PupkinStealer Malware – Removal Guide

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So here’s how it usually happens: a pop-up tells you there’s a new update for your video player or browser plugin. You click “Download,” thinking it’s routine. But instead, you get PupkinStealer – a Trojan Horse built to look legit but designed to do damage. It installs fast, leaves no obvious trace, and starts harvesting everything. We’re talking saved passwords, browser autofill data, login tokens – anything it can grab without tripping alarms. PupkinStealer doesn’t just sit there either. It opens a backdoor for remote attackers, gives them access to your system, and sends your data off to servers you’ll never find. People think, “I didn’t install anything sketchy,” but that’s the trick. PupkinStealer rides in on updates you think are real. And once it’s in, it’s like a digital pickpocket with admin privileges. You need to get rid of it. Now.

What Is the PupkinStealer Virus?

Trojans like PupkinStealer are deceptive programs that sneak into systems by posing as legitimate files or software, but their real goal is to carry out harmful actions without the user’s consent. The primary purpose of PupkinStealer is to open backdoors for attackers, steal sensitive data, and give hackers control over the infected machine. One of the most dangerous aspects is that PupkinStealer can escalate its privileges to gain admin-level access, allowing it to override system settings, disable protective tools, and make itself nearly impossible to remove. It runs unauthorized processes that may appear normal on the surface – like system updates or utility services – making them easy to overlook. In many cases, PupkinStealer also hijacks CPU and memory resources to mine cryptocurrency in the background, which slows performance, strains hardware, and can even cause overheating. The combination of stealth, power, and persistence makes PupkinStealer a serious threat that must be dealt with as soon as it’s discovered.

How to Remove the PupkinStealer Virus

Our experience with similar malware threats and our research on PupkinStealer has allowed us to create a detailed guide that explains all the steps necessary to eliminate this virus. If you already have some experience with troubleshooting and/or malware removal, you can check the brief description of the specific steps required to get rid of PupkinStealer and start performing them:

Removal Steps Overview

    Removal Steps Overview1

  1. 1
    1Preparatory Steps: Easy – Begin by adjusting folder visibility settings and installing LockHunter, which helps remove locked malware files.Preparatory Steps: Easy – Begin by adjusting folder visibility settings and installing LockHunter, which helps remove locked malware files.
  2. 2
    1Task Manager Cleanup: Moderate – Open Task Manager to end questionable tasks and remove their related files.Task Manager Cleanup: Moderate – Open Task Manager to end questionable tasks and remove their related files.
  3. 3
    1Delete Remaining PupkinStealer Files: Moderate – Inspect critical folders like AppData and Temp for remaining suspicious data.Delete Remaining PupkinStealer Files: Moderate – Inspect critical folders like AppData and Temp for remaining suspicious data.
  4. 4
    1Delete Startup Items: Easy – Open the Startup tab in Task Manager to stop harmful programs from launching.Delete Startup Items: Easy – Open the Startup tab in Task Manager to stop harmful programs from launching.
  5. 5
    1Delete Scheduled Tasks: Moderate – Use Task Scheduler to locate and delete automated jobs initiated by the malware.Delete Scheduled Tasks: Moderate – Use Task Scheduler to locate and delete automated jobs initiated by the malware.
  6. 6
    1Registry Cleanup: Hard – Dive into the Registry Editor to find and eliminate stubborn malware traces in registry keys.Registry Cleanup: Hard – Dive into the Registry Editor to find and eliminate stubborn malware traces in registry keys.

If you’re not sure about each of these steps, continue reading below for an expanded, comprehensive explanation of every action needed.

Threat Name PupkinStealer
Threat Type Trojan Horse/Malware
Threat Level High (Trojans exploit system resources, run harmful processes, collect sensitive data, distribute other malware, etc.)
Removal Methods:
Manual Method – Advanced Steps 40-60 minutes – high success rate
Automatic Method – SpyHunter 5 5-10 minutes – very high success rate

How to Get Rid of PupkinStealer – Full Guide

This is the full removal tutorial for PupkinStealer. If you are determined to remove this virus manually but need help with the specific steps, the following instructions are for you.

1. Preparatory Steps

15
    Preparatory Steps1

  1. 1
    1.1
    To begin, download and install LockHunter a utility specifically designed to handle stubborn files that resist deletion. It assists with force-removing files that malware locks down to avoid user intervention, ensuring your deletion attempts aren’t blocked.
  2. 2
    1.2
    folder options malwarecomplaints
    Now, adjust your system settings so you can access hidden folders that may contain malware. Open any folder, click the View tab in the top toolbar, and enable the Hidden items checkbox. This reveals files often used to hide malicious components from plain view.

