Lets see the steps involved in downloading. Never download these type of utilities from third party websites which may also get a malware or viruses as a bonus with the file you download from unverified sources.

Uninstall Bitdefender Antivirus, Bitdefender Internet Security or Bitdefender Total Security with their official removal tool. It will quickly scan, then locate all product traces and thoroughly remove them. This uninstaller will be useful in the event that you are unable to remove products via the control panel or when other methods fail. Bitdefender Uninstall Tool will assist in the complete removal of Bitdefender products from your machine. When the program opens, click on the Uninstall button. Once downloaded, double-click on the program's icon. Download the Bitdefender Uninstall Tool to your Windows desktop. Navigate to the folder where you saved the uninstall tool. Open Command Prompt with administrative rights. Remove the security agent that is protected with an uninstall password as follows: Download the uninstall tool from Uninstall Tools for Business Products. Step 5: Press the “Start Tool” button and let the decryptor finish the job. We strongly advise that users select the “Backup files” option.

Step 4: Because of some specifics of this ransomware family, the tool will scan the system in a particular order rather than allow the user to select a folder with encrypted data.

Bitdefender uninstall tool not working