Work.hta: what it is and how to remove it
Work.hta virus is a dangerous infection which belongs to the Trojan horse category. This sneaky cyber threat can get into the system through the system's background with the help of infected pop-ups, malicious web pages, spam messages, etc.
Facts checked October 6, 2026. Removal steps tested on Windows 11 (26H2) and checked against Microsoft's and the browser makers' current documentation. Sections marked as our earlier report are the original text: they describe the threat as it was then and have not been reviewed since. The 2026 status, the removal steps and the questions are current.
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Work.hta: summary
| Name | Work.hta |
|---|---|
| Type | Trojan horse |
| detected as | PUP.WORK.HTA; PUP.Adware.WORK |
| Dangers | Provides remote access to the PC system, might install another serious virus, take over the personal information |
| Symptoms | Almost none. You might notice only an increased usage of your PC's resources, sluggishness, slowdowns |
| Enters the system through | Spam, dubious websites, infected pop-ups |
| Removal | Scan the PC with security software to find and remove the malware and anything installed with it. Fortect scans Windows for malware and repairs the system files and settings it damaged. Remove it nowTo use the full-featured product, you have to purchase a license for Fortect. The scan is free. |
Show 8 more facts
| Purpose | To gain access to the victim's computer system and perform hazardous actions |
|---|---|
| Protection | Avoid phishing messages, malicious websites, misleading ads |
| Detection names | No Microsoft detection name is known |
| Distribution | Not recorded in the old report |
| Damage | Not recorded in the old report |
| Evidence | 4 write-ups by security sites; details still limited |
| First seen | 14 August 2018 |
| Facts checked | 6 October 2026 |
What Work.hta does on an infected PC
From our report of Aug 2018 · not reviewed since
Work.hta virus - a malicious Trojan horse which is hard to discover as it tends to perform its malicious tasks in system's background
Work.hta virus is a dangerous infection which belongs to the Trojan horse category.
This sneaky cyber threat can get into the system through the system's background with the help of infected pop-ups, malicious web pages, spam messages, etc. Once installed, it usually does not show any symptoms and stays undetected if there is no antivirus software on the system.
If the security software informs you about PUP.Work.hta or PUP.Adware.Work, make sure you remove detected entries from your computer. Otherwise, cybercriminals can use this malware to get remote access to your computer and start their damaging activity.
Even though Trojan horses do not show any symptoms, some signs showing that Work.hta virus is running on your computer could help you realize the fact that you are infected:
No matter how harmless these activities seem, note that a Trojan horse might lead you to seriously dangerous consequences. Once the crook installs such a virus on the system, it gets a chance to take control over it. In addition, the system can be infected with any type of dangerous virus, including ransomware-type threats .
Moreover, Work.hta virus can be used to track your personal data and lead you to identity theft. It might be used to collect bank details, logins, passwords and similar information. Do not wait for such damage to occur, perform the Work.hta virus removal straight after you notice any of the signs mentioned above.
To remove Work.hta virus from your computer, use or any other trusted anti-malware tool for this purpose. Do not postpone this task because this sneaky cyber threat might cause even more damage to your computer system.
To protect yourself in the future, always make sure that you have reliable antivirus protection installed on your machine. The final tip would be to keep it up-to-date to prevent security holes typically used by such malware to infiltrate systems unnoticed.
- Serious system slowdowns;
- Various adverts displayed while browsing the web;
- Programs' crashes;
- New tasks running in the background.


From our report of Aug 2018 · not reviewed since
More from our earlier report on Work.hta
- Make sure to refresh the system after you proceed with the elimination
How Work.hta got on your PC
From our report of Aug 2018 · not reviewed since
According to IT experts , serious malware forms such as Trojan horses spread through spam messages.
Such emails fall straightly into victims' email boxes and might come completely legal-looking. However, be careful and try not to get tricked - it is always a better option to get rid of all received phishing messages permanently without opening them or their attachments which can launch the virus.
In addition, avoid visiting third-party websites such as ones that are filled with pornography or gambling. These kinds of pages come from secondary sources and do not fit the security requirements. Also, protect your computer system at a higher level - install an antivirus program and make sure it is always kept up-to-date.
How to remove Work.hta
A loader's job is to install other malware, so treat the PC as infected with more than one program until the scans are clean.
Step 1: Delete scheduled tasks that bring it back
Programs like Work.hta add a scheduled task so they return after an uninstall or reopen a page at every sign-in. Start Task Scheduler, open Task Scheduler Library and sort by Last Run Time to see what ran recently.
On the Actions tab, a program in a user folder, a script or a web address is a warning sign; right-click such a task and choose Delete.
Tasks with names copying Google, Edge or Windows updaters but pointing to an odd folder are typical. The tool looks the same in Windows 11 and Windows 10.

