Function at 0x42d357
Capabilities:
Check if file exists
Create process on windows
Delete registry value
Query or enumerate registry value

Disassembly:
push ebp
lea ebp, [esp - 0x600]
sub esp, 0x680
mov eax, dword [0x52ec00]
xor eax, ebp
mov dword [ebp + 0x5fc], eax
and dword [ebp - 0x1c], 0
and dword [ebp - 0x18], 0
push ebx
push esi
push edi
mov edi, dword [sym.imp.SHLWAPI.dll_SHGetValueW]
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x28]
push eax
push str.hasupdate
mov ebx, str.Softwarehao123JuziBrowser
push ebx
mov esi, 0x80000001
push esi
mov dword [ebp - 0x28], 1
mov dword [ebp - 0x2c], 4
call edi
test eax, eax
jne 0x42d626
cmp dword [ebp - 0x18], eax
je 0x42d626
push str.hasupdate
push ebx
push esi
call dword [sym.imp.SHLWAPI.dll_SHDeleteValueW]
xor eax, eax
push 0x7e
push eax
mov word [ebp + 0x57c], ax
lea eax, [ebp + 0x57e]
push eax
call fcn.004dbcc0
add esp, 0xc
lea eax, [ebp - 0x24]
push eax
lea eax, [ebp + 0x57c]
push eax
lea eax, [ebp - 0x20]
push eax
push str.chkupdate
push ebx
push esi
mov dword [ebp - 0x20], 1
mov dword [ebp - 0x24], 0x7e
call edi
test eax, eax
jne 0x42d626
xor edi, edi
cmp word [ebp + 0x57c], di
je 0x42d626
push str.chkupdate
push ebx
push esi
call dword [sym.imp.SHLWAPI.dll_SHDeleteValueW]
xor eax, eax
push 0x206
mov word [ebp + 0x1f4], ax
lea eax, [ebp + 0x1f6]
push edi
push eax
call fcn.004dbcc0
add esp, 0xc
push str.Installer
push 0x549db4
lea eax, [ebp + 0x1f4]
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
push str.Update.exe
lea eax, [ebp + 0x1f4]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
lea eax, [ebp + 0x1f4]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x42d626
xor eax, eax
push 0x7e
mov word [ebp + 0x4fc], ax
lea eax, [ebp + 0x4fe]
push edi
push eax
call fcn.004dbcc0
add esp, 0xc
lea edx, [ebp + 0x4fc]
lea ecx, [ebp + 0x1f4]
call fcn.0043136c
lea eax, [ebp + 0x4fc]
lea ecx, [eax + 2]
mov dx, word [eax]
inc eax
inc eax
cmp dx, di
jne 0x42d4c4
sub eax, ecx
sar eax, 1
add eax, eax
push eax
lea eax, [ebp + 0x4fc]
push eax
push 0x53090c
call fcn.004dbd40
xor eax, eax
push 0x7e
mov word [ebp + 0x3fc], ax
lea eax, [ebp + 0x3fe]
push edi
push eax
call fcn.004dbcc0
push 0xf0
lea ebx, [ebp + 0x3fc]
mov ecx, 0x5308e8
call fcn.004312a1
mov eax, ebx
push eax
lea eax, [ebp + 0x57c]
push eax
call fcn.004d5d48
add esp, 0x24
test eax, eax
jne 0x42d626
push 0x7e
mov word [ebp + 0x47c], ax
lea eax, [ebp + 0x47e]
push edi
push eax
call fcn.004dbcc0
add esp, 0xc
push 0x3f
pop ebx
lea esi, [ebp + 0x47c]
lea edi, [ebp + 0x1f4]
call fcn.00436f88
test eax, eax
je 0x42d626
xor eax, eax
cmp ax, word [0x54cba0]
jne 0x42d574
call fcn.004023e9
jmp 0x42d579
mov eax, 0x54cba0
lea ecx, [ebp + 0x47c]
push ecx
push eax
call fcn.00437045
pop ecx
pop ecx
test eax, eax
jge 0x42d626
xor eax, eax
push 0x206
mov word [ebp - 0x14], ax
xor esi, esi
lea eax, [ebp - 0x12]
push esi
push eax
call fcn.004dbcc0
push 0x549bac
push str._uppath:
lea eax, [ebp + 0x1f4]
push eax
push str.__s___s__s_
lea eax, [ebp - 0x14]
push 0x103
push eax
call fcn.004d5add
push 0x40
lea eax, [ebp - 0x7c]
push esi
push eax
call fcn.004dbcc0
xor eax, eax
mov dword [ebp - 0x3c], esi
lea edi, [ebp - 0x38]
stosd dword es:[edi], eax
stosd dword es:[edi], eax
add esp, 0x30
stosd dword es:[edi], eax
lea eax, [ebp - 0x3c]
push eax
lea eax, [ebp - 0x80]
push eax
push esi
push esi
push esi
xor edi, edi
inc edi
push edi
push esi
push esi
lea eax, [ebp - 0x14]
push eax
push esi
mov dword [ebp - 0x80], 0x44
mov dword [ebp - 0x54], 0x80
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x42d626
push dword [ebp - 0x38]
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call esi
push dword [ebp - 0x3c]
call esi
mov dword [ebp - 0x1c], edi
mov ecx, dword [ebp + 0x5fc]
mov eax, dword [ebp - 0x1c]
pop edi
pop esi
xor ecx, ebp
pop ebx
call fcn.004d5a7d
add ebp, 0x600
leave
ret