Steam hi-jacked

Apperently my steam has been stolen, I’ve emailed STEAM. but i’m scared there might be still a virus on my pc, I have KIS (Kaspersky) installed and it hasn’t showed me anything
Answer #1
Run a scan.
Has there been any weird actions on your PC lately?
Download Spybot Search and Destroy to find any spyware.
Answer #2
Do a full system scan on safe mode.
Answer #3
I’m running a scan right now, and Downloading spybot.
There hasn’t been any weird actions lately.
Answer #4
Probably have a keylogger. Make sure you emailed Steam a picture of your CD-Keys too.