Function at 0x40403b
Capabilities:
Check for time delay via gettickcount
Encode data using xor
Generate random numbers using the delphi lcg
Get file size
Get system information on windows
Read file via mapping
Resolve function by parsing pe exports

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x91c
push ebx
push esi
push edi
call fcn.00403bd5
mov esi, dword [sym.imp.KERNEL32.dll_GetTickCount]
call esi
and eax, 0x11
cmp eax, 0x111
je 0x40448b
call esi
mov ebx, dword [esp + 0x28]
mov dword [0x40500c], eax
call fcn.00403cca
mov ecx, eax
sub ecx, dword [0x40500c]
push 3
xor edx, edx
mov eax, ecx
pop esi
div esi
test ecx, 0xffff8000
jne 0x404318
xor eax, eax
xor edi, edi
mov dword [esp + 0x924], edi
mov word [esp + 0x510], ax
mov dword [esp + 0x50c], edi
mov word [esp + 0xf8], ax
call fcn.00403cca
mov ecx, eax
sub ecx, dword [0x40500c]
xor edx, edx
mov eax, ecx
div esi
test ecx, 0xffff8000
jne 0x404201
lea eax, [esp + 0xd4]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemInfo]
mov dword [esp + 0x18], edi
mov dword [esp + 0x1c], edi
xor esi, esi
push 0x1c
lea eax, [esp + 0x50]
push eax
push dword [esp + 0x20]
call dword [sym.imp.KERNEL32.dll_VirtualQuery]
test eax, eax
je 0x40453b
mov eax, dword [esp + 0x4c]
xor edx, edx
div dword [esp + 0xf0]
mov ecx, dword [esp + 0x58]
test edx, edx
jne 0x40414e
mov eax, 0x1000
cmp ecx, eax
jne 0x40414e
cmp dword [esp + 0x5c], eax
jne 0x40414e
cmp dword [esp + 0x64], 0x20000
jne 0x40414e
cmp dword [esp + 0x60], 4
jne 0x40414e
mov eax, dword [esp + 0x18]
cmp dword [eax], 0x696d7678
jne 0x40414e
cmp dword [eax + 4], 0x74636a6e
je 0x40416a
add dword [esp + 0x18], ecx
adc dword [esp + 0x1c], edi
cmp dword [esp + 0x1c], edi
ja 0x40416c
jb 0x4040eb
cmp dword [esp + 0x18], 0x7fff0000
jae 0x40416c
jmp 0x4040eb
mov esi, eax
mov dword [esp + 0x28], edi
mov dword [esp + 0x3c], edi
cmp esi, edi
je 0x4041bc
push edi
push edi
push edi
push 4
push dword [esi + 0x10]
mov esi, dword [sym.imp.KERNEL32.dll_MapViewOfFile]
call esi
mov dword [esp + 0x28], eax
cmp eax, edi
je 0x404574
push edi
push edi
push edi
push 6
push dword [eax + 8]
call esi
mov dword [esp + 0x3c], eax
cmp eax, edi
je 0x404584
add eax, 0x1c
push eax
lea eax, [esp + 0x514]
call fcn.0040486e
jmp 0x4041e3
push 0x104
lea eax, [esp + 0x514]
push eax
push edi
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea ecx, [esp + 0x510]
call fcn.004047b8
mov dword [esp + 0x924], eax
call fcn.00403cca
mov ecx, eax
sub ecx, dword [0x40500c]
push 3
xor edx, edx
mov eax, ecx
pop esi
div esi
test ecx, 0xffff8000
je 0x404208
cmp edx, edi
jmp 0x40431a
lea eax, [esp + 0x510]
push eax
lea esi, [esp + 0xfc]
call fcn.00404832
push 0x4010c4
call fcn.00404832
push edi
push edi
push 3
push edi
push 7
push 0x80000000
lea eax, [esp + 0x528]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov dword [esp + 0x10], eax
cmp eax, 0xffffffff
je 0x404594
call fcn.00403c0e
test eax, eax
jne 0x404070
xor edi, edi
push edi
push edi
push edi
push 2
push edi
push dword [esp + 0x24]
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [esp + 0x24], eax
cmp eax, edi
je 0x4045a4
mov esi, dword [sym.imp.KERNEL32.dll_MapViewOfFile]
push 0x1000
push edi
push edi
push 4
push eax
