remove The Winarcher Pup along with all potential threat sources you may find on your computer. Remember that you cannot be secure while using a PC that gives home to even one single potentially harmful program. Please read our full report to find out more about this PUP and how it is possible to defend your system from similar threats or worse.

Where does The Winarcher Pup come from?

Our malware researchers have discovered that this PUP can be found on your system after you infect it with ELEX family browser hijackers, including and, or certain adware applications as well. In any case, the most likely scenario for your infection is that you have installed a questionable freeware bundle lately that contained a number of malware threats as well as this PUP. This can happen in a couple of ways. Let us say that you want to install a new free application and you run a web search because you do not know where to get it from or you may even know a questionable file-sharing site. In both cases there is a chance that you end up on a risky freeware or torrent site that you may be unfamiliar with.

There are two main issues with using questionable file-sharing sites for downloading programs. First, you usually download an installer that can be packed with a number of malware threats and PUPs on top of a possibly working free program. This means that while you may think that you are installing a stand-alone file if you do not read the download agreement or the installation wizard properly, you are actually letting a whole bunch of threats onto your system. Another issue is that these pages as well as online gaming, gambling, and some other ones host questionable third-party ads that can easily drop malicious bundles onto your system or take you to other malicious websites where you could be scammed to download one. In any case, if you are infected with this PUP, the best thing for you to do is to use a reliable online malware scanner to detect all potentially harmful programs; unless you want to install a proper security tool. But before you set out to do so, we have already identified one potential threat source for you; therefore, we advise you to delete The Winarcher Pup as your first step towards a clean system.

How does The Winarcher Pup work?

This potentially unwanted program is indeed a Windows .dll file called Archer.dll. We have no information yet about what this file really does or what the main purpose behind it could be. What we have noticed is that it tries to gather data, for example about you, your computer, and your browsing habits, and transfer this package to a remote server that could be an adware server. This might mean that you will see tailored content with relevant-looking third-party pop-up and banner ads while surfing the net. Unfortunately, cyber crooks can take advantage of such programs and display their own corrupt ads and links that may seem to be legitimate third-party content. However, if you click on one, you may be taken to fake websites and tricked into sharing your personal as well as your banking details. Now, this could mean losing money from your bank accounts in the worst case. But even if this PUP “simply” spies on you and transmits personal information about you without your knowledge, behind your back, we believe that a security-minded user should not tolerate this. Thus, we suggest that you remove The Winarcher Pup from your system before you cause more serious system security-related issues.

How do I delete The Winarcher Pup?

Finally, let us talk about solutions. While it is true that this PUP is not a major hit that could seriously damage your computer and your files, we still think that it is important that you only keep applications and files on your system that actually have a function that is useful for you or the system and that are reliable at the same time. If you are ready to act, you need to delete all related registry entries as well as folders on your system. Please use our instructions below if you need assistance with this. Also, remember that there could be more serious security issues in the form of malware infections. Therefore, you need to identify and erase all of these ASAP. You can choose to do this manually but you should also know that you can choose automated methods, too. For example, you may want to try SpyHunter, a powerful anti-malware program that can automatically take care of all your system security-related problems and protect your PC from further attacks.

Remove The Winarcher Pup from Windows

  1. Tap Win+R and enter regedit. Press the OK button.
  2. Delete the following registry keys:
    HKLM\SOFTWARE\Wow6432Node\WinArcher (64-bit)
  3. Close your Registry editor.
  4. Tap Win+E.
  5. Bin the following folders:
    %PROGRAMFILES(x86)%\WinArcher (64-bit)
  6. Empty your Recycle Bin.
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