Function at 0x41979e
Capabilities:
Query or enumerate registry value
Set current directory

Disassembly:
mov eax, 0x446950
call fcn.004312c8
sub esp, 0x474
mov eax, dword [ebp + 0xc]
push ebx
xor ebx, ebx
push esi
mov dword [ebp - 0x14], ecx
push edi
mov dword [eax], ebx
mov ecx, 0x81
xor eax, eax
lea edi, [ebp - 0x276]
mov word [ebp - 0x278], bx
mov byte [ebp - 0xd], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
mov eax, dword [ebp + 8]
mov dword [ebp - 0x48], 0x4494c4
cmp eax, ebx
mov dword [ebp - 0x28], 0x4494bc
jne 0x4197f0
mov eax, 0x45d464
lea ecx, [ebp - 0x15]
push ebx
push ecx
push eax
lea ecx, [ebp - 0x48]
call fcn.0040856d
mov edi, dword [ebp - 0x40]
mov dword [ebp - 4], ebx
cmp edi, ebx
mov esi, 0x4494dc
jne 0x41980f
mov edi, esi
lea eax, [ebp - 0x16]
push 1
push eax
push str.C:CodeBasesisdev_srcRuntimeMSISharedSetupmsiaction.cpp
lea ecx, [ebp - 0x70]
call fcn.00401504
mov eax, dword [eax + 8]
mov byte [ebp - 4], 1
cmp eax, ebx
jne 0x41982f
mov eax, esi
mov dword [ebp - 0x20], eax
push edi
lea eax, [ebp - 0x20]
push str.Installing_MSI_engine__s
push eax
mov dword [ebp - 0x1c], 0x7cd
call fcn.00407c61
add esp, 0xc
lea ecx, [ebp - 0x70]
mov byte [ebp - 4], bl
call fcn.00401929
or dword [ebp - 4], 0xffffffff
lea ecx, [ebp - 0x48]
call fcn.00401929
mov ecx, dword [ebp - 0x14]
lea eax, [ebp - 0x70]
push 4
push eax
call fcn.00401046
mov ecx, eax
call fcn.00407b55
mov eax, dword [eax + 8]
push 2
pop edi
cmp eax, ebx
mov dword [ebp - 4], edi
jne 0x419889
mov eax, 0x44952c
push eax
push str.2.0.2600.0
call fcn.0042d601
or dword [ebp - 4], 0xffffffff
pop ecx
pop ecx
mov esi, eax
lea ecx, [ebp - 0x70]
call fcn.00401cce
cmp esi, ebx
jge 0x4198c7
push dword [ebp + 8]
lea eax, [ebp - 0x278]
push str.__s___q
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
mov esi, 0x458194
jmp 0x419917
mov ecx, dword [ebp - 0x14]
mov byte [ebp - 0xd], 1
call fcn.00401046
mov ecx, eax
call fcn.00427bd4
push dword [ebp + 8]
test eax, eax
je 0x4198fd
lea eax, [ebp - 0x278]
push str.__s___quiet__norestart
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
mov esi, str._quiet__norestart
jmp 0x419917
lea eax, [ebp - 0x278]
push str.__s___c:_msiinst__delayrebootq_
push eax
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
mov esi, str._c:_msiinst__delayrebootq_
mov ecx, dword [ebp - 0x14]
call fcn.00401046
mov ecx, eax
call fcn.00427bd4
test eax, eax
je 0x419940
mov ecx, dword [ebp - 0x14]
call fcn.00401046
push eax
push 1
push esi
push dword [ebp + 8]
call fcn.0042e12e
jmp 0x41994e
lea eax, [ebp - 0x278]
push 1
push eax
call fcn.0042d70d
mov esi, eax
cmp esi, ebx
je 0x419a03
cmp esi, 0xbc2
je 0x41997a
push ebx
push esi
mov dword [0x4623d8], 0x484
call fcn.0042c8d2
pop ecx
mov eax, esi
pop ecx
jmp 0x419a05
cmp byte [ebp - 0xd], bl
mov eax, dword [ebp + 0xc]
je 0x4199fd
push 0x20019
push str.SoftwareMicrosoftWindowsCurrentVersionInstaller
push reloc.OLEAUT32.dll_SysReAllocString
lea ecx, [ebp + 8]
mov dword [eax], edi
mov dword [ebp + 8], ebx
call fcn.00411218
test eax, eax
jne 0x4199ed
mov ecx, 0x81
lea edi, [ebp - 0x47e]
mov word [ebp - 0x480], bx
mov dword [ebp + 0xc], 0x104
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [ebp + 0xc]
mov dword [ebp - 0x14], ebx
push eax
lea eax, [ebp - 0x480]
push eax
lea eax, [ebp - 0x14]
push eax
push ebx
push str.InstallerLocation
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExW]
lea eax, [ebp - 0x480]
push eax
call dword [sym.imp.KERNEL32.dll_SetCurrentDirectoryW]
cmp dword [ebp + 8], ebx
je 0x419a03
push dword [ebp + 8]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
jmp 0x419a03
mov dword [eax], 1
xor eax, eax
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
pop ebx
mov dword fs:[0], ecx
leave
ret 8