We started to get reports about a new dropper for Sober.S worm at noon on October 6th, 2005. This dropper drops exactly the same Sober.S variant that started to spread early in the morning. When the dropper is run, it shows a messagebox as a decoy:
The description of Sober.S worm can be found here:
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
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