How to remove CumulusFractus from affected browsers
Written by Tomas Meskauskas on
What kind of application is CumulusFractus?
While analyzing an untrustworthy installer obtained from an unreliable website, we came across the CumulusFractus browser extension. Our investigation revealed troubling attributes linked to this application, such as its capacity to enable the "Managed by your organization" feature in the Chrome browser, collect data, and manage browser components.
CumulusFractus in detail
The "Managed by your organization" setting confers administrative control to CumulusFractus over the browser, granting it the power to influence various aspects of the user's browsing experience. This authority includes the capacity to enforce policies and make adjustments to browser settings.
If an application, such as CumulusFractus, has the ability to access and modify data on all websites, it means that the extension can view and manipulate the content displayed on any website the user visits. As a result, CumulusFractus has the potential to collect sensitive data, insert advertisements or malicious content into web pages, or engage in activities that jeopardize the user's security and privacy.
Moreover, CumulusFractus has the ability to manage browser extensions and themes. This level of access holds important implications for users, as it authorizes the application to enable, disable, or modify the functionality of other extensions. Also, this allows CumulusFractus to change the browser's appearance.
Furthermore, the installer used to distribute CumulusFractus can install the Chromstera web browser and potentially other unwanted software. Users who have the CumulusFractus app added to their browsers may also have adware, browser hijackers, and other dubious applications installed on their computers or added to browsers.
It is crucial to mention that cybercriminals tend to employ installers like the one used to distribute CumulusFractus as a means to spread Trojans, ransomware, cryptocurrency miners, and various other types of harmful software that can steal information, encrypt files, and engage in other malicious activities.
| Name | CumulusFractus unwanted application |
| Threat Type | Adware |
| Detection Names | Gridinsoft (PUP.Win32.Chromnius.dg!c), Full List (VirusTotal) |
| Symptoms | The "Managed by your organization" feature is activated in Chrome 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 | Shady 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 summary, CumulusFractus is a malicious browser extension that poses significant risks to users. Not only does it enable the "Managed by your organization" setting in the Chrome browser, potentially compromising user control and privacy, but it also possesses the capability to access and manipulate data on all websites, raising potential security and privacy issues.
More examples of applications similar to CumulusFractus are VulpesVulpes, CanisLupusLupus, and IlexAquifolium.
How did CumulusFractus install on my computer?
Users can add CumulusFractus to their Chrome web browser through the installation process, which starts with acquiring an installer from an untrustworthy website. This malicious app can also spread through other channels, such as peer-to-peer (P2P) file-sharing networks, misleading ads, and compromised or shady websites that trigger automatic downloads.
Also, such apps can be delivered using social engineering tactics, fake software or browser updates, and similar strategies.
How to avoid installation of unwanted applications?
Download applications and software from reputable sources such as official app stores, the developer's website, or well-known software repositories. Avoid third-party download sites or pirated software. Be cautious of enticing ads or pop-ups on websites, especially those offering free downloads or claiming to solve computer issues.
Check the available settings in installers and deselect unwanted apps before finishing installations. Keep your device's operating system and installed apps up to date. 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 hosting the installer containing CumulusFractus app:
CumulusFractus app information:
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 CumulusFractus?
- 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 "CumulusFractus" and other suspicious extensions, select these entries and click "Remove".
Optional method:
If you continue to have problems with removal of the cumulusfractus 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 cumulusfractus 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 cumulusfractus 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 CumulusFractus cause?
The presence of CumulusFractus can result in a range of problems, including jeopardizing your privacy, assuming control of your browser, diminishing system performance, posing security threats, displaying intrusive advertisements, and more.
What does CumulusFractus do?
CumulusFractus has the capacity to access and alter data on all websites, manage extensions and themes, and enable the "Managed by your organization" feature in Chrome browsers.
How do CumulusFractus developers generate revenue?
The creators of CumulusFractus are likely collecting a wide variety of data, which they could potentially sell to third parties or use for financial gain through other means. Additionally, they might explore alternative methods, such as affiliate programs, to generate income from CumulusFractus.
Will Combo Cleaner remove CumulusFractus?
Combo Cleaner performs scans and efficiently eliminates undesired and malicious applications. Depending solely on manual removal might not guarantee complete success, as traces of files could persist within the system even after the software is uninstalled.
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