Web Companion is legal security application from Lavasoft. It was developed to promote Lavasoft products and services by installing browser add-ons such as Ad-aware Security Search, Ad-aware Ad Block, Ad-aware Web Protection and Ad-ware Smart Shopper in Google Chrome, Mozilla Firefox and Internet Explorer. Although, Lavasoft is considered reputable vendor and applications may be useful there are some side effects and undesirable consequences for inexperienced users. This extensions modify browser search and homepage to either Bing.com, Yahoo.com or Yandex.ru, depending on your location. Those are not most wide-spread search engines and novice users complain of unexpected browser modifications. Ad-aware Smart Shopper can display ads, pop-ups and discount coupons on shopping sites.