mastoer32.dll definition, relationships, removal:

mastoer32.dll is a library file that contains malicious code, which implements main parasite functions. This file usually needs to be loaded by executables or other pest files. However, some threats inject mastoer32.dll in the system, so it works as an independent component, for example, as a harmful web browser plugin or hidden system service.
The mastoer32.dll file is installed and used by Katomik.
In most cases mastoer32.dll is responsible for all the harmful actions the pest takes. Removing this file will immediately terminate the parasite or partially disable it. That is why the mastoer32.dll file must be manually deleted. If you cannot erase it, consider using recommended spyware removers, which will get rid of mastoer32.dll and associated parasites for you.
Sometimes a presence of mastoer32.dll does not indicate that your computer is infected. It can be an essential system file or a file installed by harmless legitimate software and therefore may not pose any threat to your privacy and the system. Although such cases are quite rare, you should thoroughly examine mastoer32.dll before completely deleting or leaving it in the system. mastoer32.dll is a library file that contains malicious code, which implements main parasite functions. This file usually needs to be loaded by executables or other pest files. However, some threats inject mastoer32.dll in the system, so it works as an independent component, for example, as a harmful web browser plugin or hidden system service.
The mastoer32.dll file is installed and used by Katomik.b.
You are highly advised to scan the system, delete the mastoer32.dll file and all related objects.
Please note that the mastoer32.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.