This article explains how you can clean a temporary folder containing malware.
In many cases, infected files and archives are detected inside temporary folders. These folders are used to store files used for a short period of time, e.g. during the installation of software. The location of these folders varies and can be one of the following:
C:\Documents and Settings\<user_name>\Local Settings\Temp
C:\Documents and Settings\Guest\Local Settings\Temp
C:\Documents and Settings\Administrator\Local Settings\Temp