How to eliminate SylvilagusFloridanus malicious extension from browsers
Written by Tomas Meskauskas on
What kind of program is SylvilagusFloridanus?
After examining a harmful installer acquired from an untrustworthy source and integrating SylvilagusFloridanus into a web browser, we have discovered alarming functionalities associated with SylvilagusFloridanus. This includes enabling the "Managed by your organization" feature, accessing data on all websites, and controlling specific browser components.
SylvilagusFloridanus in detail
The "Managed by your organization" feature is typically intended for use in enterprise environments where organizations need to centrally manage and control certain settings on employees' browsers for security and policy compliance. SylvilagusFloridanus can activate this feature in both Chrome and Edge browsers.
Enabling the "Managed by your organization" feature in a web browser, as triggered by an application like SylvilagusFloridanus, can lead to a loss of control for users (for instance, users might be unable to visit certain websites). This can expose users to security risks, unauthorized surveillance, and privacy invasion.
Furthermore, SylvilagusFloridanus can read and change data on all pages. This concerning functionality implies that the application can access and manipulate information across a user's entire online activity. This raises significant privacy and security apprehensions, as users may unwittingly expose sensitive data to the application's scrutiny and potential manipulation.
Additionally, SylvilagusFloridanus extends its control by managing themes and extensions within a browser. This capability allows the application to manipulate the visual aesthetics of the browser through theme management and exert influence over additional functionalities through the control of extensions.
Users may experience unexpected changes to their browser's appearance and functionality, compromising the user experience and potentially introducing security vulnerabilities through the management of extensions.
Lastly, SylvilagusFloridanus is not the only unwanted app included in the installer distributing it. It is known that SylvilagusFloridanus is bundled with the Chromstera browser and potentially other dubious apps such as browser hijackers and adware.
| Name | SylvilagusFloridanus unwanted application |
| Threat Type | Malicious Extension |
| Detection Names (Installer) | Gridinsoft (PUP.Win32.Chromnius.dg!c), Kaspersky (Not-a-virus:HEUR:AdWare.Win32.WebCompanion.gen), Rising (Adware.WebCompanion!8.171BF (CLOUD)), ZoneAlarm by Check Point (Not-a-virus:HEUR:AdWare.Win32.WebCompanion.gen), Full List (VirusTotal) |
| Symptoms | The "Managed by your organization" feature is activated in Chrome and Edge browser, 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
Overall, the application's intrusive nature prompts a cautious reconsideration of its impact on user privacy, security, and the overall browsing experience. Users are advised to exercise discretion and carefully evaluate the implications of utilizing SylvilagusFloridanus in light of its concerning functionalities.
Examples of similar apps are GorillaBeringei, AltocumulusStratiformis, and CornusMas.
How did unwanted software install on my computer?
Users might download software from untrustworthy sources that is bundled with additional applications that users may not want. When the installation of such software is finished without changing the provided settings (deselecting unwanted apps), all included apps get installed alongside the main program.
Also, users may cause unwanted downloads and installations via fake pop-ups or websites claiming that a user's software is outdated and needs an update. In other cases, unintended installations occur via misleading ads, pirated software, P2P networks, third-party app stores and downloaders, free file hosting sites, etc.
SylvilagusFloridanus is distributed via a harmful installed uploaded to an unreliable page.
How to avoid installation of unwanted applications?
Download programs exclusively from reputable sources, such as official websites and app stores. Exercise caution when dealing with email attachments and links, particularly in unsolicited or irrelevant emails. Ensure your operating system and software are regularly updated with the latest security patches.
Employ trustworthy antivirus or anti-malware software and ensure it stays updated. Steer clear of downloading cracked or pirated software. Exercise skepticism towards advertisements on questionable websites and avoid consenting to receive notifications from such sites.
If your computer is already infected with rogue applications, we recommend running a scan with Combo Cleaner Antivirus for Windows to automatically eliminate them.
A website hosting the installer designed to add SylvilagusFloridanus to browsers:
SylvilagusFloridanus app information:
SylvilagusFloridanus 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 SylvilagusFloridanus?
- STEP 1. Uninstall shady 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 applications 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 "SylvilagusFloridanus" or other suspicious extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the sylvilagusfloridanus 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 sylvilagusfloridanus 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 sylvilagusfloridanus 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 SylvilagusFloridanus cause?
SylvilagusFloridanus has the potential to inflict considerable damage by jeopardizing user privacy through unauthorized access to data and manipulation of browser settings, themes, and extensions. This could ultimately result in heightened security vulnerabilities.
What does SylvilagusFloridanus do?
SylvilagusFloridanus is an application with potential malicious intent. When activated, it exploits the "Managed by your organization" setting in Chrome and Edge browsers, a behavior typically reserved for organizational control. Additionally, it possesses the capability to read data on all pages and manage browser themes and extensions.
How do SylvilagusFloridanus developers generate revenue?
The creators of SylvilagusFloridanus might seek financial gain through illegitimate methods, including but not limited to data harvesting, selling user information, involvement in click fraud, or participation in other fraudulent activities.
Will Combo Cleaner remove SylvilagusFloridanus?
Combo Cleaner is designed to eliminate unwanted applications from your computer. It is important to note that manual removal may not be entirely effective, as certain file remnants could linger in the system even after uninstalling the software.
Outstanding!
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