The “Cassiopesa virus” is a term used to identify a variety of potentially unwanted programs (PUPs) such as Cassiopesa Browser, which is an alternative Chromium internet browser and Tny_Cassiopesa, which is a potentially unwanted program used to perform tasks on an infected Windows PC. Once the “Cassiopesa virus” has infected a computer system users will notice that Google Chrome has changed or has been installed. Users will also experience browser redirects to,, and other webpages when they open a new browser window, open a new browser tab, or search the web using the browser address bar.


The Cassiopesa virus is essentially included in the browser hijacker family of computer threats. Although this program may be described as a computer virus it is not technically defined as one; However, the program is very deceptive and can cause many issues for computer and internet users.

cassiopesa virus

There are a variety of potentially unwanted programs used to cause browser redirects to the website. This means it may be necessary to uninstall multiple programs and remove multiple browser add-ons and extensions in order to stop all unwanted symptoms from occurring.

Furthermore, programs used to promote the Cassiopesa website are known to bundle with other unwanted programs, malware, and malicious threats that can cause additional issues for computer and internet users unrelated to unwanted browser redirections to Internet users may also experience pop-up ads while browsing the web.

How does Cassiopesa get onto a computer?

Cassiopesa Browser is usually promoted by deceptive and untrustworthy potentially unwanted programs and advertisements. The program is known to bundle with freeware, torrent files, and be involved with programs that utilize unethical marketing practices. Some users who wish to manually download freeware and other items may be presented with am offer to accept or decline this program.

remove cassiopesa

An example of this is the image above. The image above shows that Cassiopesa Browser was offered as a sponsored product. However, the program we initially downloaded was a fake flash player update.

How to remove Cassiopesa

Step 1: Uninstall Cassiopesa programs

1. We recommend writing down the toll free number below in case you run into any issues or problems while following the instructions. Our techs will kindly assist you with any problems.

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2. Open Windows Start Menu and go to the Control Panel.

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3. Click Uninstall a program (or Add and remove a program).

cassiopesa removal

4. A list of programs installed on your computer will appear. Search for suspicious and unwanted programs in the list of installed programs. Once a program you want to remove is located, double click to begin the uninstall process (or select the program and click Uninstall). Programs you may locate include Cassiopesa Browser and Tny_Cassiopesa.

Step 2: Remove browser add-ons and extensions

Google Chrome

1. Click on the Customize icon (3 bar icon) next to the address bar and navigate to More tools > Extensions.

2. Search for the extension and remove it by clicking the trashcan icon next to it.

Mozilla Firefox

1. Type Ctrl+Shift+A.

2. On the Extensions and Plugin search for the add-on, select it, and remove it.

Step 3: Remove search engine

  • In Mozilla Firefox, click the small search magnify glass near the search box (not url/search field) and click “Manage Search Engines…”. Remove cassiopesa search engine from the list of search providers by highlighting the selections and clicking remove.
  • In Microsoft Internet Explorer navigate to Tools > Manage Add Ons > Search Providers and remove cassiopesa search engine from the list.
  • In Google Chrome, click the customize icon (wrench or 3 bars) and navigate to Settings > Manage search engines… click the X next to cassiopesa  search engine to remove it.

Step 4: Remove homepage

  • In Mozilla Firefox navigate to Tools > Options or click Firefox in the top left corner and click Options > Options. Under the General tab remove from the “Home Page:” field and replace it with your preferred home page URL.
  • In Microsoft Internet Explorer navigate to Tools >Internet Options. Remove from the Home Page field and replace it with your preferred URL.
  • In Google Chrome click the customize icon (wrench or 3 bars) and navigate to Settings. Click “Set pages” under the On startup option. Remove and replace it with your preferred homepage URL.

Step 5: Remove Cassiopesa virus with Malwarebytes

1. Download and Install the free or full version of Malwarebytes Anti-Malware. The full version enables real-time protection to block malware and unwanted programs from infecting your computer, while the free version is just a free scan and removal tool.

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2. Once Malwarebytes is installed, open the Anti-Malware program and click the Scan Now button or visit the “Scan” tab to manually run a scan. Malwarebytes may automatically begin to update and scan your computer at this point.

3. When the malware scan is complete, click the Quarantine All button to isolate and remove the detected files. You may be asked to reboot your computer to completely remove detected files.

If you are still having issues with malware it is recommended to download and install a second opinion scanner such as HitmanPro by Surfright to eradicate existing malicious files and automatically repair corrupted settings.

Step 6: Clean up and repair settings with CCleaner

1. Download and Install the free or full version of CCleaner by Piriform.

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CCleaner Analyze Cleaner

2. Open CCleaner after it is installed and navigate to Cleaner > Windows/Applications and click the Analyze button. Afterwards, click the Run Cleaner button.

CCleaner Startup

3. Next, navigate to Tools > Startup and search for suspicious entries through each tab starting from Windows, Internet Explorer, etc., all the way to Context Menu and click Disable and Delete once anything you do not recognize is found. This will help you locate and remove unwanted browser attachments and repair other settings.

If you are still experiencing issues removing potential malware after using this removal guide we recommend to perform a system restore/recovery or a reset/refresh for Windows 8.

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