Remove Cydoor Virus - Here's how it works

If you discover the Cydoor virus in your browser, you should remove it quickly. We show you in our instructions how to proceed.

Step 1: remove Cydoor Virus

Cydoor is the name of an entire company that develops and sells adware. Cydoor usually gets onto your computer unintentionally by installing other programs. After installation, the program mainly interferes in the browser with pop-ups and website redirects.

• Uninstalling Cydoor: First open the Control Panel and sort the list of installed programs by the installation date. Remove the entry "Cydoor" and all other unknown additions here. You can find detailed step-by-step instructions here.
• AdwCleaner: This free tool scans your PC and browser and deletes all remains of Cydoor.
• Malwarebytes Anti-Malware: A virus rarely comes alone. Since you may have caught other pests, we also recommend that you check with this virus scanner.

Step 2: Remove Cydoor from the browser

If Cydoor continues to affect your browser, we advise you to completely reset the browser. Perform the following instructions for all installed browsers:

• Google Chrome
• Mozilla Firefox
• Internet Explorer