Nearly 9 Million PCs Hit By 'Downandup' Worm

Nearly 9 Million PCs Hit By 'Downandup' Worm

The network worm is a bunch of malware variants that target older Windows machines and changes itself, or is changed by its authors, to prevent signature-based detection.

By Thomas Claburn InformationWeek January 16, 2009 05:53 PM

A network worm has been spreading rapidly across the Internet over the past week, despite an emphatic warning from Microsoft (NSDQ: MSFT) last October.

In October, Microsoft took the unusual step of issuing an out-of-band Security Bulletin, MS08-067, for a vulnerability affecting its Server service.

Complete article.