Are there any more .tmp files in other folders?
Right-click the hard drive icon in Windows Explorer and select Properties. Under the General tab, is 'Allow Indexing Service...' enabled?
What security software do you have installed? Is it up to date and run regularly?
What's the name of the virus you found, and which program picked it up?
Please follow the instructions
here (5 pages) and then post all the requested logs in a new thread
here for the security analysts to look at. If you have any trouble running any of the scans, leave them and move onto the next.
The security forum is always busy, so please be patient and you will receive a reply as soon as possible. If you go to Thread Tools > Subscribe at the top of your new thread you will receive an email as soon as a reply is posted.