Trojan:HTML/FakeCaptcha!rfn Removal: Lumma Stealer & Scam

Trojan:HTML/FakeCaptcha!rfn is not a typical pop-up warning but a social-engineering trick built to abuse the familiar CAPTCHA look. Instead of exploiting a software flaw in the usual way, similar to Trojan:PDF/FakeCaptcha.AB!atmn and Dridex, it nudges the visitor into starting the attack manually through seemingly routine actions.

The scam often appears on shady or compromised pages and shows fake verification steps, commonly telling the user to press Win + R, paste a hidden command, and hit Enter. That command can launch PowerShell or mshta and fetch credential stealers or remote-control malware.

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What makes this threat dangerous is how ordinary it feels. A malicious page may quietly load a command into the clipboard, while the victim sees only a harmless-looking prompt. Campaigns tied to this method have delivered threats such as Lumma Stealer and other data-stealing payloads.

Because the outcome depends on what ran afterward, cleanup can be anything from simple to fairly technical. The removal guide below covers the key checks. When manual removal feels too messy, SpyHunter 5 can help remove malicious files, viruses, and unwanted programs.

Trojan:HTML/FakeCaptcha!rfn Removal Guide

Begin with Windows’ built-in uninstall tools before moving to deeper checks. Try removing Trojan:HTML/FakeCaptcha!rfn from Apps & Features first because it is fast and relatively low risk, and it may remove the main program entry if one exists. Even if remnants stay behind, this first pass reduces noise and makes later verification easier.

Remove Trojan:HTML/FakeCaptcha!rfn app through Apps & Features

15 mins

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1.1
If Trojan:HTML/FakeCaptcha!rfn appears in the installed apps list, start there. Open the Start Menu, select Settings, and go to the area that manages installed applications.
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1.2
In Settings, open Apps. Review the full list or use the available filters for name, size, or install date to narrow down recent additions.
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1.3
Set the sort order to Installation date so the newest items appear first. This helps surface software that showed up around the same time the unwanted behavior started.
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1.4
When you find an entry you cannot account for, select it, click Uninstall, and complete the prompts on screen. Let the uninstaller finish fully so related files and settings have a chance to be removed as well.
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1.5
When the uninstall finishes, open C:\Users\YourUsername\AppData\Local\Programs. Look for folders or binaries that appear to belong to the removed entry and note anything that seems out of place.
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If a leftover folder clearly matches the program you just removed, delete it manually. Restart Windows afterward so file locks are released and you can confirm the unwanted entry does not return at startup.

After restarting, verify that the program entry is gone and that the same process does not appear again. If Trojan:HTML/FakeCaptcha!rfn or related behavior still shows up, that is not unusual with persistent threats; continue with the checks below to remove hidden files and disable restart points that can survive a basic uninstall.

OVERVIEW:

Name	Trojan:HTML/FakeCaptcha!rfn
Type	Trojan
Removal Tool	Some threats reinstall themselves if you don’t delete their core files. We recommend downloading SpyHunter to remove harmful programs for you. This may save you hours and ensure you don’t harm your system by deleting the wrong files. Download SpyHunter (Free Remover)* OFFER *Read more details in the first ad on this page, EULA, Privacy Policy, and full terms for Free Remover.

How to Remove Trojan:HTML/FakeCaptcha!rfn Completely

Reviewing what is currently active can reveal file paths, parent processes, and the triggers that keep a threat running. If Trojan:HTML/FakeCaptcha!rfn is still present, you can often see where it launches from and which folders it depends on, which cuts down guesswork and helps remove persistence points instead of only the visible symptoms.

1. Set up Windows for a more thorough cleanup

15 mins

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1.1
Enable hidden items so you can inspect leftovers tied to Trojan:HTML/FakeCaptcha!rfn. In the Start Menu, search for Folder Options, open it, switch to the View tab, and select Show hidden files, folders, and drives. Hidden folders often store support files.
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1.2
If Windows refuses deletion because files are “in use”, install LockHunter. It adds a right-click option that shows what is holding the lock and can remove stubborn executables or DLLs.

You can still perform most of the cleanup manually if you prefer not to use third-party software. When Trojan:HTML/FakeCaptcha!rfn leaves a file marked as “in use,” however, this utility can release the lock so deletion completes cleanly instead of turning into a reboot loop.

LockHunter is free, does not require registration, and usually installs within a couple of minutes. If you choose to use it while dealing with Trojan:HTML/FakeCaptcha!rfn, the goal is simply to unlock stubborn files so the rest of the cleanup can continue without repeated file-use errors.

Remove Suspicious Trojan:HTML/FakeCaptcha!rfn Processes in Task Manager

Ending a single executable is rarely enough because persistent threats can add startup entries, helper components, and scheduled triggers that relaunch the main process. The steps below help you identify the running file for Trojan:HTML/FakeCaptcha!rfn, remove the folder it uses, and then end the process so it cannot restart immediately while you continue cleanup.

