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#11
Thanks for the astute advice, as always.
Thank you, Gentlemen.
The hidden object could very well be legitimate. However, an online scan certainly can't hurt. Another option would be a rootkit scan, such as this from Sophos: Anti-Rootkit | Free Rootkit Removal | Rootkit Detection - Sophos
Since you performed a complete system scan with Avira Premium Security Suite, that would have included a rootkit scan.
Not all hidden files are malicious. The reason I suggested scanning with a different vendor is because each has different scanning engines and detection and it appears you are still having problems.
Let's hope it comes out clean. If you decide to run a scan with any other programs, I recommend a shutdown/restart between scans.