Etap is a cross-platform virus, infecting Windows executables and Linux ELF Executables. It was found in February 2002.
This virus has never been widespread. It is difficult to detect reliably as it is encrypted with variable encryption and it uses entry-point obfuscation techniques, which easily create false alarm problems for anti-virus programs.
A fix for this false alarm was shipped on Wednesday December 18th, 2002 through normal update channels. The false alarm is fixed with the following F-Secure Anti-Virus update: 2002-12-18_01
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F-Secure Anti-Virus definition update shipped late on December 17th 2002 contained a false alarm for the Etap virus.
This update will result in F-Secure Anti-Virus erronuously detecting the "Win32.Etap" virus in several clean files.
Examples of such clean files include:
RSE.DLL in Autodesk Inventor 6 SP1
VISLIB32.DLL from Microsoft Visio
S32GUIL.DLL from Norton Utilities
LXAKWEB.EXE from Lexmark drivers
3DADVSIM.DLL from AlphaCAM
3DVERIFY.DLL from AlphaCAM
NETWORKSENSOR.DLL from ISS Network Sensor
IPANEL.EXE from FORAN
You can safely ignore Etap warning on these files.