Wajam is advertising browser extension. According to developers Wajam enhances search experience by adding ads and Wajam Social Search widget to Google search results page. Wajam can show results that were liked, shared or twitted by your friends on Facebook or Twitter. Obviously it is potentially unwanted program, as it creates unwanted additional advertisements and installs without user consent.
Discovery App by Yontoo Technology Inc is browser adware. This app installs add-ons in Google Chrome, Mozilla Firefox and Internet Explorer. With help of this extensions Discovery App generates ads, pop-ups in browser windows. Advertising is based on user browsing habits and history of visited sites. Ads can be of different types: “Related Search by Discovery App” on the left side, or “Discovery App Ads” pop-ups showing randomly in browsers.
Search.top-arama.com is unwanted search engine for Google Chrome, Mozilla Firefox and Internet Explorer. It comes bundled with freeware and hijacks homepage, default search engine and newtab settings. Search.top-arama.com redirects your searches to Google, but there is a possibility of redirecting to phishing sites. To remove Search.top-arama.com hijacker you need to uninstall unwanted programs from Control Panel, remove malicious browser extensions and reset your browser settings.
Middle Rush by Yontoo Technology Inc is malicious browser extension for Google Chrome, Mozilla Firefox and Internet Explorer. It is classified as adware or potentially unwanted program (PUP). There several reasons for that. First of all Middle Rush creates unwanted and disturbing ads, pop-ups, banners in browser windows. Also, it collects private information about your browsing and cookies, and share it with advertising companies.
Baidu.com is Chinese search engine and software developer. It created such programs as Baidu Antivirus, Baidu Browser, Baidu Cleaner, Baidu Spark Browser, Baidu PC Faster and others. It is surely not a virus, but can become unwanted application, because it can be installed without user consent. Baidu.com can take over your browser search and homepage settings, show ads in browsers and alerts on your desktop.