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- Discovered:
- March 14, 2003
- Updated:
- February 13, 2007 11:44:43 AM
- Type:
- Virus
- Systems Affected:
- Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP
W32.Tosep is an encrypted Win32 virus that infects Windows Portable Executable (PE) files that have .exe extensions and reside in the same folder as the virus.
The PE files are portable files across all the Microsoft 32-bit operating systems. The same PE-format executable can be executed on any version of Windows 95, 98, Me, NT, or 2000. Therefore, all the PE files are executable, but not all the executable files are portable.
A good example of a PE is a screen saver (.scr) file.
Antivirus Protection Dates
- Initial Rapid Release version March 17, 2003
- Latest Rapid Release version September 28, 2010 revision 054
- Initial Daily Certified version March 17, 2003
- Latest Daily Certified version September 28, 2010 revision 036
- Initial Weekly Certified release date March 19, 2003
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Yana Liu
