Your PC is infected. The file called EFCYSJJJ.DLL is considered unsafe and there may be other infections on your PC.
You should urgently check your PC and remove any malicious software including EFCYSJJJ.DLL as soon as possible. The free version of Prevx CSI will scan your PC for millions of spyware and malware infections in less than 2 minutes. Don't put your confidential data, or your identity at risk, check your PC now with Prevx CSI.

The filename is associated with the malware group:
EFCYSJJJ.DLL has been the subject of the following behavior:
The filename EFCYSJJJ.DLL was first seen on Sep 7 2008 in the following geographical regions of the Prevx community:
EFCYSJJJ.DLL can also use the following file names:
Files using the name EFCYSJJJ.DLL have been seen with the following file size:
These files have no vendor, product or version information specified in the file header.
The filename EFCYSJJJ.DLL refers to many versions of a dynamic link library.