updaterproxy.dll is a library file that is responsible for implementing main parasite functions and running its destructive payload. The updaterproxy.dll file cannot run by itself and therefore needs to be loaded with the help of some executable files. However, certain parasites reconfigures the operating system or installs updaterproxy.dll as a plugin, so that the system or certain applications automatically load it on startup.
The updaterproxy.dll file is installed and used by adware
AdvSearch and
ActualNames.
You are highly advised to scan the system, delete the updaterproxy.dll file and all related objects.
Please note that the updaterproxy.dll file actually may be a fully legitimate part of the operating system or legitimate software. Often parasites use files with unsuspicious names, but malicious functionality. You should always carefully check the file before deleting it. It may not be related with malware, but can be required by your essential programs to work properly.
