Function at 0x407403
Capabilities:
Check os version
Get common file path

Disassembly:
push ebp
mov ebp, esp
push edi
push esi
push ebx
sub esp, 0x5c
mov edi, dword [ebp + 0xc]
test edi, edi
jns 0x40741d
mov eax, dword [0x7a4cec]
not edi
mov edi, dword [eax + edi*4]
mov edx, dword [ebp + 8]
mov ebx, 0x7a4cfc
mov eax, dword [0x7a43c4]
sub edx, 0x7a4cfc
cmp edx, 0x7ff
ja 0x407442
mov ebx, dword [ebp + 8]
mov dword [ebp + 8], 0
add edi, eax
jmp 0x407695
inc edi
cmp al, 0xfc
jbe 0x407683
movsx edx, byte [edi + 1]
mov dword [ebp - 0x3c], edx
movsx edx, byte [edi]
mov ecx, edx
or ch, 0x80
mov dword [ebp - 0x2c], ecx
mov ecx, dword [ebp - 0x3c]
mov dword [ebp - 0x28], edx
or ch, 0x80
cmp al, 0xfe
mov dword [ebp - 0x24], ecx
mov ecx, dword [ebp - 0x3c]
mov dword [ebp - 0x20], ecx
jne 0x407602
mov dword [ebp - 0x44], edx
call sub.KERNEL32.dll_GetVersion
mov edx, dword [ebp - 0x44]
test eax, eax
jns 0x4074ab
cmp ax, 0x5a04
je 0x4074ab
cmp dword [ebp - 0x3c], 0x2e
sete al
cmp dword [ebp - 0x3c], 0x23
sete cl
or eax, ecx
movzx eax, al
mov dword [ebp - 0x40], eax
jmp 0x4074b2
mov dword [ebp - 0x40], 1
cmp dword [0x7a4340], 1
sbb esi, esi
and esi, 0xfffffffe
add esi, 4
test dl, dl
jns 0x407517
mov eax, edx
and edx, 0x3f
add edx, dword [0x7a43c4]
and eax, 0x40
mov dword [esp + 0x10], eax
xor esi, esi
mov dword [esp + 0xc], ebx
mov dword [esp + 8], edx
mov dword [esp + 4], str.SoftwareMicrosoftWindowsCurrentVersion
mov dword [esp], 0x80000002
call fcn.0040735d
sub esp, 0x14
cmp byte [ebx], 0
jne 0x4075db
mov eax, dword [ebp - 0x3c]
mov dword [esp], ebx
mov dword [esp + 4], eax
call fcn.00407403
push eax
push eax
jmp 0x4075db
cmp edx, 0x25
jne 0x40752e
mov dword [esp], ebx
mov dword [esp + 4], 0x400
call sub.KERNEL32.dll_GetSystemDirectoryA
jmp 0x407547
cmp edx, 0x24
jne 0x4075db
mov dword [esp + 4], 0x400
mov dword [esp], ebx
call sub.KERNEL32.dll_GetWindowsDirectoryA
push ecx
xor esi, esi
push ecx
jmp 0x4075db
dec esi
mov eax, dword [0x7a442c]
cmp dword [ebp - 0x40], 0
je 0x40758e
test eax, eax
je 0x40758e
mov edx, dword [ebp + esi*4 - 0x2c]
mov dword [esp + 0x10], ebx
mov dword [esp + 0xc], 0
mov dword [esp + 8], 0
mov dword [esp + 4], edx
mov edx, dword [0x7a443c]
mov dword [esp], edx
call eax
sub esp, 0x14
test eax, eax
je 0x4075e3
mov eax, dword [ebp + esi*4 - 0x2c]
lea edx, [ebp - 0x1c]
mov dword [esp + 8], edx
mov dword [esp + 4], eax
mov eax, dword [0x7a443c]
mov dword [esp], eax
call sub.SHELL32.DLL_SHGetSpecialFolderLocation
sub esp, 0xc
test eax, eax
jne 0x4075d8
mov eax, dword [ebp - 0x1c]
mov dword [esp + 4], ebx
mov dword [esp], eax
call sub.SHELL32.DLL_SHGetPathFromIDListA
push edx
push edx
mov edx, dword [ebp - 0x1c]
mov dword [ebp - 0x44], eax
mov dword [esp], edx
call sub.OLE32.dll_CoTaskMemFree
mov eax, dword [ebp - 0x44]
test eax, eax
push ecx
jne 0x4075e3
mov byte [ebx], 0
test esi, esi
jne 0x407550
cmp byte [ebx], 0
je 0x407654
cmp dword [ebp - 0x3c], 0x1a
jne 0x407654
mov dword [esp + 4], str.MicrosoftInternet_ExplorerQuick_Launch
mov dword [esp], ebx
call sub.KERNEL32.dll_lstrcatA
push edx
push edx
jmp 0x407654
mov esi, dword [ebp - 0x3c]
and edx, 0x7f
and esi, 0x7f
shl esi, 7
or esi, edx
cmp al, 0xfd
jne 0x40765f
cmp esi, 0x1d
jne 0x407634
mov eax, dword [0x7a443c]
mov dword [esp + 4], 0x40b4bf
mov dword [esp], ebx
mov dword [esp + 8], eax
call sub.USER32.dll_wsprintfA
jmp 0x40764c
mov eax, esi
shl eax, 0xa
add eax, section..ndata
mov dword [esp + 4], eax
mov dword [esp], ebx
call fcn.00407312
push eax
push eax
sub esi, 0x15
cmp esi, 6
ja 0x407673
mov dword [esp], ebx
call fcn.004071af
push esi
jmp 0x407673
inc al
jne 0x407673
not esi
mov dword [esp + 4], esi
mov dword [esp], ebx
call fcn.00407403
push ecx
push ecx
mov dword [esp], ebx
add edi, 2
call sub.KERNEL32.dll_lstrlenA
add ebx, eax
push edx
jmp 0x407695
lea edx, [ebx + 1]
jne 0x407691
mov al, byte [edi]
inc edi
mov byte [ebx], al
mov ebx, edx
jmp 0x407695
mov byte [ebx], al
mov ebx, edx
mov al, byte [edi]
test al, al
je 0x4076af
mov edx, ebx
sub edx, 0x7a4cfc
cmp edx, 0x3ff
jle 0x407449
mov byte [ebx], 0
mov eax, 0x7a4cfc
cmp dword [ebp + 8], 0
je 0x4076ce
mov ecx, dword [ebp + 8]
mov dword [esp + 4], eax
mov dword [esp], ecx
call fcn.00407312
push esi
push esi
lea esp, [ebp - 0xc]
pop ebx
pop esi
pop edi
pop ebp
ret 8