Function at 0x419d30
Capabilities:
Check if file exists
Create a process with modified i/o handles and window
Create process on windows

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
push 0xffffffffffffffff
push 0x4712cf
mov eax, dword fs:[0]
push eax
sub esp, 0x78
mov eax, dword [0x48e110]
xor eax, esp
mov dword [esp + 0x70], eax
push ebx
push esi
push edi
mov eax, dword [0x48e110]
xor eax, esp
push eax
lea eax, [esp + 0x88]
mov dword fs:[0], eax
mov esi, ecx
mov dword [esp + 0x30], esi
add esi, 0x44
lea eax, [esp + 0x18]
push esi
push eax
mov ebx, str.bfvwebhelper.dll
mov dword [esp + 0x34], esi
call fcn.00402c10
add esp, 8
xor ebx, ebx
mov dword [esp + 0x90], ebx
mov ecx, dword [esp + 0x18]
push ecx
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x419e9d
mov edx, dword [section..data]
mov eax, dword [edx + 0xc]
mov ecx, section..data
call eax
add eax, 0x10
mov dword [esp + 0x10], eax
mov byte [esp + 0x90], 1
mov ecx, dword [esp + 0x18]
push ecx
push str.regsvr32__s___s_
lea edi, [esp + 0x18]
call fcn.00413e20
mov edi, dword [esp + 0x18]
add esp, 8
cmp dword [edi - 4], 1
jle 0x419df7
mov edx, dword [edi - 0xc]
push edx
lea eax, [esp + 0x14]
push eax
call fcn.00403180
mov edi, dword [esp + 0x10]
push 0x40
lea ecx, [esp + 0x3c]
push ebx
push ecx
call fcn.0045c960
add esp, 0xc
xor eax, eax
lea edx, [esp + 0x1c]
push edx
mov dword [esp + 0x24], eax
mov dword [esp + 0x28], eax
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x38]
push eax
push ebx
push ebx
push ebx
push ebx
push ebx
push ebx
push edi
push ebx
mov dword [esp + 0x44], ebx
mov dword [esp + 0x5c], 0x44
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x419e53
mov ecx, dword [esp + 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [esp + 0x20]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [edi - 8]
push eax
push edi
call fcn.0045ae41
add esp, 8
cmp eax, ebx
jl 0x41a066
cmp eax, dword [edi - 8]
jg 0x41a066
mov dword [edi - 0xc], eax
xor ecx, ecx
mov word [edi + eax*2], cx
add edi, 0xfffffff0
mov byte [esp + 0x90], bl
lea edx, [edi + 0xc]
or eax, 0xffffffff
lock xadd dword [edx], eax
dec eax
test eax, eax
jg 0x419e9d
mov ecx, dword [edi]
mov edx, dword [ecx]
mov eax, dword [edx + 4]
push edi
call eax
call fcn.00403680
test al, al
je 0x41a002
lea ecx, [esp + 0x14]
push esi
push ecx
mov ebx, str.bfvwebhelper64.dll
call fcn.00402c10
add esp, 8
lea edi, [esp + 0x18]
mov byte [esp + 0x90], 2
call fcn.00402ab0
mov byte [esp + 0x90], 0
mov eax, dword [esp + 0x14]
add eax, 0xfffffff0
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x419ef6
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [esp + 0x18]
push ecx
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x41a002
mov edx, dword [section..data]
mov eax, dword [edx + 0xc]
mov ecx, section..data
call eax
add eax, 0x10
mov dword [esp + 0x10], eax
mov byte [esp + 0x90], 3
mov ecx, dword [esp + 0x18]
push ecx
push str.regsvr32__s___s_
lea edi, [esp + 0x18]
call fcn.00413e20
mov edi, dword [esp + 0x18]
add esp, 8
cmp dword [edi - 4], 1
jle 0x419f5a
mov edx, dword [edi - 0xc]
push edx
lea eax, [esp + 0x14]
push eax
call fcn.00403180
mov edi, dword [esp + 0x10]
