Function at 0x553c30
Capabilities:
Check for unmoving mouse cursor
Check os version
Query or enumerate registry value

Disassembly:
sub esp, 0xc0
mov eax, dword [0x6a9fa4]
xor eax, esp
mov dword [esp + 0xbc], eax
cmp byte [0x76b9a4], 0
mov eax, dword [esp + 0xc8]
push ebx
push ebp
mov ebp, dword [esp + 0xcc]
push esi
push edi
mov edi, dword [esp + 0xdc]
mov esi, edx
jne case.0x553dd0.275
cmp esi, 0x104
mov ebx, 1
ja 0x553db7
je case.0x553dd0.513
cmp esi, 0x1c
ja 0x553d92
je 0x553daa
mov ecx, esi
sub ecx, ebx
je 0x553caf
sub ecx, 5
je 0x553daa
sub ecx, 0xa
je case.0x553dd0.513
jmp case.0x553dd0.275
cmp byte [0x76b994], 0
jne case.0x553dd0.275
lea eax, [esp + 0x1c]
push eax
mov byte [0x76b994], bl
call dword [sym.imp.user32.dll_GetCursorPos]
mov ecx, dword [esp + 0x1c]
mov edx, dword [esp + 0x20]
lea eax, [esp + 0x30]
push eax
mov dword [0x76b99c], ecx
mov dword [0x76b9a0], edx
mov dword [esp + 0x34], 0x94
call dword [sym.imp.kernel32.dll_GetVersionExA]
cmp dword [esp + 0x40], ebx
jne case.0x553dd0.275
lea ecx, [esp + 0x14]
push ecx
push str.Control_PanelDesktop
push 0x80000001
call dword [sym.imp.advapi32.dll_RegOpenKeyA]
test eax, eax
jne case.0x553dd0.275
lea edx, [esp + 0x24]
push edx
mov edx, dword [esp + 0x18]
mov dword [esp + 0x1c], eax
lea eax, [esp + 0x1c]
push eax
lea ecx, [esp + 0x34]
push ecx
push 0
push str.ScreenSaveUsePassword
push edx
mov dword [esp + 0x3c], 4
call dword [sym.imp.advapi32.dll_RegQueryValueExA]
test eax, eax
jne 0x553d82
cmp dword [esp + 0x18], eax
je 0x553d82
push str.PASSWORD.CPL
call dword [sym.imp.kernel32.dll_LoadLibraryA]
test eax, eax
je 0x553d82
push str.VerifyScreenSavePwd
push eax
call dword [sym.imp.kernel32.dll_GetProcAddress]
push 0
mov dword [0x76b9a8], eax
lea eax, [esp + 0x2c]
push eax
push ebx
push 0x61
call dword [sym.imp.user32.dll_SystemParametersInfoA]
mov ecx, dword [esp + 0x14]
push ecx
call dword [sym.imp.advapi32.dll_RegCloseKey]
jmp case.0x553dd0.275
mov ecx, esi
sub ecx, 0x86
je 0x553daa
sub ecx, 0x7a
je case.0x553dd0.513
jmp case.0x553dd0.275
test eax, eax
je case.0x553dd0.513
jmp case.0x553dd0.275
lea edx, [esi - 0x112]
cmp edx, 0xf5
ja case.0x553dd0.275
movzx edx, byte [edx + 0x553f98]
jmp dword [edx*4 + 0x553f88]
and eax, 0xfff0
cmp eax, 0xf060
ja 0x553df1
je 0x553dfc
sub eax, 0xf040
je 0x553dfc
sub eax, 0x10
jmp 0x553df6
cmp eax, 0xf140
jne case.0x553dd0.275
mov dword [edi], 0
mov al, bl
jmp 0x553f6f
movzx eax, cx
shr ecx, 0x10
cmp eax, dword [0x76b99c]
jne 0x553e1f
cmp ecx, dword [0x76b9a0]
je 0x553e30
add dword [0x76b998], ebx
mov dword [0x76b99c], eax
mov dword [0x76b9a0], ecx
cmp dword [0x76b998], 4
jl 0x553dfc
mov eax, dword [0x6ba058]
test eax, eax
je 0x553e4e
cmp dword [eax + 0x350], ebp
jne case.0x553dd0.275
call dword [sym.imp.kernel32.dll_GetTickCount]
sub eax, dword [0x6ba078]
cmp eax, 0x3e8
jae 0x553e92
cmp esi, 0x1c
ja 0x553e7a
je case.0x553dd0.275
cmp esi, 6
je case.0x553dd0.275
cmp esi, 0x10
jmp 0x553e8c
cmp esi, 0x86
je case.0x553dd0.275
cmp esi, 0x200
je case.0x553dd0.275
cmp dword [0x76b9a8], 0
je 0x553f5a
mov eax, dword [0x6ba058]
test eax, eax
je 0x553f5a
cmp byte [eax + 0x348], 0
je 0x553f5a
mov ecx, dword [eax + 0x36c]
test ecx, ecx
je 0x553ee1
cmp dword [ecx + 0x58], 0
je 0x553ee1
mov eax, ecx
mov eax, dword [eax + 0x58]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x28]
push eax
call edx
mov eax, dword [0x6ba058]
mov byte [eax + 0x368], bl
push ebp
mov byte [0x76b9a4], bl
call dword [0x76b9a8]
mov esi, dword [0x6ba058]
test esi, esi
mov edi, eax
mov byte [0x76b9a4], 0
je 0x553f0d
mov byte [esi + 0x368], 0
call fcn.0054b850
test edi, edi
jne 0x553f37
lea ecx, [esp + 0x1c]
push ecx
call dword [sym.imp.user32.dll_GetCursorPos]
mov edx, dword [esp + 0x1c]
mov eax, dword [esp + 0x20]
mov dword [0x76b99c], edx
mov dword [0x76b9a0], eax
mov dword [0x76b998], edi
jmp case.0x553dd0.275
push 0
lea ecx, [esp + 0x2c]
push ecx
push 0
push 0x61
call dword [sym.imp.user32.dll_SystemParametersInfoA]
push 0
call dword [sym.imp.kernel32.dll_FreeLibrary]
mov dword [0x76b9a8], 0
push 0
push 0
push 0x10
push ebp
mov byte [0x76b9a4], bl
call dword [sym.imp.user32.dll_PostMessageA]
xor al, al
mov ecx, dword [esp + 0xcc]
pop edi
pop esi
pop ebp
pop ebx
xor ecx, esp
call fcn.00626d59
add esp, 0xc0
ret