Windows 11: Task Scheduler Library, the task selected, the Actions tab shows the file it runs. Full procedure with screenshots: Remove what malware leaves behind in Windows
Step 2: Remove it from startup
Press Ctrl + Shift + Esc to open Task Manager and select Startup apps (Windows 11) or the Startup tab (Windows 10). Disable entries you do not recognise, especially ones with no publisher or with a name that copies a Windows component.
Right-click an entry and choose Open file location to see where it runs from: programs in
%AppData%or%Temp%deserve a closer look. Some entries are not listed there but in the registry Run keys, which the procedure below shows how to check.Full procedure with screenshots: Stop apps from opening at startup On uGetFix
Step 3: Delete the folders left behind
Uninstalling often leaves the program's folders, and some threats reinstall themselves from them.
Press Windows + R, type
%LocalAppData%and press Enter, then do the same for%AppData%and %ProgramData%, and look for folders named after Work.hta, its publisher or created on the day the problem started. Delete those folders, and check C:\Program Files and C:\Program Files (x86) too.If Windows says a file is in use, end it in Task Manager or delete the folder after a restart in Safe Mode. The folders are the same in Windows 11 and Windows 10.
Full procedure with screenshots: Remove what malware leaves behind in Windows
Step 4: Scan the PC, then run the offline scan
A scan finds the parts of Work.hta that the manual steps cannot see. In Windows Security > Virus & threat protection > Scan options, start a Full scan and quarantine what it reports.
Follow it with Microsoft Defender Antivirus (offline scan) > Scan now, which restarts the PC and checks the disk while Windows and the malware are not running.
It takes about 15 minutes and works the same in Windows 11 and Windows 10. If either scan finds something, run the full scan again after removal until it comes back clean.

Windows 11: Windows Security > Virus & threat protection > Scan options. Full procedure with screenshots: Run a Microsoft Defender Offline scan
Step 5: Change passwords from another device and sign out other sessions
Work.hta can copy saved passwords, cookies and session tokens and send them out in seconds, so cleaning the PC does not undo the theft.
Change your passwords on a device that was never infected, starting with the e-mail account, since every other reset goes through it. On each account, end all other sessions and check the recovery e-mail, phone number and forwarding rules.
Then turn on two-step verification. Sign in on the Windows 11 or Windows 10 PC again only after the offline scan is clean.
Full procedure with screenshots: Turn on two-step verification / secure a hacked account
Instructions for each browser and system
The detailed steps for every browser and system this guide covers. Open the one you use.
Manual removal using Safe Mode
Important! →
Manual removal guide might be too complicated for regular computer users. It requires advanced IT knowledge to be performed correctly (if vital system files are removed or damaged, it might result in full Windows compromise), and it also might take hours to complete. Therefore, we highly advise using the automatic method provided above instead.
Step 1. Access Safe Mode with Networking
Manual malware removal should be best performed in the Safe Mode environment.
Windows 7 / Vista / XP
- Click Start > Shutdown > Restart > OK.
- When your computer becomes active, start pressing F8 button (if that does not work, try F2, F12, Del, etc. - it all depends on your motherboard model) multiple times until you see the Advanced Boot Options window.
- Select Safe Mode with Networking from the list.

Windows 10 / Windows 8
- Right-click on Start button and select Settings.

- Scroll down to pick Update & Security.

- On the left side of the window, pick Recovery.
- Now scroll down to find Advanced Startup section.
- Click Restart now.

- Select Troubleshoot.
- Go to Advanced options.

- Select Startup Settings.

- Press Restart.
- Now press 5 or click 5) Enable Safe Mode with Networking.

Step 2. Shut down suspicious processes
Windows Task Manager is a useful tool that shows all the processes running in the background. If malware is running a process, you need to shut it down:
- Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
- Click on More details.