push 0x40
xor ebx, ebx
lea ecx, [esp + 0x3c]
push ebx
push ecx
call fcn.0045c960
add esp, 0xc
xor eax, eax
lea edx, [esp + 0x1c]
push edx
mov dword [esp + 0x24], eax
mov dword [esp + 0x28], eax
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x38]
push eax
push ebx
push ebx
push ebx
push ebx
push ebx
push ebx
push edi
push ebx
mov dword [esp + 0x44], ebx
mov dword [esp + 0x5c], 0x44
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x419fb8
mov ecx, dword [esp + 0x1c]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edx, dword [esp + 0x20]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov eax, dword [edi - 8]
push eax
push edi
call fcn.0045ae41
add esp, 8
cmp eax, ebx
jl 0x41a066
cmp eax, dword [edi - 8]
jg 0x41a066
mov dword [edi - 0xc], eax
xor ecx, ecx
mov word [edi + eax*2], cx
add edi, 0xfffffff0
mov byte [esp + 0x90], bl
lea edx, [edi + 0xc]
or eax, 0xffffffff
lock xadd dword [edx], eax
dec eax
test eax, eax
jg 0x41a002
mov ecx, dword [edi]
mov edx, dword [ecx]
mov eax, dword [edx + 4]
push edi
call eax
lea ecx, [esp + 0x14]
push esi
push ecx
mov ebx, 0x478c28
call fcn.00402c10
add esp, 8
mov byte [esp + 0x90], 4
mov ecx, dword [eax]
mov edi, dword [esp + 0x18]
lea eax, [ecx - 0x10]
add edi, 0xfffffff0
cmp eax, edi
je 0x41a07e
cmp dword [edi + 0xc], 0
lea ebx, [edi + 0xc]
jl 0x41a070
mov edx, dword [eax]
cmp edx, dword [edi]
jne 0x41a070
call fcn.004033b0
mov esi, eax
or eax, 0xffffffff
lock xadd dword [ebx], eax
dec eax
test eax, eax
jg 0x41a059
mov ecx, dword [edi]
mov edx, dword [ecx]
mov eax, dword [edx + 4]
push edi
call eax
add esi, 0x10
mov dword [esp + 0x18], esi
mov esi, dword [esp + 0x2c]
jmp 0x41a07e
push 0x80070057
call fcn.00401950
mov ebx, dword [ecx - 0xc]
push ecx
lea ecx, [esp + 0x1c]
push ecx
call fcn.004032a0
mov byte [esp + 0x90], 0
mov eax, dword [esp + 0x14]
add eax, 0xfffffff0
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x41a0a6
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [esp + 0x18]
push ecx
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x41a1ba
mov edx, dword [section..data]
mov eax, dword [edx + 0xc]
mov ecx, section..data
call eax
add eax, 0x10
mov dword [esp + 0x10], eax
mov byte [esp + 0x90], 5
mov ecx, dword [esp + 0x18]
push ecx
push str.regsvr32__s___s_
lea edi, [esp + 0x18]
call fcn.00413e20
mov edi, dword [esp + 0x18]
add esp, 8
cmp dword [edi - 4], 1
jle 0x41a10a
mov edx, dword [edi - 0xc]
push edx
lea eax, [esp + 0x14]
push eax
call fcn.00403180
mov edi, dword [esp + 0x10]
push 0x40
lea ecx, [esp + 0x3c]
push 0
push ecx
call fcn.0045c960
add esp, 0xc
xor eax, eax
lea edx, [esp + 0x1c]
push edx
mov dword [esp + 0x24], eax
mov dword [esp + 0x28], eax
mov dword [esp + 0x2c], eax
lea eax, [esp + 0x38]
push eax
push 0
push 0
push 0
push 0
push 0
push 0
push edi
push 0
mov dword [esp + 0x44], 0
mov dword [esp + 0x5c], 0x44
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x41a170
mov ecx, dword [esp + 0x1c]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
push ecx
call ebx
mov edx, dword [esp + 0x20]
push edx
call ebx
mov eax, dword [edi - 8]
push eax
push edi
call fcn.0045ae41
add esp, 8
test eax, eax
js 0x41a066
