Is the threat in your Eset log the only threat detection you are concerned about?Adware
is advertising-supported software which can be in the form of on screen pop-ups, display itself in the software interface itself or presented to the user during installation of an application. Adware is used by its creators as an enticement to generate revenue which helps to off-set the cost of a program. Adware is generally harmless and not considered a malicious program like Trojans or viruses which are intended to compromise or damage a computer. However, in some cases, Adware may come bundled with other security risk applications (i.e. keyloggers, privacy-invasive software) or may itself be classified by some security vendors as a Potentially Unwanted Program (PUP)
Adware.Mediafinder is a security risk that uses Browser Helper Objects and extensions to monitor for access to certain websites, mostly associated with file sharing.
I ran 4 other scanners (microsoft safety scanner, Malbytes, microsoft security essentials, and avast)
MSE and avast are both anti-virus programs. Read the IMPORTANT NOTE: Using more than one anti-virus program is not advisable. Why?