Abckey.dll is a Spyware.ABCKeylogger. Abckey.dll is a keystroke and screenshot-logging program. Related files: %ProgramFiles%\JthABCKeylogger\abckey.dll %ProgramFiles%\JthABCKeylogger\forgotpass.exe %ProgramFiles%\JthABCKeylogger\keylogger.exe More info: http://securityresponse.symantec.com/avc... Removal: Remove abckey.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.