How to Remove PUADlManager:Win32/OfferCore Virus

OfferCore Removal Guide
OfferCore PUA
Written by Wilbur Woodham

PUADlManager:Win32/OfferCore is a detection name from Microsoft Defender, that points at an unwanted program running in your system.

PUADlManager:Win32/OfferCore

PUADlManager:Win32/OfferCore detection from Microsoft Defender

OfferCore is capable of messing up your system settings, bringing unwanted programs, stealing personal data, and negatively impacting your user experience. Ignoring the detection may lead to more severe and diverse infections. Below, I gathered all the information and methods you need to follow up to get rid of this malware.

Dangers of PUA:Win32/OfferCore

  • Installation of unwanted programs without your consent;
  • Potential modifications to the system settings;
  • Confusing users by telling them it is mandatory to install bundled apps;
  • Acting as a downloader for full-fledged malware, particularly backdoors and spyware.
OfferCore is a group of software bundling utilities, that have massive applications in freeware and cracked applications’ modification. Its key purpose is orchestrating the installation of additional programs, particularly junk software or even adware. It can also be used to drag full-fledged malware to your system.
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When we talk about the intrusion of unfamiliar programs into your computer’s work, the proverb “Forewarned is forearmed” describes the situation as accurately as possible. Gridinsoft Anti-Malware is exactly the tool that is always useful to have in your armory: fast, efficient, up-to-date. It is appropriate to use it as an emergency help at the slightest suspicion of infection.
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The files reported as PUADlManager:Win32/OfferCore may not necessarily be malicious. If you are uncertain whether a file is malicious or a false positive detection, you can submit the affected file to https://gridinsoft.com/online-virus-scanner for scanning with a free online antivirus engine.

How to remove the PUADlManager:Win32/OfferCore from my PC?

OfferCore is incredibly difficult to remove manually. It places its documents in multiple places throughout the disk and can recover itself from one of the elements. Additionally, a range of modifications in the Windows registry, networking configurations, and also Group Policies are really hard to find and change to the initial. It is much better to use a specific program – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the best for malware removal reasons.

Why GridinSoft Anti-Malware? It is pretty lightweight and has its detection databases updated nearly every hour. Furthermore, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware ideal for clearing away malware of any type.

Manual PUADlManager:Win32/OfferCore Removal

You can remove PUADlManager:Win32/OfferCore manually, through the system Settings app. Click the Windows button with the right mouse button and find Settings in the appeared list. In Settings, go to Apps → Installed Apps menu.

Manual removal PUADlManager:Win32/OfferCore

There, find the apps you do not remember installing. If you know a specific one that Avast/AVG is complaining about with the Win32/Uwamson detection, seek them. Click the three-dot symbol to the right, and then choose “Uninstall”.

Remove PUADlManager:Win32/OfferCore

Remove PUADlManager:Win32/OfferCore with Gridinsoft Anti-Malware

We have also been using this software on our systems ever since, and it has always been successful in detecting viruses. It has blocked the most common unwanted programs as shown from our tests with the software, and we assure you that it can remove PUADlManager:Win32/OfferCore as well as other malware hiding on your computer.

Gridinsoft Anti-Malware - Main Screen

To use Gridinsoft for remove malicious threats, follow the steps below:

1. Begin by downloading Gridinsoft Anti-Malware, accessible via the blue button below or directly from the official website gridinsoft.com.

2.Once the Gridinsoft setup file (setup-gridinsoft-fix.exe) is downloaded, execute it by clicking on the file.

setup-gridinsoft-fix.exe

3.Follow the installation setup wizard's instructions diligently.

Gridinsoft Setup Wizard

4. Access the "Scan Tab" on the application's start screen and launch a comprehensive "Full Scan" to examine your entire computer. This inclusive scan encompasses the memory, startup items, the registry, services, drivers, and all files, ensuring that it detects malware hidden in all possible locations.