call esi
mov dword [esp + 0x14], eax
cmp eax, edi
je 0x4045b4
mov edi, eax
call fcn.00403c47
push dword [esp + 0x14]
mov edi, eax
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
lea eax, [esp + 0xa0]
push eax
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_GetFileInformationByHandle]
test eax, eax
je 0x4045c4
xor eax, eax
cmp dword [esp + 0xc0], eax
jne 0x4042db
cmp dword [esp + 0xc4], edi
jbe 0x4047b1
add edi, 0x1000
push edi
push eax
push eax
push 4
push dword [esp + 0x34]
call esi
mov edi, eax
mov dword [esp + 0x14], edi
test edi, edi
je 0x4045d4
call fcn.00403cca
mov ecx, eax
sub ecx, dword [0x40500c]
push 3
xor edx, edx
mov eax, ecx
pop esi
div esi
test ecx, 0xffff8000
je 0x40432e
test edx, edx
je 0x4046e7
cmp edx, 1
je 0x404070
jmp 0x40448f
call fcn.00403c47
add eax, edi
mov ecx, dword [eax]
push 4
pop esi
add eax, esi
cmp ecx, 0x6d7678
jne 0x4045e4
mov ecx, dword [eax]
add eax, esi
cmp ecx, 3
jne 0x4045ff
mov ecx, dword [eax]
mov edx, ecx
imul edx, edx, 0x8088405
add eax, esi
mov edi, dword [eax]
inc edx
mov ebx, edx
xor ebx, ecx
add eax, esi
mov dword [esp + 0x34], edx
cmp ebx, edi
jne 0x40461a
mov edi, dword [eax]
mov ecx, edx
imul ecx, ecx, 0x8088405
inc ecx
mov ebx, ecx
xor ebx, edx
add eax, esi
cmp ebx, edi
jne 0x404635
mov edx, dword [eax]
imul ecx, ecx, 0x8088405
inc ecx
xor edx, ecx
imul ecx, ecx, 0x8088405
push dword [esp + 0x14]
add eax, esi
mov esi, dword [eax]
inc ecx
xor esi, ecx
imul ecx, ecx, 0x2b9ad7e7
add eax, 8
mov edi, eax
sub edi, dword [esp + 0x18]
mov ebx, 0x8088406
sub ebx, ecx
xor ebx, dword [eax]
add edi, 4
add ebx, edi
mov dword [esp + 0x34], edx
mov dword [esp + 0x3c], esi
add ebx, esi
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push dword [esp + 0x24]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
xor eax, eax
push eax
push eax
push eax
push 8
push eax
push dword [esp + 0x24]
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov dword [esp + 0x24], eax
test eax, eax
je 0x404650
lea ecx, [edi + esi]
push ecx
push 0
push 0
push 1
push eax
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
xor ecx, ecx
mov dword [esp + 0x14], eax
cmp eax, ecx
je 0x404660
add eax, edi
mov dword [esp + 0x2c], eax
cmp esi, ecx
jbe 0x404446
mov edx, dword [esp + 0x34]
imul edx, edx, 0x343fd
add edx, 0x269ec3
mov dword [esp + 0x34], edx
shr edx, 0x10
xor byte [eax], dl
inc eax
dec esi
jne 0x404429
lea esi, [esp + 0x68]
mov dword [esp + 0x88], ecx
mov dword [esp + 0x8c], ecx
mov dword [esp + 0x90], ecx
mov dword [esp + 0x6c], ecx
mov dword [esp + 0x68], ecx
call fcn.00403b60
test eax, eax
je 0x40448f
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
push 0x40128c
jmp 0x404741
mov ebx, dword [esp + 0x28]
push 4
push 0x1000
push dword [esp + 0x38]
push 0
call dword [sym.imp.KERNEL32.dll_VirtualAlloc]
mov esi, eax
call fcn.00403cca
mov ecx, eax
sub ecx, dword [0x40500c]
push 3
xor edx, edx
mov eax, ecx
pop edi
div edi
test ecx, 0xffff8000
jne 0x404525
mov eax, dword [esp + 0x38]
mov dword [esp + 0x6c], eax
mov eax, dword [esp + 0x2c]
mov dword [esp + 0x68], eax
mov eax, dword [esp + 0x30]
mov dword [esp + 0x78], eax
lea eax, [esp + 0x68]
push eax
mov dword [esp + 0x78], esi
call fcn.00402cb0
