Short bio

Trojan.IStartSurf is Malwarebytes’ detection name for a family of adware and hijacker bundlers.


Users of affected systems may see unwanted advertising not originating from the sites they are visiting or their browser opening with a startpage that they did not set themselves.

Type and source of infection

Trojan.IStartSurf is a bundler, The term bundler usually refers to a single installation file containing two or more programs. Many bundlers are found on freeware download sites. The Trojan.IStartSurf bundlers sometimes include other Trojans that protect the adware components against removal.


Malwarebytes protects users from Trojan.IStartSurf by using real-time protection.

block Trojan.IStartSurf

Malwarebytes blocks Trojan.IStartSurf


Malwarebytes can detect and remove Trojan.IStartSurf 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.

Associated threats


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