Nevermind, I found out that these are caused when the virus exploits the DCOM RPC 
vunerability in an unpatched computer.
It seems we have an infected PC in our Domain that is flooding the unprotected PCs 
with packets and making them crash. I'll try to find it out tomorrow.
Thanks for your help all.






On Thursday, January 29, 2004 at 3:03 am, Historian wrote:
>I work in a large enterprise and lately many of our computers have been getting 
these 
>symptoms
>
>1.Control Panel is showing all the icons to the left (about two-icon width), with 
>a scroll bar in the middle of the window.To the right of the scrollbar, the window 
>is left blank
>
>2.Add Remove Programs is mixed up. It doesn't show anything in the center (where 
>the programs should be) and the title is all mixed up.
>
>3. You can Cut or Copy but you cannot Paste. The "Paste" option is always disabled. 
>
>4. Sometimes you cannot drag and drop, but that is rare.
>
>Now these symptoms dissapear after a restart but reappear after a while again.
>Using the Microsoft Security Updates 823980 and 824146 seems to fix this, so I originaly 
>suspected a Blaster variant, however I'm using Corpotate Norton AV with the latest 
>definitions and it doesn't pick up anything suspicious.
>
>I know something is going on but I just can't prove it. (I'm trying to convince 
my 
>superior that taking the time to apply the 2 security updates would be worthwile 
>and will solve the problem)
>
>Anyone know for certain what is causing these symptoms?

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