Sandpanther (sandpanther) wrote,


So it turns out that I have several worms on my system. I think I acquired a couple of them while in the process of trying to get rid of the others. Or something. At this point I don't entirely care, just so long as it Never Happens Again.

But in researching one of the other worms I have, I came across this description of its effects:

W32.Welchia.Worm does the following:

- Attempts to download the DCOM RPC patch from Microsoft's Windows Update Web site, install it, and then restart the computer
- Checks for active machines to infect by sending an ICMP echo request, or PING, which will result in increased ICMP traffic
- Attempts to remove W32.Blaster.Worm

If I'm reading this right, I have a worm that attempts to download and install a security patch that will fix the hole it just exploited, and tries to remove another nasty worm.

I'm trying to figure out if this is an anti-worm worm, or if this is just some bizzare form of a worm pissing contest. ("I'm the top worm on this system!" "Oh yeah? Well I'm going to go delete you so that I'M the top worm!")

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