Remove JS/Adware.Subprop.E (Virus Removal Instructions)

JS/Adware.Subprop.E – a detection name for a potentially unwanted program on a Windows machine

JS/Adware.Subprop.E

JS/Adware.Subprop.E is a heuristic^[1] detection name given an adware app that might have accessed your PC without permission. Adware belongs to a category of potentially unwanted programs that use deceptive distribution techniques and install components that would display popups, fleshing windows, in-text links, banners, and other types of ads on Google Chrome, Mozilla Firefox, MS Edge, or another web browser.

Since JS/Adware.Subprop.E virus name is generic, it means that many differently-named apps can be detected as such. Antivirus programs provide such names to unwanted apps based on their behavior rather than other factors, such as the signature of the installer. A “JS” part stands for JavaScript,^[2] which means that malicious JS files could be populated on various sites and would otherwise attempt to load an ad or, in some cases, download files to your computer automatically.

Name	JS/Adware.Subprop.E
Type	Adware, potentially unwanted program
Distribution	Software bundles, third-party websites, deceptive ads, fake Flash Player updates
Symptoms	Symptoms are not universal. If adware managed to get into your device, you might see changed browser settings, increased number of ads, slow browser loading times, etc.
Dangers	Adware can significantly decrease the performance of the internet and browser speed, redirect to potentially malicious websites, prevent finding relevant information due to ads, result in additional PUP infections and monetary losses
Elimination	To get rid of unwanted apps manually, you can follow our removal guide below. If the unwanted ads and other disruptive behavior does not stop, you should scan your computer with security software and delete all threats automatically
Further steps	Malware or adware infections can diminish the performance of your computer or cause serious stability issues. Use Fortect Intego to remediate your device and ensure that the virus damage is fixed

Although adware is not considered to be as dangerous as, for example, a Trojan or ransomware, it is still a security threat, so you should immediately proceed with JS/Adware.Subprop.E removal if your security software has flagged it. If you cannot quarantine the malicious file with your currently-installed anti-malware, we suggest you try SpyHunter Combo Cleaner or Malwarebytes Malwarebytes.

Adware's operation on the computer may vary, as there are hundreds of thousands of different programs available, and new ones are developed every day. Some might merely change your web browser settings and append a customized search engine, while others might establish persistence by modifying the Windows registry or other Windows components. In some cases, security software is not capable of fixing Windows system files, so we recommend using Fortect Intego to avoid operational problems after a malware infection.

There are several ways of how JS/Adware.Subprop.E adware could spread around the internet. Experts claim that the following methods are used most frequently:

software bundles;
deceptive ads;
fake updates.

In general, there are various scenarios when you could encounter a warning from your security software. If you attempted to download an app from an unsolicited source, you could have received a pop-up from your anti-virus, claiming that JS/Adware.Subprop.E is attempting to penetrate your system.

In other cases, the warning could show up after you got redirected to a malicious website. This could also mean two things: either you clicked on a suspicious link/visited a malicious site, or you already have adware installed on your machine (which is causing these redirects).

JS/Adware.Subprop.E virus

The problem with generic detections is that they suffer from a high number of false-positives and JS/Adware.Subprop.E is not an exception. Quite often, users say that they were attempting to download a fully legitimate application from the developer's official website, and they received a warning from their security tool. Mistakes happen because security apps mistakenly detect some patterns that might be considered suspicious, hence the false-positives.

Therefore, you should not immediately remove JS/Adware.Subprop.E if you believe that the file you were downloading is safe. Instead, update your anti-malware, or scan it with an alternative engine. Do not forget that each of the detections should not be ignored and investigated fully.

If it turned out that JS/Adware.Subprop.E virus is not a false positive, get rid of it immediately by sending it to quarantine and then removing it from the system immediately.

