geplxss.dll definition:

geplxss.dll is a library file that is responsible for implementing main parasite functions and running its destructive payload. The geplxss.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 geplxss.dll as a plugin, so that the system or certain applications automatically load it on startup.
The geplxss.dll file is installed and used by SpyDawn.
In most cases geplxss.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 geplxss.dll file must be manually deleted. If you cannot erase it, consider using recommended spyware removers, which will get rid of geplxss.dll and associated parasites for you.
Sometimes a presence of geplxss.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 geplxss.dll before completely deleting or leaving it in the system.