system
5
google is not everything !!
I find hits on each variant you listed via the VGREP-link, don’t you ?
did you clean the Temp-Int-files for EACH user ?
you probably get re-“infected” everytime you use your unsecured IE
disable activeX & scripting in IE, except for know secure sites
have you read all the VGREP-Links ?
This is Adware, so most conventional AV-scanner won’t detect it (yet)