A war has broken out between hackers behind viruses that exploit a recently discovered loophole in Windows 2000.
The viruses written by the competing hacker groups are fighting it out for supremacy on infected machines.
Some of the variants seek out and delete rival viruses they find on machines they manage to penetrate.
The slew of malicious programs exploiting the loophole caused trouble for many organisations early this week as the bugs began infecting computers.
It is important that anyone using Windows 2000 patch their OS as soon as possible using Microsoft Update. The viruses exploit a weakness in the Plug-and-Play component of Windows 2000.
It also looks like the vulnerablilty affects other versions of Windows. Please look at the Microsoft Security Bulletin
Its also worth making sure that your firewall blocks port 445!
Matt
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