Adware can be spread in many different ways

Adware is a part of the potentially unwanted program category, and it is called so for a reason. Previously called spyware, adware managed to get itself a name within the software development and distribution business. Since, due to legal reasons, such programs cannot be called “malware,” security vendors use this name in order to warn its users about some potentially dangerous or unwanted features that the app can bring after the installation. This is why keeping up-to-date security software on the computer is so important.

All in all, you should avoid adware like a plague, as its functionality is very limited, if not useless. In the meantime, you would get ads, ads everywhere! In the background, such apps are there to spy on your online, so you are risking your privacy as well. Thus, prevent the unintentional installation of adware with the help of these tips from novirus.uk^[3] security experts:

Try to avoid third-party websites when downloading new software;
Never download pirated programs or software cracks – these might result in the installation of malware, such as Agho ransomware;
During the installation, always opt for Advanced/Custom settings instead of Recommended/Quick ones;
Remove the ticks from pre-ticked checkboxes;
Read the fine print;
Watch out for misplaced buttons and deceptive offers.

Remove JS/Adware.Subprop.E if it is not a false positive

JS/Adware.Subprop.E removal can sometimes be perfumed manually – especially if you know which program is responsible for unwanted behavior. If you are unaware of how to uninstall programs from your computer, please follow the instructions we provide below. Also, after you get rid of adware, it is advised you also clean your web browsers by deleting cookies and other web data. You can also reset Chrome or other affected browsers if necessary.

If you received a popup from your security software seemingly out of nowhere, you should remove JS/Adware.Subprop.E virus immediately, as it might mean that a malicious script is trying to break in. Alternatively, if you are unable to delete the infection with your current anti-malware software, we suggest you rely on alternatives.

Finally, if you suspect that JS/Adware.Subprop.E is a false positive, you should update definitions of your security software and the app in question (if it is already installed). If nothing works, add the app as exclusion or contact the security vendor to fix the issue for you.

Uninstall from Windows

Uninstall from Windows 10/8:

Type Control Panel into the Windows search box and open the result.
Under Programs, select Uninstall a program.

Uninstall from Windows 7/XP:

Click on Windows Start > Control Panel (Windows XP users should click on Add/Remove Programs).
In Control Panel, select Programs > Uninstall a program.

Remove the unwanted program:

In the Programs and Features window, look for any recently installed suspicious entries, select them, and click Uninstall.
If User Account Control appears, click Yes to confirm, then complete the removal.

Delete from macOS

Remove the unwanted application:

From the menu bar, select Go > Applications.
In the Applications folder, look for any suspicious entries, then drag them to Trash (or right-click and pick Move to Trash).

Delete leftover files and folders:

Select Go > Go to Folder.
Enter /Library/Application Support and remove any suspicious folders related to the unwanted program.
Repeat the same check in the /Library/LaunchAgents and /Library/LaunchDaemons folders, deleting any suspicious entries.
Finally, empty the Trash to permanently remove the leftovers.

Reset Internet Explorer

Remove dangerous add-ons:

Open Internet Explorer, click on the Gear icon (IE menu) on the top-right corner of the browser
Pick Manage Add-ons.
You will see a Manage Add-ons window. Here, look for suspicious plugins. Click on these entries and select Disable.

Change your homepage if it was altered:

Open IE and click on the Gear icon.
Select Internet Options.
In the General tab, delete the Home page address and replace it by your preferred one (for example, Google.com).
Click Apply and then select OK.

Delete temporary files:

Press on the Gear icon and select Internet Options.
Under Browsing history, click Delete...
Select relevant fields and press Delete.

Reset Internet Explorer:

Click on Gear icon > Internet options and select Advanced tab.
Select Reset.
In the new window, check Delete personal settings and select Reset.

Remove from Microsoft Edge

Delete unwanted extensions from MS Edge:

Select Menu (three horizontal dots at the top-right of the browser window) and pick Extensions.
From the list, pick the extension and click on the Gear icon.
Click Remove.