2. Get Rid of Rogue Processes in the Task Manager

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    Get Rid of Rogue Processes in the Task Manager1

  1. 1
    2.1
    Open Task Manager by pressing Ctrl + Shift + Esc simultaneously. If you see a simplified interface, click More Details in the bottom-left corner to expand it and access all running background and foreground processes with full details.
  2. 2
    2.2
    task manager malwarecomplaints
    To identify suspicious tasks more easily, sort processes by Memory or CPU usage. This moves the most active ones to the top. Investigate anything with a strange name or unknown origin, even if PupkinStealer isn’t directly named in the list.
  3. 3
    2.3
    Once you find an unusual process, right-click it and choose Open File Location to see where it’s running from. Leave that folder open in the background. Then, in Task Manager, right-click the same process again and select End Task to stop it.
  4. 4
    2.4
    Return to the folder you opened earlier and try deleting every file within it. These files are usually directly linked to the malware. If Windows allows, removing them now helps prevent the malware from restarting later on.
  5. 5
    2.5
    lockhunter malwarecomplaints
    If any file refuses deletion due to being in use, use LockHunter by right-clicking the file and selecting What’s locking this file/folder?. From the popup menu, hit the Delete button to force the removal of the file that’s resisting.

3. Delete Remaining PupkinStealer Files

6-7mins
    Delete Remaining PupkinStealer Files1

  1. 1
    3.1
    Manually explore the following folders to hunt down malware remnants. Look for oddly named files or randomly generated folders:

    C:\Users[Username]\AppData\Local
    C:\Users[Username]\AppData\Roaming
    C:\Users[Username]\AppData\Local\Temp
    C:\Users[Username]\AppData\LocalLow
    C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup
    C:\Users[Username]\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup
    C:\Program Files
    C:\Program Files (x86)
    C:\ProgramData

    These are common hiding places for malware due to user access permissions and limited oversight.

  2. 2
    3.2
    Delete anything that stands out as abnormal or that you don’t recognize. These folders typically don’t contain essential Windows system files, so it’s usually safe to remove suspicious items. You can empty Temp entirely without risk to your system.

4. Disable PupkinStealer Startup Items

17
    Disable PupkinStealer Startup Items 1

  1. 1
    4.1
    Once more, open Task Manager and this time go to the Startup tab located in the top menu. Review each entry and disable anything you don’t recognize or that you’re not sure is from a safe application.
  2. 2
    4.2
    Only keep startup items you trust and know are needed. Deactivating unidentified programs will stop them from launching at boot and reduce the risk of the malware reactivating itself each time your computer restarts.

5. Eliminate PupkinStealer Scheduled Tasks

5-6
    Eliminate PupkinStealer Scheduled Tasks1

  1. 1
    5.1
    task scheduler malwarecomplaints
    Go to the Start Menu, search for Task Scheduler, and open the top result. In the left panel of the interface, click Task Scheduler Library to reveal all scheduled tasks, including those added by unwanted software.
  2. 2
    5.2
    Click on tasks one at a time, then go to the Actions tab to check what the task is configured to execute. If the action points to an unfamiliar program or an untrusted path, it’s likely tied to PupkinStealer.
  3. 3
    5.3
    If you confirm that a scheduled task is launching something suspicious, right-click and delete it immediately. This prevents the virus from running again automatically during system startup or while the computer is idle.

6. Remove PupkinStealer Items From the Registry

5-6
    Remove PupkinStealer Items From the Registry1

  1. 1
    6.1
    Type regedit into the Start Menu, then right-click on it and choose Run as administrator to open the Registry Editor with elevated privileges. This tool allows access to the configuration areas where malware often embeds itself.
  2. 2
    6.2
    Inside Registry Editor, press Ctrl + F, enter PupkinStealer, and begin a search. When it finds matching entries, delete them carefully. Keep repeating the search until nothing else related to the malware can be found.
  3. 3
    6.3
    If a registry key resists deletion, right-click it, select Permissions, and open the Advanced menu. Click Change next to the owner, type Everyone, and press OK. Then try deleting the key again now that you have access rights.
  4. 4
    6.4
    adware registry cleanup
    Next, manually navigate to these key locations in the registry using the folder tree on the left side:
  5. 5
    6.5
    Within each registry folder, examine the individual values displayed in the right panel. If anything looks unfamiliar or matches PupkinStealer, delete only those specific entries – not the entire folder, to avoid system issues.


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