LatecomerX SG 1. Uninstall Java and Nero -> 2. Use Kaspersky to clean-up -> 3. Re-install Java and Nero If 2. doesn't work, If - have free time -> 2a. Google for steps to manually remove virus Else -> 2b. Reinstall Windows
LatecomerX SG The virus(es) may be able to replace the real files with the infected ones again, somehow. It would probably have made backups of themselves somewhere "safe" on your drive beforehand to do that.
chiaz SG You should submit those files up to VirusTotal for analysis first. http://www.virustotal.com/ This may be a false positive from AVG....if the scans from VirusTotal detected nothing, then you can be sure it's a false positive.