Hello,

it is a Piece of Malware. And already detected by Avast.

https://www.virustotal.com/de/file/33165d621612dec0e4bd102ef0f357966325a9bf17dcfd23b7dd82299ad5ec85/analysis/1373638653/

You must make sure that Avast scans for Potentially unwanted Programs.
Open the Interface and go to Security. Select the File System Shield and click on Settings on the right.
I think it is under performance. Select Scan for Pups.