This signature fires when a pattern matching the D, F, or I variant of the Sober virus in an email attachment is detected.Subsig 0 matches on virus file attachments ending in "scr", "pif", "cmd" and "exe" for the D variant.Subsig 1 looks for virus file attachments ending in "zip" for the F variants.Subsig 2 looks for virus file attachments ending in "pif" for the I variants.
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