How to remove Gallery adware from the operating system
Written by Tomas Meskauskas on (updated)
What kind of software is Gallery?
While examining a suspicious page, we discovered an unreliable application called Gallery. After downloading and installing this app, we learned that it generates advertisements (it functions as adware). We also noticed several processes named "nwjs" running in the Task manager while the Gallery app was launched.
Gallery adware in detail
The Gallery app can show advertisements (e.g., banners, pop-ups, coupons, surveys, and other advertising material) designed to open shady web pages. Those pages can be designed to trick visitors into providing sensitive information (e.g., passwords, credit card details), downloading potentially malicious apps, purchasing fake/unnecessary services, products, etc.
It is worth mentioning that installers containing apps like Gallery can include other unwanted apps, for example, browser hijackers. Also, apps like Gallery can be designed to track users (collect browsing data, read passwords, banking information, and other details).
| Name | Ads by Gallery |
| Threat Type | Adware |
| Detection Names (ISO File) | N/A (VirusTotal) |
| Detection Names (Gallery Application) | N/A (VirusTotal) |
| Symptoms | Your computer becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites. |
| Distribution methods | Deceptive pop-up ads, free software installers (bundling), fake Flash Player installers, torrent file downloads. |
| Damage | Internet browser tracking (potential privacy issues), display of unwanted ads, redirects to dubious websites, loss of private information. |
| Malware Removal (Windows) | To eliminate possible malware infections, scan your computer with legitimate antivirus software. Our security researchers recommend using Combo Cleaner. |
Adware in general
Adware (also known as advertising-supported software) shows annoying ads. Users rarely download and install such software intentionally. Sometimes, adware can hijack a web browser and gather data. A big part of adware-type apps is promoted as useful, legitimate applications.
More adware examples are DisLight, ClickDark, and refresh color.
How did adware install on my computer?
Gallery is distributed via a deceptive page (a screenshot is provided below). That page displays a message saying that a file is ready to be downloaded. It downloads an ISO file containing four files. One of those files is the installer. Gallery gets installer after completing the installation steps provided in the executed installer.
In other cases, adware is distributed via software bundles (software installers), fake installers, deceptive advertisements, etc. Users install adware alongside other software after they complete installations without changing "Advanced", "Custom", or similar settings provided in installers.
How to avoid installation of unwanted applications?
Do not use questionable websites, third-party downloaders, P2P networks, and similar sources to download apps or files. Download software from official web pages and stores. Never agree to receive notifications from suspicious websites. Do not trust ads appearing on shady pages. Deselect unwanted apps before downloading and installing software.
If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
Deceptive website that downloads an ISO file containing the installer for Gallery adware:
Gallery's process in Windows Task Manager ("nwjs"):
Instant automatic malware removal:
Manual threat removal might be a lengthy and complicated process that requires advanced IT skills. Combo Cleaner is a professional automatic malware removal tool that is recommended to get rid of malware. Download it by clicking the button below:
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Quick menu:
- What is Gallery?
- STEP 1. Uninstall adware applications using Control Panel.
- STEP 2. Remove rogue plug-ins from Google Chrome.
- STEP 3. Remove adware-type extensions from Mozilla Firefox.
- STEP 4. Remove malicious extensions from Safari.
- STEP 5. Remove rogue plug-ins from Microsoft Edge.
Adware removal:
Windows 11 users:
Right-click on the Start icon, select Apps and Features. In the opened window search for the application you want to uninstall, after locating it, click on the three vertical dots and select Uninstall.
Windows 10 users:
Right-click in the lower left corner of the screen, in the Quick Access Menu select Control Panel. In the opened window choose Programs and Features.
Windows 7 users:
Click Start (Windows Logo at the bottom left corner of your desktop), choose Control Panel. Locate Programs and click Uninstall a program.
macOS (OSX) users:
Click Finder, in the opened screen select Applications. Drag the app from the Applications folder to the Trash (located in your Dock), then right click the Trash icon and select Empty Trash.
In the uninstall programs window, look for unwanted applications, select these entries and click "Uninstall" or "Remove".
After uninstalling the unwanted application, scan your computer for any remaining unwanted components or possible malware infections. To scan your computer, use recommended malware removal software.
Remove adware from Internet browsers:
Video showing how to remove unwanted browser add-ons:
Remove malicious extensions from Google Chrome:
Click the Chrome menu icon 
(at the top right corner of Google Chrome), select "More tools" and click "Extensions". Locate all recently-installed suspicious extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the ads by gallery, reset your Google Chrome browser settings. Click the Chrome menu icon (at the top right corner of Google Chrome) and select Settings. Scroll down to the bottom of the screen. Click the Advanced… link.
After scrolling to the bottom of the screen, click the Reset (Restore settings to their original defaults) button.
In the opened window, confirm that you wish to reset Google Chrome settings to default by clicking the Reset button.
Remove malicious plug-ins from Mozilla Firefox:
Click the Firefox menu 
(at the top right corner of the main window), select "Add-ons and themes". Click "Extensions", in the opened window locate all recently-installed suspicious extensions, click on the three dots and then click "Remove".
Optional method:
Computer users who have problems with ads by gallery removal can reset their Mozilla Firefox settings.
Open Mozilla Firefox, at the top right corner of the main window, click the Firefox menu, in the opened menu, click Help.
Select Troubleshooting Information.
In the opened window, click the Refresh Firefox button.
In the opened window, confirm that you wish to reset Mozilla Firefox settings to default by clicking the Refresh Firefox button.
Remove malicious extensions from Safari:
Make sure your Safari browser is active, click Safari menu, and select Preferences....
In the opened window click Extensions, locate any recently installed suspicious extension, select it and click Uninstall.
Optional method:
Make sure your Safari browser is active and click on Safari menu. From the drop down menu select Clear History and Website Data...
In the opened window select all history and click the Clear History button.
Remove malicious extensions from Microsoft Edge:
Click the Edge menu icon 
(at the upper-right corner of Microsoft Edge), select "Extensions". Locate all recently-installed suspicious browser add-ons and click "Remove" below their names.
Optional method:
If you continue to have problems with removal of the ads by gallery, reset your Microsoft Edge browser settings. Click the Edge menu icon (at the top right corner of Microsoft Edge) and select Settings.
In the opened settings menu select Reset settings.
Select Restore settings to their default values. In the opened window, confirm that you wish to reset Microsoft Edge settings to default by clicking the Reset button.
- If this did not help, follow these alternative instructions explaining how to reset the Microsoft Edge browser.
Summary:
Commonly, adware or potentially unwanted applications infiltrate Internet browsers through free software downloads. Note that the safest source for downloading free software is via developers' websites only. To avoid installation of adware, be very attentive when downloading and installing free software. When installing previously-downloaded free programs, choose the custom or advanced installation options – this step will reveal any potentially unwanted applications listed for installation together with your chosen free program.
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Frequently Asked Questions (FAQ)
What harm can adware cause?
Typically, adware diminishes the Internet browsing experience by showing ads that cover the contents of visited pages. It can also slow down a computer and invade privacy (or hijack a web browser).
What does adware do?
Even when adware is promoted as useful/legitimate software (and includes some features), it shows annoying advertisements. In addition to that, adware can function as a browser hijacker and gather information about users.
How do adware developers generate revenue?
One of the most popular ways to monetize adware is to participate in affiliate programs and promote products, pages, services, etc.
Will Combo Cleaner remove Gallery adware?
Yes, Combo Cleaner will scan your computer and eliminate all adware-type applications and their files/components. It is recommended to remove adware automatically with specialized software. Manual removal can be difficult - data belonging to adware may remain in the system even after the removal.
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