windows explorer.lnk definition, relationships, removal:

This is a part of a malicious parasite that violates user privacy and damages the compromised system. The windows explorer.lnk file can be used for different purposes depending on the related parasite's type, functionality and carried payload. Although windows explorer.lnk may not take any malicious actions by itself, it ensures that a parasite is working properly and therefore needs to be removed. DO NOT open, execute or edit windows explorer.lnk!
The windows explorer.lnk file is installed and used by keylogger EBlaster.
In some cases a presence of windows explorer.lnk does not mean that your system is infected. The file may actually belong to some fully legitimate applications and therefore must stay intact. If you are in doubt, please scan the windows explorer.lnk file using you regular spyware remover or antivirus program.