XunLeiBHO_Now.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 XunLeiBHO_Now.dll in the system, so it works as an independent component, for example, as a harmful web browser plugin or hidden system service.
The XunLeiBHO_Now.dll file is installed and used by IEDefender.
In most cases XunLeiBHO_Now.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 XunLeiBHO_Now.dll file must be manually deleted. If you cannot erase it, consider using recommended spyware removers, which will get rid of XunLeiBHO_Now.dll and associated parasites for you.
Sometimes a presence of XunLeiBHO_Now.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 XunLeiBHO_Now.dll before completely deleting or leaving it in the system.
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