Oleext.dll is a Trojan.Desktophijack.C. Oleext.dll modifies the desktop settings. Oleext.dll monitors user Internet activity and private information. It sends stolen data to a hacker site. Related files: %System%\intell32.exe %System%\oleext.dll %System%\oleext32.dll %System%\wppp.html %Windir%\uninstIU.exe Adds the value: "intell32.exe" = "%System%\intell32.exe" to the Windows startup registry keys. More info: Removal: Remove oleext.dll from Windows startup using antivirus (also check How To Remove section)Startup Optimizer.