Troj/QHosts-S is a Trojan for the Windows platform.
Troj/QHosts-S modifies the HOSTS file, redirecting access to certain websties.
When first run Troj/QHosts-S copies itself to <System>\svchst.exe.
The following registry entry is created to run svchst.exe on startup:
HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
useful-soft
<System>\svchst.exe
Troj/QHosts-S changes the Start Page for Microsoft Internet Explorer by setting the registry entry:
HKCU\Software\Microsoft\Internet Explorer\Main\Start Page