Amazon 1Button App – potentially unwanted app that can be detected as pup.optional.amazon1button

Amazon 1Button App (alternative names are The Amazon Browser Bar and Amazon Assistant Toolbar) is a seemingly useful application which notifies its users about the latest online shopping deals and discounts. Besides, with its help they can create wish lists and use other practical features. However, some antivirus tools (for example, Malwarebytes) have started detecting this app as pup.optional.amazon1button.
The main reason why your security software reports Amazon Toolbar as a potentially unwanted program (PUP) and, more precisely, an adware, is that it has been relying on a questionable distribution technique called bundling. This distribution method helps Amazon 1Button App enter computers together other free programs without asking for users' permission directly.
For over a year, this suspicious app has only been compatible with Internet Explorer. However, at the moment of writing, there are already reports about Amazon1Button app appearance on Google Chrome, Mozilla Firefox, and Safari web browsers too. Dievien.de team[1] claims that many German-speaking users have installed the extension on their browsers unknowingly.
To make matters even worse, it has even be adapted to smartphones, tablets and can run both on Windows and Mac OS. Once installed, PUP.optional.amazon1button starts running AmazonBrowserBar.3.0.dll process in the Windows Task Manager and may additionally install a random add-ons, browser extensions or toolbars[2] on any of the infected browsers.
Most of these programs are useless and designed solely for the purpose of monitoring your browsing patterns and collecting your non-personally identifiable information.
This information is needed so that the adware can generate related ads. In particular, Amazon 1Button App ads will relate their headers and context to your recently visited websites, viewed pages and the information searched via search engines. What is more, these ads will appear in large amounts and chase you everywhere.

Issues caused by the potentially unwanted program
Be careful not to click on the ads if you do not want to end up on some poor reputation websites. Besides, the gathered information can easily be shared by other third parties because the app's Terms and Conditions simply do not state otherwise. For this reason alone Amazon 1Button App removal should not even be questioned.
It's also worth mentioning that some people have reported about Amazon 1Button App redirect issue. Even though this adware may provide you with personalised ads, they might actually lead you to completely unrelated websites. For instance, an ad which offers good deal on a new car may send you to a shady gambling or software download site.
Make sure you leave such domain immediately and run a scan of your computer with reputable antivirus software. Ignoring the redirects and succumbing to any online deal you may be offered can end up really unpleasantly. You may even find yourself with some ransomware on your PC![3]
Despite all these facts, Amazon1Button malware is still a partially legitimate program that may really seem useful for some people. Nevertheless, you should carefully weight the fact that this program is usually distributed along with other potentially unwanted programs, such as KMPlayer, Movie Wizard, MixVideoPlayer, Local Temperature and many other.
In case you have already installed it along with another freeware or potentially unwanted app, remove Amazon 1Button App without any delay. If your PC runs Windows, we recommend you to use FortectIntego, which has always showed great results in PUP, virus and malware detection. If you are using Mac OS, the try using SpyHunterCombo Cleaner.
Beware that some anti-malware engines detect the described toolbar as IronInstall Toolbar Amazon or PUP.optional.amazon1button. If your security program detected it and suggested its removal, do not hesitate for a minute.
You can prevent installation of Amazon Assistant easily
You may start receiving ads by Amazon One Button App whether you want them or not. That's because this app is typically distributed via legitimate freeware and shareware installers or as an addition to other potentially unwanted programs.
- In order to detect and opt out Amazon 1 Button App and other additional components that might be added to your downloaded software package, you must select “Advanced” or “Custom” installation option and check everything step-by-step.
- DO NOT click the “Next” button if you are not hundred percent sure with what terms you agree with. Otherwise, you may accept Amazon Assistant and its counterparts without having an intention to install them.
- By the way, we always recommend people to read EULA, Privacy Policy and any other information that you manage to find about your selected program because that may help you to decide whether it is reliable or not.
Amazon 1Button App removal methods
In case, you have already been tricked into installing this app on your computer, you have two options. You can either follow the guide that is given at the end of the article and remove the infection manually or you can employ one of the anti-malware utilities we suggest below to remove Amazon 1Button App virus from your PC automatically.
Both options have their benefits and drawbacks, but if you are looking for a thorough system clean up, we should definitely suggest sticking to the latter one. Following the manual Amazon 1Button App removal guide not disclose or allow you to remove any other junk files or programs that might have entered your PC apart from AmazonAssistant Toolbar. Only a full system scan with an updated antivirus utility will get things settled.
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.

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