Bldll.exe is an adware program Adware.Buddylinks. Bldll.exe spreads by AOL Instant Messenger. Bldll.exe monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %ProgramFiles%\buddylinks.net\Blpref.exe %ProgramFiles%\Common Files\PSD Tools\ChannelUp.exe %ProgramFiles%\Common Files\PSD Tools\Blaim.dll %ProgramFiles%\Common Files\PSD Tools\Blengine.dll %ProgramFiles%\Common Files\PSD Tools\Blengine.exe %ProgramFiles%\Common Files\PSD Tools\Bldll.exe More info: http://securityresponse.symantec.com/avc... Removal: Kill Bldll.exe process and remove Bldll.exe from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.