This unwanted program is reportedly related to Smart Search browser hijacker family. It changes default homepage, new tab page and primary search engine URLs to promote a fake search engine at This virus hijacks default Chrome policies, making it extremely hard to remove it, especially for inexperienced Mac users. Weknow.ac virus is persistent Mac browser hijacker that injects browser policies to persist on infected system.
Weknow.ac virus – a persistent Mac infection targeting Chrome browser.
