Function at 0x448e70
Capabilities:
Check if file exists
Create process on windows
Get file attributes
Query environment variable

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x517b99
mov eax, dword fs:[0]
push eax
sub esp, 0x25c
mov eax, dword [0x573054]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
xor ebx, ebx
mov dword [ebp - 0x268], ebx
cmp dword [edi + 0x10], ebx
je 0x4490e0
lea eax, [ebp - 0x130]
push eax
call fcn.004b32d0
add esp, 4
cmp dword [ebp - 0x12c], 6
jb 0x449175
cmp byte [ebp + 0xc], bl
je 0x448f06
push str.FlashHelperService.exe
lea ecx, [ebp - 0x260]
call fcn.004032f0
mov dword [ebp - 4], ebx
lea ecx, [ebp - 0x260]
mov ebx, 1
mov dword [ebp - 0x268], ebx
call fcn.004bbff0
mov byte [ebp - 0x261], bl
test al, al
jne 0x448f0d
mov byte [ebp - 0x261], 0
mov dword [ebp - 4], 0xffffffff
test bl, 1
je 0x448f32
lea ecx, [ebp - 0x260]
mov dword [ebp - 4], 1
call fcn.00403370
mov dword [ebp - 4], 0xffffffff
cmp byte [ebp - 0x261], 0
je 0x449175
push 0x32
xor eax, eax
mov dword [ebp - 0x238], 0
mov dword [ebp - 0x234], 0
lea ecx, [ebp - 0x248]
push str._ProgramFiles_x86__Internet_Exploreriexplore.exe
mov dword [ebp - 0x238], 0
mov dword [ebp - 0x234], 7
mov word [ebp - 0x248], ax
call fcn.004033d0
mov dword [ebp - 4], 5
lea ecx, [ebp - 0x230]
push 0x2d
xor eax, eax
mov dword [ebp - 0x220], 0
mov dword [ebp - 0x21c], 0
push str._ProgramFiles_Internet_Exploreriexplore.exe
mov dword [ebp - 0x220], 0
mov dword [ebp - 0x21c], 7
mov word [ebp - 0x230], ax
call fcn.004033d0
mov dword [ebp - 4], 7
xor eax, eax
mov dword [ebp - 0x250], 0
mov dword [ebp - 0x24c], 0
mov dword [ebp - 0x250], 0
mov dword [ebp - 0x24c], 7
mov word [ebp - 0x260], ax
lea ecx, [ebp - 0x260]
mov byte [ebp - 4], 8
call fcn.004af490
test al, al
je 0x44911c
call fcn.004af6b0
test al, al
je 0x44911c
mov ebx, dword [sym.imp.SHELL32.dll_ShellExecuteW]
lea esi, [ebp - 0x248]
nop dword [eax]
nop dword [eax + eax]
push 0x208
lea eax, [ebp - 0x218]
push 0
push eax
call sub.VCRUNTIME140.dll_memset
add esp, 0xc
mov eax, esi
cmp dword [esi + 0x14], 8
jb 0x449060
mov eax, dword [esi]
push 0x103
lea ecx, [ebp - 0x218]
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x4490a8
cmp dword [edi + 0x14], 8
mov eax, edi
jb 0x44908f
mov eax, dword [edi]
push 1
push 0
push eax
lea eax, [ebp - 0x218]
push eax
push str.open
push 0
call ebx
test eax, eax
jne 0x4490e7
add esi, 0x18
lea eax, [ebp - 0x218]
cmp esi, eax
jne 0x449040
lea ecx, [ebp - 0x260]
mov byte [ebp - 4], 0x11
call fcn.00403370
push fcn.004032a0
push 2
push 0x18
lea eax, [ebp - 0x248]
mov dword [ebp - 4], 0xffffffff
push eax
call fcn.0050f4e1
xor eax, eax
jmp 0x449216
lea ecx, [ebp - 0x260]
mov byte [ebp - 4], 9
call fcn.00403370
push fcn.004032a0
push 2
push 0x18
lea eax, [ebp - 0x248]
mov dword [ebp - 4], 0xffffffff
push eax
call fcn.0050f4e1
mov eax, 4
jmp 0x449216
cmp dword [edi + 0x14], 8
jb 0x449124
mov edi, dword [edi]
push 1
push 0
push 0
push edi
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
test eax, eax
je 0x4490b5
lea ecx, [ebp - 0x260]
mov byte [ebp - 4], 0xd
call fcn.00403370
push fcn.004032a0
push 2
push 0x18
lea eax, [ebp - 0x248]
mov dword [ebp - 4], 0xffffffff
push eax
call fcn.0050f4e1
mov eax, 5
jmp 0x449216
push 0x50
xor eax, eax
mov dword [ebp - 0x250], 0
mov dword [ebp - 0x24c], 0
lea ecx, [ebp - 0x260]
push str.__third_party_invokerS___third_party_type1___third_party_entry1___authority1
mov dword [ebp - 0x250], 0
mov dword [ebp - 0x24c], 7
mov word [ebp - 0x260], ax
call fcn.004033d0
lea edx, [ebp - 0x260]
mov dword [ebp - 4], 0x15
mov ecx, edi
call fcn.004af7c0
mov esi, eax
lea ecx, [ebp - 0x260]
mov dword [ebp - 4], 0x16
call fcn.00403370
mov dword [ebp - 4], 0xffffffff
cmp esi, 2
je 0x449211
cmp esi, 3
je 0x449211
cmp esi, 0x12
je 0x44920a
cmp esi, 0x13
je 0x44920a
xor eax, eax
mov ecx, 3
cmp esi, 0x10
cmove eax, ecx
jmp 0x449216
mov eax, 2
jmp 0x449216
mov eax, 1
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0050f48d
mov esp, ebp
pop ebp
ret 8