How to remove the cozwdhost virus

Most antivirus programs identify cozwdhost.exe as malware—such as F-Secure identifies it as Adware.Jambo.A, and BitDefender identifies it as Adware.Jambo.A.

The free file information forum can help you find out how to remove it. If you have additional information about this file, please leave a comment or a suggestion for other users.

Click to Run a Free Virus Scan for the cozwdhost.exe malware

Cozwdhost.exe file information

The process known as Browser Companion Helper belongs to software Tester Extension by Tester Extension or Jambodigital.

Description: Cozwdhost.exe is not essential for Windows and will often cause problems. The cozwdhost.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 199,200 bytes (66% of all occurrences) or 247,280 bytes. 
There is no file information. The program has no visible window. The file has a digital signature. It is not a Windows core file. Cozwdhost.exe is able to monitor applications. Therefore the technical security rating is 40% dangerous.

Uninstalling this variant: The software publisher Blabbers provides an uninstall program (Control Panel->Software->Zoomify or Browser Companion Helper).

Recommended: Identify cozwdhost.exe related errors

Important: You should check the cozwdhost.exe process on your PC to see if it is a threat. If Browser Companion Helper has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


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Best practices for resolving cozwdhost issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active cozwdhost process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the cozwdhost.exe on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

cozwdhost.exe [all]