Versions

1, 5, 395, 0	6.25%
1, 5, 393, 22	31.25%
1, 5, 393, 22	12.50%
1, 5, 393, 18	25.00%
1, 5, 393, 18	6.25%
1, 5, 388, 0	6.25%
1, 5, 388, 0	6.25%
1, 5, 350, 0	6.25%

iswmenus.dll has 8 known versions, the most recent one is 1, 5, 395, 0. The average file size is about 1.12 MB. It is an authenticode code-signed executable issued to Check Point Software Technologies Ltd. by the certification authority VeriSign. This is a .NET Common Language Runtime (CLR) assembly.