Let's address your security concern first. If you believe that you have a virus or trojan I would suggest that you follow the instructions in This Guide
starting at Step 6
Once the proper logs are created, then make a NEW TOPIC
and post it HERE
Please include a description of your computer issues and what you have done to try to resolve them.
To answer your question regarding Spyware and Malware programs.
There are two programs that I will suggest, SUPPERAntiSpyware
Please use the following link to provide us with information about your computer so that we can assist you.How to Publish a Snapshot using Speccy