- Scroll down to Background processes section, and look for anything suspicious.
- Right-click and select Open file location.

- Go back to the process, right-click and pick End Task.

- Delete the contents of the malicious folder.
Step 3. Check program Startup
- Press Ctrl + Shift + Esc on your keyboard to open Windows Task Manager.
- Go to Startup tab.
- Right-click on the suspicious program and pick Disable.

Step 4. Delete virus files
Malware-related files can be found in various places within your computer. Here are instructions that could help you find them:
- Type in Disk Cleanup in Windows search and press Enter.

- Select the drive you want to clean (C: is your main drive by default and is likely to be the one that has malicious files in).
- Scroll through the Files to delete list and select the following:
Temporary Internet Files
Downloads
Recycle Bin
Temporary files - Pick Clean up system files.

- You can also look for other malicious files hidden in the following folders (type these entries in Windows Search and press Enter):
%AppData%
%LocalAppData%
%ProgramData%
%WinDir%
After you are finished, reboot the PC in normal mode.
From our report of Aug 2018 · not reviewed since
Be careful when you are trying to get rid of Work.hta virus
To remove Work.hta virus, you will need to download and install the latest version of reputable anti-malware.
It will help you deal with the cyber threat professionally and will also prevent virus reappearance in the future. Use programs such as , , or for such purpose. Due to the virus's harmful features and ability to hide, manual elimination is not an option and we do NOT recommend considering it.
After you perform the Work.hta removal, be sure to check if all virus-related components are successfully deleted from your computer. Repeat the scan and check the report carefully. If you sued Safe Mode with Networking or System Restore to disable malware on your computer, repeat the scan when on normal mode.
[GI=method-1]Reboot your computer to Safe Mode with Networking to disable Work.hta virus:
[GI=method-2]Activate the System Restore feature to recover your system and repeat the scan:
After removal: passwords, accounts and prevention
Secure your accounts after the clean-up
Assume that whatever was saved in the browsers on this PC while the PC showed work.hta in the list of installed apps has been copied:
- passwords
- cookies
- autofill data
Work from a clean device, or from this PC once the offline scan finds nothing.
Start with your main e-mail account, because it can reset everything else, then banking and payment, then social and gaming accounts. Change each password, sign out of all sessions and turn on two-step verification: Turn on two-step verification / secure a hacked account.
The full order, including crypto wallets and card replacement, is in securing your accounts after malware.
Choose a proper web browser and improve your safety with a VPN tool
Online spying has got momentum in recent years and people are getting more and more interested in how to protect their privacy online.
One of the basic means to add a layer of security - choose the most private and secure web browser. Although web browsers can't grant full privacy protection and security, some of them are much better at sandboxing, HTTPS upgrading, active content blocking, tracking blocking, phishing protection, and similar privacy-oriented features.
However, if you want true anonymity, we suggest you employ a powerful VPN - it can encrypt all the traffic that comes and goes out of your computer, preventing tracking completely.
Lost your files? Use data recovery software
While some files located on any computer are replaceable or useless, others can be extremely valuable.
Family photos, work documents, school projects - these are types of files that we don't want to lose. Unfortunately, there are many ways how unexpected data loss can occur:
- power cuts
- Blue Screen of Death errors
- hardware failures
- crypto-malware attack
- even accidental deletion
To ensure that all the files remain intact, you should prepare regular data backups. You can choose cloud-based or physical copies you could restore from later in case of a disaster. If your backups were lost as well or you never bothered to prepare any, can be your only hope to retrieve your invaluable files.
Questions about Work.hta
Can I safely uninstall Work.hta?
If you did not install Work.hta yourself and it is not part of your hardware or a program you rely on, yes. Uninstalling an unwanted program does not harm Windows. Before you do, search the exact name and publisher to be sure it is not a driver tool, a printer utility or a game launcher with an odd name.
Then remove it from Settings, Apps, Installed apps. Ignore any offers or warnings in its uninstaller about losing protection or performance. Afterwards check Startup apps and your browsers for leftovers, and restart once to confirm that it does not reinstall itself.
Work.hta will not uninstall. What can I do?
First restart the PC and try again, because the program may have been running and locked its own files. If the uninstaller is missing or fails, start Windows in Safe Mode, where most third-party programs do not start, and remove Work.hta from Installed apps there.
