Function at 0x422bdb
Capabilities:
Acquire debug privileges
Check if file exists
Create process on windows
Create thread
Query or enumerate registry value
Set registry value

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x724
mov eax, dword [0x52ec00]
xor eax, esp
mov dword [esp + 0x720], eax
push ebx
push esi
push edi
lea eax, [esp + 0x1c]
push eax
xor esi, esi
push 0x28
mov ebx, ecx
mov dword [esp + 0x24], esi
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
test eax, eax
je 0x422c57
lea eax, [esp + 0x3c]
push eax
push str.SeDebugPrivilege
push esi
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueW]
push esi
push esi
push esi
lea eax, [esp + 0x44]
push eax
push esi
push dword [esp + 0x30]
xor edi, edi
inc edi
mov dword [esp + 0x50], edi
mov dword [esp + 0x5c], 2
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
push dword [esp + 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x422c5a
xor edi, edi
inc edi
push esi
push esi
push edi
push esi
call dword [sym.imp.KERNEL32.dll_CreateEventW]
mov dword [0x549b4c], eax
cmp eax, esi
je 0x422c96
lea eax, [esp + 0x10]
push eax
push esi
push 0x549b48
push 0x402068
push esi
push esi
mov dword [esp + 0x28], esi
call fcn.004d67c7
add esp, 0x18
cmp eax, esi
je 0x422c96
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, ebx
call fcn.0042279f
call fcn.00402820
push esi
push 0xffffffffffffffff
call fcn.0040268b
call fcn.0042cd34
call fcn.0042cd69
call fcn.0041104d
push 4
pop eax
mov dword [esp + 0x24], eax
mov dword [esp + 0x20], eax
lea eax, [esp + 0x20]
push eax
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x2c]
push eax
push str.favimport
mov dword [esp + 0x24], edi
mov esi, str.Softwarehao123JuziBrowser
push esi
mov edi, 0x80000001
push edi
call dword [sym.imp.SHLWAPI.dll_SHGetValueW]
mov ebx, 0x206
test eax, eax
jne 0x422d01
cmp dword [esp + 0x14], eax
je 0x422e09
and dword [esp + 0x14], 0
push 4
lea eax, [esp + 0x18]
push eax
push 4
push str.favimport
push esi
push edi
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
xor eax, eax
push ebx
push eax
mov word [esp + 0x118], ax
lea eax, [esp + 0x11a]
push eax
call fcn.004dbcc0
add esp, 0xc
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x114]
push eax
lea eax, [esp + 0x18]
push eax
push str.lastdefbrowser
push esi
push edi
mov edi, dword [sym.imp.SHLWAPI.dll_SHGetValueW]
mov dword [esp + 0x28], 1
mov dword [esp + 0x30], ebx
call edi
test eax, eax
jne 0x422d90
lea eax, [esp + 0x110]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x422d90
call fcn.0044ab70
lea eax, [esp + 0x110]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
jmp 0x422df9
push 0x208
lea eax, [esp + 0x114]
push 0
push eax
call fcn.004dbcc0
add esp, 0xc
lea eax, [esp + 0x18]
push eax
lea eax, [esp + 0x114]
push eax
lea eax, [esp + 0x18]
push eax
push str.lastdefbrowser
push esi
push 0x80000002
mov dword [esp + 0x28], 1
mov dword [esp + 0x30], ebx
call edi
test eax, eax
jne 0x422e09
mov esi, dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
lea eax, [esp + 0x110]
push eax
call esi
test eax, eax
je 0x422e09
call fcn.0044ab70
lea eax, [esp + 0x110]
push eax
call esi
test eax, eax
je 0x422e09
lea ecx, [esp + 0x110]
call fcn.0044bf1a
xor eax, eax
push ebx
push eax
mov word [esp + 0x528], ax
lea eax, [esp + 0x52a]
push eax
call fcn.004dbcc0
add esp, 0xc
push 9
push str.__class
push 0x549bac
push str.__s___s_d
lea eax, [esp + 0x530]
push 0x103
push eax
call fcn.004d5add
push 0x40
xor esi, esi
lea eax, [esp + 0x68]
push esi
push eax
call fcn.004dbcc0
xor eax, eax
mov dword [esp + 0x4c], esi
lea edi, [esp + 0x50]
stosd dword es:[edi], eax
add esp, 0x24
stosd dword es:[edi], eax
stosd dword es:[edi], eax
lea eax, [esp + 0x28]
push eax
lea eax, [esp + 0x4c]
push eax
push esi
push esi
push esi
push 1
push esi
push esi
lea eax, [esp + 0x540]
push eax
push esi
mov dword [esp + 0x70], 0x44
mov dword [esp + 0x9c], 0x80
call dword [sym.imp.KERNEL32.dll_CreateProcessW]
test eax, eax
je 0x422eb0
push dword [esp + 0x2c]
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
call edi
push dword [esp + 0x28]
call edi
xor eax, eax
push ebx
mov word [esp + 0x31c], ax
lea eax, [esp + 0x31e]
push esi
push eax
call fcn.004dbcc0
add esp, 0xc
push str.Installer
push 0x549db4
lea eax, [esp + 0x320]
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
push str.Uninst.exe
lea eax, [esp + 0x31c]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
lea eax, [esp + 0x318]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x422f87
xor eax, eax
push 0x7e
mov word [esp + 0x94], ax
lea eax, [esp + 0x96]
push esi
push eax
call fcn.004dbcc0
add esp, 0xc
push 0x3f
pop ebx
lea esi, [esp + 0x90]
lea edi, [esp + 0x318]
call fcn.00436f88
test eax, eax
je 0x422f7b
xor eax, eax
cmp ax, word [0x54cba0]
jne 0x422f52
call fcn.004023e9
jmp 0x422f57
mov eax, 0x54cba0
push eax
lea eax, [esp + 0x94]
push eax
call fcn.004d5d48
pop ecx
pop ecx
test eax, eax
jne 0x422f7b
lea esi, [esp + 0x318]
call fcn.00418e0d
test eax, eax
jne 0x422f87
lea ecx, [esp + 0x318]
call fcn.004372a5
call fcn.0042286c
mov ecx, dword [esp + 0x72c]
pop edi
pop esi
pop ebx
xor ecx, esp
call fcn.004d5a7d
mov esp, ebp
pop ebp
ret