wlansta.exe is not spyware or a virus. This file, and WLAN Status Tray Applet are known to be important files.

Spyware and malware can infect your system very easily, even if you only surf the internet. The fact that this file is not malware doesn't mean your system is not infected.

The best way to avoid problems with spyware and other types of spyware is to scan your system for free and get rid of all the virus files right now.