IEFWBHO.dll

File IEFWBHO.dll is malware or can be infected by malware:
Malware Browser Helper Object BHO, WinAntivirus Ransomware
You must run antivirus software as soon as posible to check you computer.Also Be Aware of this dangerous files:

rjxxzdvx.dll Information
owxxjjxb.dll Removal instruction
istbar.dll Information
Removing dzrmiaax.dll
File name lock.dat