Clear cookies and other browser data:

Click on the Menu (three horizontal dots at the top-right of the browser window) and select Settings > Privacy, search, and services..
Under Clear browsing data, pick Choose what to clear.
Select Cookies and other site data and Cached images and files. (apart from passwords, although you might want to include Media licenses as well, if applicable) and click on Clear.

Restore new tab and homepage settings:

Click the menu icon and choose Settings.
Then find On startup section.
Click Remove next to any suspicious startup page.

Reset MS Edge if the above steps did not work:

Press on Ctrl + Shift + Esc to open Task Manager.
Click on More details arrow at the bottom of the window.
Select Details tab.
Now scroll down and locate every entry with Microsoft Edge name in it. Right-click on each of them and select End Task to stop MS Edge from running.

Instructions for Chromium-based Edge

Delete extensions from MS Edge (Chromium):

Open Edge and click select Settings > Extensions.
Delete unwanted extensions by clicking Remove.

Clear cache and site data:

Click on Menu and go to Settings.
Select Privacy, search and services.
Under Clear browsing data, pick Choose what to clear.
Under Time range, pick All time.
Select Clear now.

Reset Chromium-based MS Edge:

Click on Menu and select Settings.
On the left side, pick Reset settings.
Select Restore settings to their default values.
Confirm with Reset.
This will disable extensions and reset startup pages but will not delete bookmarks, saved passwords, or browsing history.

Remove from Mozilla Firefox (FF)

Remove dangerous extensions:

Open Mozilla Firefox browser and click on the Menu (three horizontal lines at the top-right of the window).
Select Add-ons.
In here, select the unwanted extension and click Remove.

Reset the homepage:

Click three horizontal lines at the top right corner to open the menu.
Choose Settings.
Under Home, set your preferred homepage and new tab settings.

Clear cookies and site data:

Click Menu and pick Settings.
Go to Privacy & Security section.
Scroll down to locate Cookies and Site Data.
Click on Clear Data...
Select Cookies and Site Data and Temporary cached files and pages, then click Clear.

Reset Mozilla Firefox

If clearing the browser as explained above did not help, reset Mozilla Firefox:

Open Mozilla Firefox browser and click the Menu.
Go to Help and then choose Troubleshooting Information.
Under Give Firefox a tune up section, click on Refresh Firefox...
Once the pop-up shows up, confirm the action by pressing on Refresh Firefox.

Remove from Google Chrome

Delete malicious extensions from Google Chrome:

Open Google Chrome, click on the Menu (three vertical dots at the top-right corner) and select More tools > Extensions.
In the newly opened window, you will see all the installed extensions. Uninstall all suspicious extensions related to the unwanted program by clicking Remove.

Clear cache and web data from Chrome:

Click on Menu and pick Settings.
Under Privacy and security, select Clear browsing data.
Select Browsing history, Cookies and other site data, as well as Cached images and files.
Click Clear data.

Change your homepage:

Click menu and choose Settings.
Look for a suspicious site in the On startup section.
Click on Open a specific or set of pages and click on three dots to find the Remove option.

Reset Google Chrome:

If the previous methods did not help you, reset Google Chrome to eliminate all the unwanted components:

Click on Menu and select Settings.
In the Settings, scroll down and click Advanced.
Scroll down and locate Reset and clean up section.
Now click Restore settings to their original defaults.
Confirm with Reset settings.

Delete from Safari

Remove dangerous extensions:

Open Safari, click Safari in the menu at the top-left of the screen, and select Preferences.
Go to the Extensions tab, look for any suspicious entries, and click Uninstall to remove them.

Clear history and website data:

Click Safari in the menu and pick Clear History.
Set Clear to all history and confirm with Clear History.

Reset Safari:

Click Safari in the menu and select Preferences > Advanced.
Enable Show Develop menu in menu bar.
From the menu bar, click Develop and select Empty Caches.

How to remove JS/Adware.Subprop.E

JS/Adware.Subprop.E – a detection name for a potentially unwanted program on a Windows machine

Adware can be spread in many different ways