Trojan:JS/Medfos.B is a malicious JavaScript file that redirects search queries when using websites such as AOL, Ask, Bing, Google and Yahoo.
The trojan is usually installed by Trojan:Win32/Medfos.B it can also install as a Google Chrome browser extension. It is a member of the Win32/Medfos family. This malware infection is real nasty and should be removed by running malwarebytes and hitmanpro
