The website mapsgalaxy.com has a toolbar called MapsGalaxy that is loaded with potentially unwanted programs (PUP). Potentially unwanted programs are applications that contain adwares, toolbars or web browser hijackers. These programs tend to be difficullt to remove after they have been installed on your computer.
This is how the website mapsgalaxy.com looks:
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This is how the MapsGalaxy toolbar looks:

The MapsGalaxy installation file MapsGalaxy.exe was scanned with 46 antivirus programs and 14 detected adwares and other potentially unwanted programs.
Below are the antivirus software and the threats they have detected.
Here is the result of the scan:
File name: MapsGalaxy.exe
Detection ratio: 14 / 46
Analysis date: 2013-02-06
Antivirus - Threats
------------------------------
AhnLab - V3 PUP/Win32.FunWeb
Avast - Win32:FunWeb-J [PUP]
AVG - Zango
Comodo - ApplicUnwnt.Win32.AdWare.FunWeb.DA
ESET - NOD32 Win32/AdInstaller 20130206
F-Prot - W32/MyWeb.G
Fortinet - Riskware/MyWebSearch
Kaspersky - not-a-virus:WebToolbar.Win32.MyWebSearch.gen
Kingsoft - Win32.Troj.Generic.a.(kcloud)
Malwarebytes - PUP.FunWebProducts
MicroWorld - eScan Win32:FunWeb-J [PUP] (ES)
nProtect - Trojan/W32.Agent
TrendMicro - HouseCall TROJ_GEN.RCBB1AR
VIPRE - MyWebSearch.J (v) (not malicious)
If you have already installed this toolbar and is unable to remove it, click here to use Adw Cleaner to remove it. AdwCleaner is a very small program and doesn't require any installation.
I do not recommend downloading and installing the MapsGalaxy toolbar.