Function at 0x4026a0
Capabilities:
Check if file exists
Get file attributes
Modify service

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
sub esp, 0x21c
mov edi, ecx
mov eax, dword [0x434040]
xor eax, ebp
mov dword [ebp - 0x10], eax
lea ebx, [ebp - 0x21a]
push 0x105
push ebx
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
test eax, eax
je 0x40270a
push ebx
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
test eax, eax
jne 0x402759
mov eax, dword [0x435a4c]
mov ecx, dword [0x434c24]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jg 0x402989
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.Could_not_remove_file_spec_when_attempting_to_modify_service_description.____lu_
jmp 0x402737
mov eax, dword [0x435a4c]
mov ecx, dword [0x434c24]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jg 0x4029cc
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.Could_not_obtain_module_filename_when_attempting_to_modify_service_description.____lu_
push 0x435840
call fcn.00408520
add esp, 0xc
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.0040abc5
add esp, 0x21c
pop esi
pop edi
pop ebx
pop ebp
ret
push str.updater.ini
push ebx
call fcn.00428490
add esp, 8
test eax, eax
je 0x4027e1
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x402813
xor eax, eax
lea esi, [ebp - 0x220]
mov dword [esi], eax
push eax
push esi
push 1
push str.MozillaMaintenanceDescription
push ebx
call fcn.004094d0
add esp, 0x14
mov ebx, dword [esi]
test eax, eax
je 0x402845
mov eax, dword [0x435a4c]
mov ecx, dword [0x434c24]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jg 0x402a52
push str.updater.ini_file_does_not_contain_a_maintenance_service_description.
push 0x435840
call fcn.00408520
add esp, 8
test ebx, ebx
jne 0x40297b
jmp 0x402744
mov eax, dword [0x435a4c]
mov ecx, dword [0x434c24]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jg 0x402a0f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.Could_not_append_updater.ini_filename_when_attempting_to_modify_service_description.____lu_
jmp 0x402737
mov eax, dword [0x435a4c]
mov ecx, dword [0x434c24]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jg 0x402a95
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.updater.ini_file_does_not_exist__will_not_modify_service_description.____lu_
jmp 0x402737
cmp byte [ebx], 0
je 0x4027a1
xor eax, eax
xor edx, edx
dec edx
mov ecx, 0xfde9
push eax
push eax
push edx
mov esi, edx
push ebx
push eax
push ecx
call dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
mov dword [ebp - 0x224], eax
mov dword [ebp - 0x228], ebx
lea ebx, [eax + eax]
test eax, eax
cmovs ebx, esi
push ebx
call fcn.0040a313
add esp, 4
mov esi, eax
push ebx
mov ebx, dword [ebp - 0x228]
xor eax, eax
push eax
push esi
call fcn.0040cc70
add esp, 0xc
push dword [ebp - 0x224]
push esi
xor eax, eax
dec eax
push eax
push ebx
xor eax, eax
push eax
mov eax, 0xfde9
push eax
call dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
test eax, eax
je 0x40290f
mov dword [ebp - 0x224], esi
mov dword [ebp - 0x220], esi
lea eax, [ebp - 0x220]
push eax
push 1
push edi
call dword [sym.imp.ADVAPI32.dll_ChangeServiceConfig2W]
mov ecx, dword [0x434c24]
mov edx, dword fs:[0x2c]
mov edx, dword [edx + ecx*4]
mov ecx, dword [0x435a4c]
mov edx, dword [edx + 4]
test eax, eax
je 0x40294b
cmp ecx, edx
jg 0x402ad8
push str.The_service_description_was_updated_successfully.
push 0x435840
call fcn.00408430
add esp, 8
jmp 0x40296c
mov eax, dword [0x435a4c]
mov ecx, dword [0x434c24]
mov edx, dword fs:[0x2c]
mov ecx, dword [edx + ecx*4]
cmp eax, dword [ecx + 4]
jg 0x402b1b
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.Could_not_convert_description_to_wide_string_format.____lu_
push 0x435840
call fcn.00408520
add esp, 0xc
jmp 0x402972
cmp ecx, edx
jg 0x402b5e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
push str.Could_not_change_service_config.____lu_
push 0x435840
call fcn.00408520
add esp, 0xc
mov esi, dword [ebp - 0x224]
push esi
call fcn.0040a31c
add esp, 4
push ebx
call fcn.0040a31c
add esp, 4
jmp 0x402744
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x4026fc
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x4026fc
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x40272b
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x40272b
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x402802
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x402802
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x4027c2
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x4027c2
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x402834
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x402834
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x4028fb
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x4028fb
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x402930
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x402930
push 0x435a4c
call fcn.0040a351
add esp, 4
cmp dword [0x435a4c], 0xffffffff
jne 0x402953
mov dword [0x435840], 0
push 0x402420
call fcn.0040a406
add esp, 4
push 0x435a4c
call fcn.0040a3a0
add esp, 4
jmp 0x402953