I looked up a copy of an adware infection library and found an example of your detection.
AdWare.Win32.Shopper.l (adware)
* \\??\\Downloads\myspacegraphicsfree(2).exe\resource.0000.pkg\Freeze-SmartShopper_Installer.exe
If your computer has run some unknown code claiming to be some picture or video, you might have another trojan downloader.
You can check your computer with another Antivirus (in case McAfee missed something) and MalwareBytes for AntiSpyware.
ESET Online Scanner - Scans and Cleans detected threatsMalwareBytes - Specialized AntiSpyware scannerFinally, if you see someone signing on and you know for sure they are not signing on (be careful that you can truly verify this) then the account might be compromised. The password should be changed from a CLEAN computer only.