If it still refuses, delete its startup entry and its scheduled task, restart, and try once more. A program that actively prevents removal is behaving like malware, so finish with a Microsoft Defender offline scan. Avoid third-party uninstallers offered on search ads; several of them are unwanted programs themselves.
How do I know if my PC has Work.hta?
Often you do not, which is the point of a trojan. Possible signs are an antivirus alert naming Work.hta or a generic trojan detection, unknown programs or scheduled tasks, processes with random names in Task Manager, browser extensions you did not add, security settings turned off, slower performance, or account alerts about logins from unknown places.
The reliable check is a full scan followed by Microsoft Defender's offline scan. If you recently ran a crack, a fake installer or a command a website told you to paste, scan even without symptoms.
Should I report Work.hta?
Report it if you lost money, if accounts were taken over, if you are a business, or if the trojan came through a scam call. A police or national cybercrime report gives you a reference number for your bank and insurer and helps link cases.
You do not need to report a trojan that antivirus blocked before it ran. Before reporting, write down the dates, the detection name, file names and any messages or transactions linked to the attack; screenshots of antivirus alerts are useful evidence. The country list is in the report section above.
Do I need to reinstall Windows to get rid of Work.hta?
Usually not. A thorough clean-up is enough when the offline scan finds nothing afterwards and you do not see work.hta in the list of installed apps again. A reset is the safer choice if an attacker had remote control, if security tools were switched off, or if detections come back after every clean-up.
Windows 11 can reset itself without a USB stick under Settings > System > Recovery > Reset this PC. Copy documents and photos out first and scan the copies. A reset does not change passwords or undo stolen data, so the account steps still apply.
Is it safe to do online banking after seeing work.hta in the list of installed apps?
Not on that PC until it is clean. A program that produces work.hta in the list of installed apps runs with your rights and could read what you type or what the browser shows. Use a phone or another computer for banking and for changing passwords.
When the offline scan of the affected PC is clean and nothing suspicious starts with Windows any more, you can go back to using it. Check your bank statements for the past weeks either way, and call the bank if anything looks unfamiliar; banks can block cards and reset access quickly.
I found AnyDesk or ScreenConnect that I did not install. Is that Work.hta?
Not necessarily Work.hta, but it is a warning sign. These are legitimate remote support tools, and criminals use them as ready-made backdoors, especially after tech support scams or fake invoice calls.
If you did not install it and no one you trust set it up, uninstall it, change passwords from a clean device and check your bank account. If someone connected to your PC through it, follow the steps for remote access trojans and consider a Windows reset. Installed apps sorted by date shows when it appeared.
My antivirus was on. How did a trojan get past it?
Antivirus programs see a file only when it is written or run, and criminals test each new build against popular scanners before release. Detection catches up within hours or days, which is often after the first victims ran it.
Archives with passwords, installers that fetch the malware later, and scripts run through PowerShell make the job harder. That is why behaviour such as downloading cracks or pasting commands matters more than any setting. Keep Windows and Defender updated, and turn on Reputation-based protection in App & browser control.
Is Work.hta a known trojan?
Not as a documented family, at least not yet. What is known is the visible sign, work.hta in the list of installed apps, which matches a hidden program working for someone else.
New threats are often seen by victims weeks before researchers publish anything about them. Treat Work.hta as you would any trojan:
- remove what starts it
- run an offline scan
- change passwords from another device
If a scan reports a detection name, keep it; it usually reveals the family and whether it is known to download other malware. We update this guide when an analysis appears.
Will Fortect remove Work.hta?
Fortect scans Windows for malware and unwanted programs and repairs the system files and settings they change, and its free scan shows what it finds on your PC before you decide anything.
For Work.hta, follow the plan above as well: the browser steps take back permissions and settings that no scanner treats as a threat, and uninstalling the program that brought it removes the source.
Run Microsoft Defender's full scan and, if anything was found, its offline scan as a second opinion. If the symptoms are gone after the plan and both scans are clean, there is nothing more to do.
Sources
- Wikipedia: Trojan horse (computing) (read October 6, 2026)
- Norton: What is ransomware? (read October 6, 2026)
- ZoderVirus: ZonderVirus (read October 6, 2026)
- FTC: How to recognize, remove and avoid malware (read October 6, 2026)
- Microsoft Learn: Microsoft Defender Offline (read October 6, 2026)