I've seen close to 600 in the last couple of weeks, all port 137. Dunno 
about a specific virus though. They all get bounced by my firewall, so I'm 
mildly interested in the numbers, but no more.

> Just in the last week or so, some of my servers have been seeing a 
flurry of 
> probes to UDP port 137 (one server got up to 3-4 probes per IP per 
minute on 
> Friday), and I was wondering:
> 
>  * Has anyone else seen similar?
> 
>  * Is there a specific cause (e.g. new Windows virus) that I can safely
>    attribute it to?

Hook

