Houston Municipal Court in Texas has had its operations shut down since last week because of a virus that has infected over 400 of its computers, according to media reports.
Although originally misidentified at the time of the initial infection on 4th February as the Conficker worm, the infection was ultimately declared by officials to be “W32/Virut.n” (which Sophos has detected as the W32/Scribble-A virus since 3rd February).
Scribble is a fast-infecting polymorphic virus, attempting to infect every file that is opened on a user’s computer and changing its shape in order to try and avoid detection. One of the reasons it has caused some firms problems appears to be its ability to modify HTM, HTML, PHP and ASP filetypes, typically used on web servers.
What that means is that if your users…
Read more in my article on the Naked Security website.
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