The file ZAPP.DLL is malware related.
You must delete the file ZAPP.DLL immediately!
Delete the file ZAPP.DLL without delay!
Kill the process ZAPP.DLL and remove ZAPP.DLL from the Windows startup.
ZAPP.DLL Information and Removal:
ZAPP.DLL is known as: wtb Module
Antivirus testing: 3 / 68
Dangerous Status: Adware
Malware Aliases: Onefloorap PUP.BHO.OneFloorApp.E Threat.4150696.
MD5 of ZAPP.DLL = 25DF3D7D18D1121AB119964B8E87637A
ZAPP.DLL size is 1103424 bytes.
Full path on a computer: C:PROGRAM FILESZAPPIEZAPP.DLL