Published Sep 27, 2012|Updated Sep 15, 2017


Severe |Detected with Windows Defender Antivirus

Aliases: No associated aliases


Windows Defender detects and removes this threat.

Trojan:JS/Medfos.B is a malicious JavaScript file that redirects search queries when you search online using AOL, Ask, Bing, Google or Yahoo.

The trojan is usually installed by Trojan:Win32/Medfos.B as a Google Chrome browser extension called "ChromeUpdateManager 1.0". It is a member of the Win32/Medfos family, a family of trojans that install malicious extensions for Internet browsers and redirect search engine results.


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