New Windows worm?

[dickcox () quepasa com]

5 of our office computers recently started behaving strangly.  Simptoms include
-can't view logs in Event Viewer
-can't transfer files over the network
-can't view contents of directories (Windows directory and Program Files)
-disable of copy/paste in Microsoft word
-Lots of svchost errors

Anybody know what this might be caused by?  It all started today.  2 of the computers are located here in the States, 
and 3 of them are located in Mexico.  I've already eliminated the new MSBlast worm.



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