cmp eax, dword [edi - 8]
jg 0x41a066
mov dword [edi - 0xc], eax
xor ecx, ecx
mov word [edi + eax*2], cx
add edi, 0xfffffff0
mov byte [esp + 0x90], cl
lea edx, [edi + 0xc]
or eax, 0xffffffff
lock xadd dword [edx], eax
dec eax
test eax, eax
jg 0x41a1ba
mov ecx, dword [edi]
mov edx, dword [ecx]
mov eax, dword [edx + 4]
push edi
call eax
mov ecx, dword [esp + 0x30]
cmp dword [ecx + 0x64], 0
je 0x41a3a9
call fcn.00403680
push esi
test al, al
je 0x41a24c
lea edx, [esp + 0x18]
push edx
mov ebx, 0x478c44
call fcn.00402c10
add esp, 8
mov bl, 6
mov byte [esp + 0x90], bl
mov eax, dword [esp + 0x14]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x41a31d
mov edx, dword [section..data]
mov eax, dword [edx + 0xc]
mov ecx, section..data
call eax
add eax, 0x10
mov dword [esp + 0x10], eax
mov byte [esp + 0x90], 7
mov ecx, dword [esp + 0x14]
push ecx
push str.regsvr32__s___s_
lea edi, [esp + 0x18]
call fcn.00413e20
mov esi, dword [esp + 0x18]
add esp, 8
cmp dword [esi - 4], 1
jle 0x41a2c8
mov edx, dword [esi - 0xc]
push edx
mov eax, edi
push eax
jmp 0x41a2bf
lea ecx, [esp + 0x18]
push ecx
mov ebx, 0x478c6c
call fcn.00402c10
add esp, 8
mov bl, 8
mov byte [esp + 0x90], bl
mov edx, dword [esp + 0x14]
push edx
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x41a31d
mov eax, dword [section..data]
mov edx, dword [eax + 0xc]
mov ecx, section..data
call edx
add eax, 0x10
mov dword [esp + 0x10], eax
mov byte [esp + 0x90], 9
mov eax, dword [esp + 0x14]
push eax
push str.regsvr32__s___s_
lea edi, [esp + 0x18]
call fcn.00413e20
mov esi, dword [esp + 0x18]
add esp, 8
cmp dword [esi - 4], 1
jle 0x41a2c8
mov ecx, dword [esi - 0xc]
push ecx
mov edx, edi
push edx
call fcn.00403180
mov esi, dword [esp + 0x10]
push esi
xor eax, eax
call fcn.00401000
mov eax, dword [esi - 8]
add esp, 4
push eax
push esi
call fcn.0045ae41
add esp, 8
test eax, eax
js 0x41a066
cmp eax, dword [esi - 8]
jg 0x41a066
xor ecx, ecx
mov dword [esi - 0xc], eax
mov word [esi + eax*2], cx
lea eax, [esi - 0x10]
mov byte [esp + 0x90], bl
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x41a31d
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov byte [esp + 0x90], 0
mov eax, dword [esp + 0x14]
add eax, 0xfffffff0
or edx, 0xffffffff
lea ecx, [eax + 0xc]
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x41a345
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
call fcn.0041a400
push 0
push 0
push 0x1000
push 0x8000000
call dword [sym.imp.SHELL32.dll_SHChangeNotify]
push 0
push str.Progman
call dword [sym.imp.USER32.dll_FindWindowW]
mov esi, dword [sym.imp.USER32.dll_FindWindowExW]
push 0
push str.SHELLDLL_DefView
push 0
push eax
call esi
push 0
push str.SysListView32
push 0
push eax
call esi
mov edi, dword [sym.imp.USER32.dll_PostMessageW]
push 0
push 0x74
mov esi, eax
push 0x100
push esi
call edi
push 0
push 0x74
push 0x101
push esi
call edi
mov dword [esp + 0x90], 0xffffffff
mov eax, dword [esp + 0x18]
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x41a3d4
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [esp + 0x88]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x70]
xor ecx, esp
call fcn.0045a10c
mov esp, ebp
pop ebp
ret