Hi, welcome to tsf!
One reason why you're infected is because you have no antivirus running onboard. Is there a particular reason why you removed AVG? Having no antivirus these days is an open invitation for malware to enter your system.
You are basically vulnerable to all sorts of malware. Cleaning will be useless if you have no active protection because you'll only be infected again immediately.
That's why before we start cleaning you, I want you to install, update, and scan with an antivirus first.
download Avira Antivir:
http://www.free-av.com
Post back a fresh DDS log after the scan.
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