The Win32/Melting.Worm places a copy of itself into a Windows directory, calling itself MeltingScreen.exe, and remains in system memory. Files with .EXE extensions in the Windows directory are then renamed with a .BIN extension.
These changes may permanently render the operating system unusable, which means a complete reinstallation will be necessary.
"This Worm presents a great threat to e-businesses due to its ability to not only immediately shut down critical platforms, but also to render those platforms permanently unusable," said Simon Perry, CA vice president, security solutions.
Further information about the Melting.Worm virus is available at virusinfo.