Scan for PUADlManager:Win32/OfferCore unwanted programs

Be patient, as the scan duration depends on the number of files and your computer's hardware capabilities. Use this time to relax or attend to other tasks.

5. Upon completion, Anti-Malware will present a detailed report containing all the detected malicious items and threats on your PC.

The PUADlManager:Win32/OfferCore was Found

6. Select all the identified items from the report and confidently click the "Clean Now" button. This action will safely remove the malicious files from your computer, transferring them to the secure quarantine zone of the anti-malware program to prevent any further harmful actions.

The PUADlManager:Win32/OfferCore has been removed

8. If prompted, restart your computer to finalize the full system scan procedure. This step is crucial to ensure thorough removal of any remaining threats. After the restart, Gridinsoft Anti-Malware will open and display a message confirming the completion of the scan.

Remember Gridinsoft offers a 6-day free trial. This means you can take advantage of the trial period at no cost to experience the full benefits of the software and prevent any future malware infections on your system. Embrace this opportunity to fortify your computer's security without any financial commitment.

Trojan Killer for “PUADlManager:Win32/OfferCore” removal on locked PC

In situations where it becomes impossible to download antivirus applications directly onto the infected computer due to malware blocking access to websites, an alternative solution is to utilize the Trojan Killer application.

Trojan Killer - Main View

There is a really little number of security tools that are able to be set up on the USB drives, and antiviruses that can do so in most cases require to obtain quite an expensive license. For this instance, I can recommend you to use another solution of GridinSoft - Trojan Killer Portable. It has a 14-days cost-free trial mode that offers the entire features of the paid version. This term will definitely be 100% enough to wipe malware out.

Trojan Killer is a valuable tool in your cybersecurity arsenal, helping you to effectively remove malware from infected computers. Now, we will walk you through the process of using Trojan Killer from a USB flash drive to scan and remove malware on an infected PC. Remember, always obtain permission to scan and remove malware from a computer that you do not own.

Step 1: Download & Install Trojan Killer on a Clean Computer:

1. Go to the official GridinSoft website (gridinsoft.com) and download Trojan Killer to a computer that is not infected.

Download Trojan Killer

2. Insert a USB flash drive into this computer.

3. Install Trojan Killer to the "removable drive" following the on-screen instructions.

Install Trojan Killer to Removable Drive

4. Once the installation is complete, launch Trojan Killer.

Step 2: Update Signature Databases:

5. After launching Trojan Killer, ensure that your computer is connected to the Internet.

6. Click "Update" icon to download the latest signature databases, which will ensure the tool can detect the most recent threats.

Click Update Button

Step 3: Scan the Infected PC:

7. Safely eject the USB flash drive from the clean computer.

8. Boot the infected computer to the Safe Mode.

9. Insert the USB flash drive.

10. Run tk.exe

11. Once the program is open, click on "Full Scan" to begin the malware scanning process.

Searching PUADlManager:Win32/OfferCore Virus

Step 4: Remove Found Threats:

12. After the scan is complete, Trojan Killer will display a list of detected threats.

Searching PUADlManager:Win32/OfferCore Finished

13. Click on "Cure PC!" to remove the identified malware from the infected PC.

14. Follow any additional on-screen prompts to complete the removal process.

Restart needed

Step 5: Restart Your Computer:

15. Once the threats are removed, click on "Restart PC" to reboot your computer.

16. Remove the USB flash drive from the infected computer.

Congratulations on effectively removing PUADlManager:Win32/OfferCore and the concealed threats from your computer! You can now have peace of mind, knowing that they won't resurface again. Thanks to Gridinsoft's capabilities and commitment to cybersecurity, your system is now protected.

Reset your browser settings

As OfferCore may modify your browser settings, it is recommended to turn them back to factory settings. You can do it both manually and with the help of GridinSoft Anti-Malware.

Reset your browsers with GridinSoft Anti-Malware

To reset your browser with GridinSoft Anti-Malware, open the Tools tab, and click the “Reset browser settings” button.

