Right avast! detection of unknown_file_$INSTDIR/opensearchgtu.exe!

See: http://urlquery.net/report.php?id=3691013
See: https://www.virustotal.com/nl/url/e5818209006afe377b9810a884b36a7fca7cd00da71cba46b18ab8e5b5ed6864/analysis/
and https://www.virustotal.com/nl/file/ce74bcd3e285f369e4671f0825b3c7132c3252642f08c5e261bfa6b3e1ea7698/analysis/1373422618/

Avast detects as Win32:Adware-ASI [PUP]

polonus