How to remove BosTaurus malicious extension from browsers
Written by Tomas Meskauskas on
What kind of application is BosTaurus?
After examination, it has been established that BosTaurus is an untrustworthy extension. It is disseminated through a malicious installer and has the capability to seize control of a browser. Moreover, it can access diverse data and manipulate other extensions and themes. Users are advised against adding BosTaurus to their browsers.
BosTaurus in detail
Once added, BosTaurus enables the "Managed by your organization" feature (on Chrome or Edge browser). Typically, when this setting is enabled, it signifies that the browser is under the management of an organization, and users may have limited control over certain configurations. When an extension like BosTaurus activates this setting, it poses significant threats to user privacy, security, and overall browsing experience.
Once the "Managed by your organization" feature is activated by a dubious app like BosTaurus, it may grant the extension elevated privileges and the ability to manipulate various browser settings. This can include altering the default search engine, modifying the homepage URL, preventing users from visiting certain pages, and more.
Also, BosTaurus can read and modify data on all websites, which raises serious concerns about user security and privacy. The extension could intercept sensitive information, such as login credentials and personal data, exchanged on various websites. Additionally, this allows for unauthorized alterations of web content, leading to deceptive displays and injected advertisements.
Furthermore, BosTaurus can manipulate the visual appearance of the browser through theme management. Additionally, it may control the installation, removal, or modification of other extensions, potentially leading to unwanted changes in functionality and introducing security vulnerabilities.
Lastly, the installer distributing BosTaurus contains other unwanted apps, such as the Chromstera browser. It is possible that the distribution of BosTaurus also involves browser hijackers, adware, or other shady programs.
| Name | BosTaurus unwanted application |
| Threat Type | Malicious Extension |
| Detection Names (Installer) | Avast (FileRepMalware [Misc]), AVG (FileRepMalware [Misc]), Gridinsoft (PUP.Win32.Chromnius.dg!c), Kaspersky (Not-a-virus:HEUR:AdWare.Win32.WebCompanion.gen), Sangfor Engine Zero (Trojan.Win32.Agent.V7b9), Full List (VirusTotal) |
| Symptoms | The "Managed by your organization" feature is activated in Chrome and Edge browsers, Chromstera browser is installed, your computer becomes slower than normal, you see unwanted pop-up ads, you are redirected to dubious websites. |
| Distribution methods | Dubious websites, malicious installers, deceptive pop-up ads, free software installers (bundling), 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. |
Conclusion
In conclusion, BosTaurus presents notable risks to user privacy and security. Users are advised to exercise caution and consider removing the extension to ensure a secure and reliable browsing environment. Regularly reviewing and monitoring installed extensions remains essential in maintaining a safe online experience.
Examples of similar applications are SylvilagusFloridanus, GorillaBeringei, and AltocumulusStratiformis.
How did unwanted software install on my computer?
BosTaurus is distributed through a malicious installer hosted on a dubious webpage. It becomes added to Chrome (or Edge) upon completion of the installation. Another prevalent method involves bundling the unwanted app with seemingly legitimate software. Users might overlook installation settings or checkboxes, unknowingly accepting the installation or addition of dubious apps.
Furthermore, unreliable apps like BosTaurus can be added or installed on systems via deceptive advertisements, misleading websites, fake software updates, P2P networks, third-party app stores, etc.
How to avoid installation of unwanted applications?
Exercise caution when obtaining software, and give preference to official and reputable sources such as official websites and app stores. Avoid downloading applications from questionable websites or third-party app stores, and steer clear of clicking on links provided in suspicious emails, pop-ups, ads, etc.
Use "Advanced" or "Custom" settings (if available) whenever you install new programs, and deselect any bundled or unwanted apps. Additionally, make it a priority to keep both the operating system and security software consistently updated. If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
Website distributing the installr containing BosTaurus:
BosTaurus app information:
BosTaurus on Edge browser:
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 BosTaurus?
- STEP 1. Uninstall unwanted applications using Control Panel.
- STEP 2. Remove rogue plug-ins from Google Chrome.
- STEP 3. Remove unwanted extensions from Mozilla Firefox.
- STEP 4. Remove malicious extensions from Safari.
- STEP 5. Remove rogue plug-ins from Microsoft Edge.
Unwanted software 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 any 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 unwanted apps 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 "Extensions" and click "Manage Extensions". Locate "BosTaurus" or other suspicious extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the bostaurus unwanted application, 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 bostaurus unwanted application 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 bostaurus unwanted application, 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 BosTaurus cause?
BosTaurus can cause privacy and security issues. Utilizing this app can lead to data interception, unauthorized access, and unwanted alterations in the browsing environment.
What does BosTaurus do?
BosTaurus can manage themes and extensions, read (and modify) data on all pages, and enable the "Managed by your organization" feature (in Chrome and Edge) browsers.
How do BosTaurus developers generate revenue?
The developers of BosTaurus probably generate income by featuring intrusive ads or sponsored content and potentially redirecting users to specific websites. Additionally, there is a possibility that they engage in the collection and sale of user data to third parties.
Will Combo Cleaner remove BosTaurus?
Combo Cleaner will conduct a comprehensive computer scan and eliminate rogue applications installed. Manual removal might not be foolproof, as certain components could persist and remain active even after attempted removal.
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