key Avast tot 2012: 

C93518192H1200A0014-DTZE4N4J

Voor hulp bij het invoeren van de sleutel: help

MalwareBytes

Remove very nasty malware (external link)

Download the file TDSSKiller.zip from the following link and save it on the Desktop.

Double click TDSSKiller.zip to unzip the file.

Double click TDSSKiller.exe to scan the system.

Wait for the scan and disinfection process to complete.

Removal tools for common antivirus software