For removal tools and instructions, see the Disinfection section of Worm:W32/Downadup.gen.
The .JOB file used by the worm is detected as it is part of the worm's propagation routine. Downadup attempts to spread itself using Windows Scheduled Tasks. The .JOB file defines a scheduled task, which in Downadup's case triggers an execution of the worm library via rundll32.exe. Legitimate tasks are usually located in the following folder:
For more about Downadup variants and activities, see:
Description Created: 2010-06-23 05:20:51.0
Description Last Modified: 2010-07-01 11:04:49.0