Tools tab in GridinSoft Anti-Malware

You may see the list of options for each browser. By default, they are set up in a manner that fits the majority of users. Press the “Reset” button (lower right corner). In a minute your browser will be as good as new.

Reset Browser Settings tab in GridinSoft Anti-Malware

The browser reset is recommended to be performed through the antivirus tool by GridinSoft because the latter is also able to reset the HOSTS file without any additional commands.

Reset your browsers manually

To reset Edge, do the following steps:
  1. Open the “Settings and more” tab in the upper right corner, then find here “Settings” button. In the appeared menu, choose the “Reset settings” option:
  2. Reseting the Edge browser

  3. After picking the Reset Settings option, you will see the following menu, stating the settings which will be reverted to the original:
  4. PUADlManager:Win32/OfferCore Removal Finished
For Mozilla Firefox, do the next actions:
  1. Open the Menu tab (three strips in the upper right corner) and click the “Help” button. In the appeared menu choose “Troubleshooting information”:
  2. The first step to revert Mozilla Firefox

  3. In the next screen, find the “Refresh Firefox” option:
  4. The second step of Firefox restoration
    After choosing this option, you will see the next message:
    The last step for Firefox
If you use Google Chrome
  1. Open the Settings tab, and find the “Advanced” button. In the extended tab choose the “Reset and clean up” button:
  2. PUADlManager:Win32/OfferCore Removal Step 1

  3. In the appeared list, click on the “Restore settings to their original defaults”:
  4. PUADlManager:Win32/OfferCore Removal Step 2

  5. Finally, you will see the window, where you can see all the settings which will be reset to default:
  6. PUADlManager:Win32/OfferCore Removal Step 3
Opera can be reset in the next way
  1. Open the Settings menu by pressing the gear icon in the toolbar (left side of the browser window), then click the “Advanced” option, and choose the “Browser” button in the drop-down list. Scroll down, to the bottom of the settings menu. Find there “Restore settings to their original defaults” option:
  2. OfferCore in Opera - Step 1
  3. After clicking the “Restore settings…” button, you will see the window, where all settings, which will be reset, are shown:
  4. OfferCore in Opera - Step 3

When the browsers are reset, you need to ensure that your browser will connect the right DNS while connecting to the web page you need. Create a text file titled “hosts” on your PC’s desktop, then open it and fill it with the following lines1:


# Copyright (c) 1993-2009 Microsoft Corp.
#
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
#
# This file contains the mappings of IP addresses to host names. Each
# entry should be kept on an individual line. The IP address should
# be placed in the first column followed by the corresponding host name.
# The IP address and the host name should be separated by at least one
# space.
#
# Additionally, comments (such as these) may be inserted on individual
# lines or following the machine name denoted by a '#' symbol.
#
# For example:
#
# 102.54.94.97 rhino.acme.com # source server
# 38.25.63.10 x.acme.com # x client host
# localhost name resolution is handle within DNS itself.
# 127.0.0.1 localhost
# ::1 localhost

How to Remove PUADlManager:Win32/OfferCore?

Name: PUADlManager:Win32/OfferCore

Description: PUADlManager:Win32/OfferCore itself is not typically known to cause significant damage to your computer. However, it can result in a negative user experience due to its intrusive advertisements, disruptive pop-ups, and potential redirection to unwanted websites. Additionally, it may lead to the installation of other potentially unwanted applications or adware, which can further impact your browsing activities. While the primary concern with PUADlManager:Win32/OfferCore is user inconvenience and unwanted software, it is important to remain vigilant and take steps to remove it to maintain a secure and hassle-free computing environment.

Operating System: Windows

Application Category: Potentially Unwanted Software

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References

  1. Official Microsoft guide for hosts file reset.
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Software Name
OfferCore
Operating System
Windows
Software Category
PUADlManager
Price
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About the author

Wilbur Woodham

I was a technical writer from early in my career, and consider IT Security one of my foundational skills. I’m sharing my experience here, and I hope you find it useful.

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