|Spybot, Ad-aware, and Iobit are either antiquated or junk at their best. Malwarebytes Free and SuperAntiSpyware Free are awesome on-demand scanners. You should also have a real-time anti-malware program like Avira Free or Microsoft Security Essentials.|
Open up the properties of your wireless Network Interface Card, look for an option enabling Ad-Hoc networking and disable it.
In addition, you should have things like Remote Assistance & Remote Desktop Connection disabled unless you're presently using them. Do so on the Remote tab of System properties (Start > Run > type: sysdm.cpl)
Apologies if I don't respond to your reply immediately. I don't check this site daily, but you're welcome to PM me as a reminder.