2. Stop suspicious Trojan:HTML/FakeCaptcha!rfn processes and delete their files

15 mins

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2.1
To find components related to Trojan:HTML/FakeCaptcha!rfn, begin with what is running now. Press Ctrl + Shift + Esc to open Task Manager, then review the active processes and their resource usage.
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2.2
If Task Manager opens in the simplified view, click More details. The expanded layout shows background processes and extra fields that make unusual entries easier to notice.
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2.3
Sort by CPU or Memory and watch for unfamiliar names or constant spikes. Malware often uses bland, generic process names to blend in with normal activity.
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Right-click the entry that looks suspicious and choose Open file location. The folder path and nearby files usually make it easier to judge whether the process belongs to legitimate software.
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2.5
Try deleting the folder that contains the suspicious file. If Windows blocks the removal, open LockHunter, choose What’s locking this file?, release the lock, and delete the file and its folder from inside the tool.
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2.6
Return to Task Manager and click End task for that same process. Stopping it after the file is removed reduces the chance of an immediate relaunch while you continue checking the system.

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Delete Trojan:HTML/FakeCaptcha!rfn Trojan Files

Many threats stay persistent by dropping small launchers and helper files into common system and user folders, then connecting them to logon or other triggers. In this stage, the goal is to remove those launch points and leftovers so Trojan:HTML/FakeCaptcha!rfn cannot quietly rebuild itself. Check the locations below in order and delete only items you cannot identify.

3. Remove Trojan:HTML/FakeCaptcha!rfn startup entries and leftover folders

15 mins

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3.1
Begin with the startup locations that can relaunch Trojan:HTML/FakeCaptcha!rfn: C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup and C:\Users\YourUsername\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup. Delete unknown shortcuts or executables.
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Inside each Startup folder, leave desktop.ini in place and remove other suspicious items. If Windows blocks the deletion, use LockHunter to unlock and remove them.
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Check the main program directories next – C:\Program Files and C:\Program Files (x86). Delete recently created, empty, or oddly named folders that do not match software you knowingly installed.
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3.4
Review user-level locations too: C:\Users\YourUsername\AppData\Local\, C:\Users\YourUsername\AppData\Local\Programs, and C:\Users\YourUsername\AppData\Roaming\Microsoft\Windows\Start Menu\Programs. These paths often store launchers, updater stubs, or scripts.
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Clear temporary files: open C:\Users\YourUsername\AppData\Local\Temp, press Ctrl + A to select everything, delete the contents, and empty the Recycle Bin.

Remove Trojan:HTML/FakeCaptcha!rfn Scheduled Tasks

Scheduled tasks are a common way to relaunch unwanted software after files have been deleted, because Windows can run them at sign-in, on a timer, or when certain conditions are met. Reviewing task actions shows what will launch and from which path, which helps stop Trojan:HTML/FakeCaptcha!rfn from returning after a restart.

4. Disable tasks that relaunch Trojan:HTML/FakeCaptcha!rfn

15 mins

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4.1
Open Task Scheduler to locate triggers that may restore Trojan:HTML/FakeCaptcha!rfn. Search for it from the Start Menu, launch it, and expand the Task Scheduler Library to review tasks for your account and system folders.
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Double-click a task to open Properties. Check Actions to see what runs and whether extra parameters are included.
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4.3
Focus on tasks that point into user locations such as AppData or Roaming, especially if the task name is unfamiliar. Those paths are commonly used by unwanted payloads.
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If a task clearly does not belong, copy the full path shown under Actions, then delete the task in Task Scheduler so it cannot run again.
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Go to the copied path and delete the referenced executable or script. Removing both the task and its payload helps prevent an automatic relaunch after reboot.
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Repeat the review in every folder under the Task Scheduler Library, including installer-created subfolders. Persistence is often hidden behind generic task names.

Remove Trojan:HTML/FakeCaptcha!rfn Through the Windows Registry

Even after files are deleted and tasks are removed, Registry entries can remain as startup hooks or stray references to old paths. The goal here is to remove only entries you can clearly connect to Trojan:HTML/FakeCaptcha!rfn, while leaving legitimate services and vendor keys untouched. Work slowly and target specific values whenever possible.

5. Clean Trojan:HTML/FakeCaptcha!rfn leftover registry entries safely

15 mins

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5.1
Open Registry Editor to inspect autostart data that may keep Trojan:HTML/FakeCaptcha!rfn active: press Win + R, type regedit, and press Enter.
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5.2
Press Ctrl + F and search for the exact app name you removed earlier. This can reveal orphaned keys such as services or shell extensions.
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5.3
When a result appears, select the key in the left pane and delete it. Continue with F3 until no more entries are found across all hives.
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5.4
Repeat the same search-and-delete process for any other suspicious programs you identified during the earlier cleanup. Clearing those entries reduces the chance that helper components can restore files.
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5.5
Run one more search for the exact threat name. Removing a leftover value that points to a deleted file can stop items from being recreated at startup.
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5.6
Manually inspect these commonly used paths for autostarts and policy runs:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServices
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunServicesOnce
HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce\Setup
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services
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5.7
In each location, review the right pane for values that point to unknown executables or unusual directories. Delete the specific value only so legitimate components are not disrupted.

Finish by restarting Windows. Confirm that startup looks normal, make sure no unexpected relaunches occur, and check that browsers and installed apps behave normally. If symptoms linked to Trojan:HTML/FakeCaptcha!rfn continue, an offline scan can help detect hidden components and verify that no scheduled tasks or startup values remain.