PUADlManager:Win32/InstallCore is a detection for potentially unwanted programs (PUP) that are characterized by fake anti-virus software, bogus optimization tools, or any deceitful utility application. Normally, PUADlManager:Win32/InstallCore enters the computer through malicious software installers, especially freeware that is offered on suspicious sites, cracked software websites, and torrent portals.

Image of PUADlManager:Win32/InstallCore

How does it infect the computer?

PUADlManager:Win32/InstallCore normally enters the computer as a threat dropped by another piece of malware, like Trojan Dropper or Trojan Downloader. In other infection cases, a web user’s visit to a malicious site gave way for PUADlManager:Win32/InstallCore to enter the system using a drive-by-download technique. This is an infection method where the website has active scripts that exploit internet program vulnerabilities and use them to execute for the discreet download and installation of PUADlManager:Win32/InstallCore.

The moment a virus is active on the computer, it will flood the screen with various alerts and warnings. It informs the user about several identified issues, like virus infection, registry errors, corrupted driver files, redundant files, and so on. Bear in mind that the program that identifies these issues is detected as PUADlManager:Win32/InstallCore. Therefore, it is a rogue type of software pretending to be a valid anti-virus or optimization tool.

How does this malware operate?

PUADlManager:Win32/InstallCore is deemed a software bundler—a tool or program that combines multiple software applications or packages into a single installer. Its purpose is to streamline the installation process for users by offering a unified setup for various applications. However, users should exercise caution, as software bundlers often include additional programs or tools, sometimes unrelated to the user’s original intent, leading to potentially unwanted programs being installed without explicit consent. Software bundlers are frequently used to distribute freeware or shareware, and users should carefully review the installation process to avoid unintentional downloads of unwanted software. In some cases, software bundlers may compromise the user’s online privacy and security by introducing hidden or undesirable components.

On the other hand, PUADlManager:Win32/InstallCore detection is applied to a counterfeit program that intends to swindle money from computer users by forcing them to avail themselves of the full version. In order to achieve this, the suspicious program will issue alerts and warnings containing false detections of computer troubles and virus infections. On each Windows boot-up, the PUADlManager:Win32/InstallCore program runs a simulated scan and then misleads the computer user with false findings. Then, it recommends an immediate fix that, when accessed, will open up a payment processor window that prompts for the user’s banking details.


A potentially unwanted program (PUP) may exhibit symptoms such as unauthorized changes to computer or browser settings without user consent. Users may experience an influx of intrusive elements, including adware, toolbars, and browser redirects. Unexplained anomalies during internet browsing, such as pop-ups and unfamiliar search engines, can indicate a PUP presence. Additionally, compromised online privacy and security, with the program monitoring and capturing sensitive information, are common symptoms of a potentially unwanted program.

PUADlManager:Win32/InstallCore is also detected as:
Avast FileRepPup [Bundl]
Avira PUA/InstallCore.Gen7
DrWeb Trojan.MulDrop5.10078
F-Secure Application:W32/InstallCore
Kaspersky Not-a-virus:HEUR:AdWare.Win32.Generic
Malwarebytes PUP.Optional.InstallCore
McAfee Artemis!47BFAF37E413
Panda PUP/Multitoolbar
Sophos Generic Reputation PUA
VBA32 Adware.DealPly

For more help

PUADlManager:Win32/InstallCore comes under the category of unwanted applications. To investigate other risks pertaining to this category, refer to the PUA list of malware.

How to remove PUADlManager:Win32/InstallCore?

To totally remove PUADlManager:Win32/InstallCore from the computer and get rid of relevant viruses and trojans, please execute the procedures as stated on this page. Make sure that you have completely scanned the system with the suggested malware removal tools and virus scanners.

Quick Fix - Scan the PC with Combo Cleaner for Windows

Combo Cleaner is a trusted PC security and optimization tool equipped with a powerful virus and malware detection engine. This program can get rid of hazardous viruses like PUADlManager:Win32/InstallCore through this procedure.

1. Download the application from the following page:

2. Save the file to your preferred location.

3. Double-click the downloaded file CCSetup.exe and install with the default settings.

CC for Windows Installation

4. At the end of the setup process, click Finish to run Combo Cleaner.

5. The tool will update the signature file, please wait for this process to complete.

6. To begin checking for threats like PUADlManager:Win32/InstallCore, click on the Start Scan button. Wait for this scan to finish.

CC for Windows Start Scan

7. At the end of the scan process, click on Remove all threats to delete the PUADlManager:Win32/InstallCore virus, including all malicious objects from the computer.

Free features of Combo Cleaner for Windows include Disk Cleaner, Big Files finder, Duplicate files finder, and Uninstaller. To use antivirus, privacy scanner, and to delete identified threats, users have to upgrade to a premium version.

Please continue with the succeeding removal procedures if you are comfortable manually getting rid of the virus and malicious items linked to it.

Step 1 : Start Windows in Safe Mode With Networking

The method of running Windows in Safe Mode before running a virus scan is effective in getting rid of PUADlManager:Win32/InstallCore. This process can prevent most viruses and malware from loading, making it easier to detect and remove them.

