How to remove this virus:
After installing, the virus creates two files on your computer:

C:\Windows\updater.com
C:\Windows\admintxt.txt

To remove it, you must delete both files. As it also makes sure to start up when you boot your computer, you must also remove the entry from the startup list. A guy in his blog suggests Startup Control Panel, but if you don’t want (or can’t) install new software on the machine, go to:

1. press start menu -> run -> type “msconfig” (without quotes)
2. go to the startup tab
3. uncheck updater.exe

Restart your computer and hope it’s cured!

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I guess it’s a new virus, so if you get it, don’t fall for it.
It looks like this:

contact says:
haha :p http://webcams.somehost.net/watch.php?=your@messenger.mail

It opens up a page like YouTube with a warning on the top that you don’t have Flash installed. If you click there, you are linked to an .exe file which i guess contains a virus.

Good luck!