Short bio

PUP.Optional.Wajam and all associated detection names refer to a type of potentially unwanted program (PUP) that is a browser add-on marketed as a “social search.” It injects new adverts into the websites you visit, making it possible to redirect traffic to potentially malicious sites, as well as collect personal information.

Type and source of infection

PUP.Optional.Wajam is often found detecting one or more parts of another PUP.


Malwarebytes protects users from PUP.Optional.Wajam by using real-time protection.

block PUP.Optional.Wajam

Malwarebytes blocks PUP.Optional.Wajam


Malwarebytes can detect and remove PUP.Optional.Wajam without further user interaction.

  1. Please download Malwarebytes to your desktop.
  2. Double-click mb3-setup-consumer-{version}.exe and follow the prompts to install the program.
  3. Then click Finish.
  4. Once the program has fully updated, select Scan Now on the Dashboard. Or select the Threat Scan from the Scan menu.
  5. If another update of the definitions is available, it will be implemented before the rest of the scanning procedure.
  6. When the scan is complete, make sure that all Threats are selected, and click Remove Selected.
  7. Restart your computer when prompted to do so.

Add an exclusion

Should users wish to keep this program and exclude it from being detected in future scans, they can add the program to the exclusions list. Here’s how to do it.

The Exclusions tab includes a list of items to be excluded from scans. The items may include files, folders, websites, or applications that connect to the Internet, as well as previously detected exploits.

To access the exclusions in Malwarebytes:


Associated files:


Associated threats

Related blog content

Wajam browser add-on serves malvertising

How to avoid potentially unwanted programs