DreamAd is an illegal advertising program that continuously serves large amount of undesirable commercial advertisements. DreamAd can get into the system from certain web sites. It also can be manually installed or come bundled with some ad-supported software. The parasite is able to update itself via the Internet.
smss.exe
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRunDebug=smss.exe