1. On the Windows Search bar, please type msconfig.

Screenshot of MSConfig Command

2. Select and open System Configutation on the list of found results.

3. Once you are in the System Configuration window, go to the Boot tab.

Screenshot of SafeBoot

4. Under the Boot Options area, please check Safe Boot and select Network. This will allow Windows to boot in Safe Mode with Networking.

5. Lastly, click on Apply and OK to save the changes.

6. Please restart Windows.

Do not forget to restore the normal boot process of Windows after running the virus scan. Simply repeat the method above, and this time, uncheck the Safe Boot option to run Windows normally.

Step 2 : Run a virus scanner

To remove PUADlManager:Win32/InstallCore, we suggest that you scan the infected computer with this powerful virus removal tool. It can detect and get rid of Trojans, viruses, malware, and adware from the infected computer. To fully protect the computer against PUADlManager:Win32/InstallCore or similar attacks, you can activate Sophos to have real-time scanning and complete defense against all forms of threats.

1. Download Sophos Virus Removal Tool from the link below. Save the file on your computer where you can easily access it.

2. Once the download completes, browse the location of the file. Double-click to run the program and begin the install process.

3. On the first window of installation wizard, click Next to continue. Then, it will display the program’s License Agreement. You need to Accept the terms in order to proceed. If Windows prompts for User Account Control, please click Yes to proceed.

Screenshot of Sophos EULA Page

4. On succeeding windows, click Next or Continue to carry on with the installation. After completing the installation process, Launch Sophos Virus Removal Tool.

5. An internet connection is required when running this scanner in order to download important updates. Make sure that everything is up-to-date to effectively remove viruses like PUADlManager:Win32/InstallCore.

6. Click the Start Scanning button to  carry out the Scan. This will check the system for the presence of malicious objects, malware, and viruses. The tool reveals items that were found linked to PUADlManager:Win32/InstallCore and other suspicious entities. Be sure to remove all identified threats.

Screenshot of Sophos Virus Scan

After executing the above instructions, PUADlManager:Win32/InstallCore should have been completely removed from the computer. If there are still signs of infection or the computer is displaying unusual behaviors, please continue with the remaining procedures.

Another alternative for Windows 10/11 users is to scan the computer with Microsoft Defender Offline. This will run a virus scan in the recovery environment.

Step 3 : Double Check with Windows Security Apps

Microsoft Windows has a built-in security application that you can use to double-check if your computer is still infected with PUADlManager:Win32/InstallCore. For Windows 10/11 users, please run Windows Security.

Windows 10 / 11 Instructions:

Windows Security is a free tool that was built to help you remove PUADlManager:Win32/InstallCore, viruses, and other malicious items from Windows 10/11 systems. Follow these procedures to scan your computer with the tool:

1. Tap or click the Search charm, search for Windows Security, and then open the application.

Image of Windows Security Search

2. On the Home tab, click Virus and threat protection from the sidebar.

3. On the main window, click on Scan Options. Then, click on Full Scan button.

Image of Scan Options

4. Lastly, click on the Scan now button to start scanning for the presence of PUADlManager:Win32/InstallCore. The process may take a while to complete.

5. After the scan, Delete/Quarantine identified threats, whether they were relevant to PUADlManager:Win32/InstallCore or not. You may now restart Windows to complete the virus removal process.

For older versions of Windows, you can scan the computer for free with the Microsoft Malicious Software Removal Tool (MSRT 64-Bit). It is a stand-alone virus scanner tool that targets prevalent malware groups.

How to protect the computer from PUADlManager:Win32/InstallCore?

The initial defense that comes to mind for any computer user is to install an anti-virus or anti-malware program. This move is sensible and probably the most practical way to protect the computer against a PUADlManager:Win32/InstallCore attack. Hence, keep in mind that having security software does not guarantee full protection. The majority of the prevention still lies in being cautious of users, and therefore, we are providing the following information as guidelines to protect the computer from virus infection.

Avoid Malicious Websites

There are enormous numbers of websites that were made for the primary purpose of spreading PUADlManager:Win32/InstallCore. Normally, these sites are involved in integrating malicious pop-up and browser hijacker, that will eventually cause further virus infections. Avoid such websites.

Ignore and Delete Phishing Emails

The mass-mailing of computer viruses gives the attackers the luxury of spreading their malicious code in just one send-off. This will arrive in the inbox as an email that appears to be from a legitimate organization. So, if you receive an unexpected email with a link or an attached file, better delete it immediately.

Do Not Click a Suspicious Link

Links from social media, forums, and blog sites are sometimes being utilized by attackers to drive web users to a malicious page that contains malicious code. Therefore, do not just click on any link, especially if it looks suspicious. Accidental access to the destination site may lead to a PUADlManager:Win32/InstallCore infection.

Be Careful When Downloading Files

Cracked software, serial key generators, and several freeware are seen as another method that spreads the PUADlManager:Win32/InstallCore virus. Avoid acquiring these types of applications, and if there is a need to download freeware or shareware, be sure to obtain it from the official website or trusted providers.

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