pop ecx
cmp eax, 1
jne 0x404670
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
push dword [esp + 0x24]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
call fcn.00403cca
mov ecx, eax
sub ecx, dword [0x40500c]
xor edx, edx
mov eax, ecx
div edi
test ecx, 0xffff8000
je 0x40468b
test edx, edx
je 0x4046e7
cmp edx, 1
jne 0x40448f
jmp 0x404070
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x4010b0
lea esi, [esp + 0xfc]
mov edi, eax
call fcn.00404832
push 0xa
mov eax, edi
mov ecx, esi
call fcn.004047c9
push 0x4010c4
call fcn.00404832
mov eax, dword [esp + 0x18]
push 0x10
jmp 0x40471c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x401160
jmp 0x40470a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x401174
jmp 0x40470a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x401188
jmp 0x40470a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x4011d4
jmp 0x40470a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x4011e8
jmp 0x40470a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x4011fc
jmp 0x40470a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x401210
jmp 0x40470a
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
push 0x401224
jmp 0x404741
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
push 0x401234
jmp 0x404741
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
push 0x401244
jmp 0x404741
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
push 0x401254
jmp 0x404741
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x401264
jmp 0x40470a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x401278
jmp 0x40470a
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
push 0x40129c
jmp 0x404741
push esi
call fcn.00403d8f
mov dword [esp], 0x8000
push dword [esp + 0x34]
mov edi, eax
push esi
call dword [sym.imp.KERNEL32.dll_VirtualFree]
test edi, edi
je 0x404746
push edi
call fcn.00403c94
pop ecx
push edi
call fcn.00403cf7
pop ecx
mov dword [esp + 0x38], eax
test eax, eax
jne 0x4046db
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
push 0x4012b4
jmp 0x404741
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
mov dword [esp + 0x2c], eax
xor edi, edi
push edi
push edi
push edi
push 2
push edi
push dword [esp + 0x24]
call dword [sym.imp.KERNEL32.dll_CreateFileMappingW]
mov esi, eax
cmp esi, edi
jne 0x40476f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push 0x4012c4
lea esi, [esp + 0xfc]
mov edi, eax
call fcn.00404832
mov eax, edi
push 0xa
lea ecx, [esp + 0xfc]
call fcn.004047c9
mov esi, 0x405010
push 0x4010d0
mov eax, esi
call fcn.0040486e
lea eax, [esp + 0xf8]
push eax
call fcn.00404832
push 0x4012d8
push 0x4012e4
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0x10
push 0x401300
push 0x405010
push 0
call eax
jmp 0x4047b1
lea eax, [esp + 0x40]
push eax
push dword [esp + 0x14]
call dword [sym.imp.KERNEL32.dll_GetFileSizeEx]
push dword [esp + 0x10]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push dword [esp + 0x3c]
add ebx, 0xffff
push dword [esp + 0x2c]
shr ebx, 0x10
shl ebx, 0x10
push ebx
push dword [esp + 0x50]
push dword [esp + 0x50]
push esi
push dword [esp + 0x44]
call dword [esp + 0x54]
add esp, 0x1c
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret