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 automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.
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