Function at 0x54db00
Capabilities:
Check for unmoving mouse cursor
Check os version
Query or enumerate registry value

Disassembly:
sub esp, 0xc0
mov eax, dword [0x699fe8]
xor eax, esp
mov dword [esp + 0xbc], eax
cmp byte [0x75b884], 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.0x54dca0.275
cmp esi, 0x104
mov ebx, 1
ja 0x54dc87
je case.0x54dca0.513
cmp esi, 0x1c
ja 0x54dc62
je 0x54dc7a
mov ecx, esi
sub ecx, ebx
je 0x54db7f
sub ecx, 5
je 0x54dc7a
sub ecx, 0xa
je case.0x54dca0.513
jmp case.0x54dca0.275
cmp byte [0x75b874], 0
jne case.0x54dca0.275
lea eax, [esp + 0x1c]
push eax
mov byte [0x75b874], 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 [0x75b87c], ecx
mov dword [0x75b880], edx
mov dword [esp + 0x34], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp dword [esp + 0x40], ebx
jne case.0x54dca0.275
lea ecx, [esp + 0x14]
push ecx
push str.Control_PanelDesktop
push connect
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
jne case.0x54dca0.275
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 0x54dc52
cmp dword [esp + 0x18], eax
je 0x54dc52
push str.PASSWORD.CPL
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
test eax, eax
je 0x54dc52
push str.VerifyScreenSavePwd
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push 0
mov dword [0x75b888], 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.0x54dca0.275
mov ecx, esi
sub ecx, 0x86
je 0x54dc7a
sub ecx, 0x7a
je case.0x54dca0.513
jmp case.0x54dca0.275
test eax, eax
je case.0x54dca0.513
jmp case.0x54dca0.275
lea edx, [esi - 0x112]
cmp edx, 0xf5
ja case.0x54dca0.275
movzx edx, byte [edx + 0x54de68]
jmp dword [edx*4 + 0x54de58]
and eax, 0xfff0
cmp eax, 0xf060
ja 0x54dcc1
je 0x54dccc
sub eax, 0xf040
je 0x54dccc
sub eax, 0x10
jmp 0x54dcc6
cmp eax, 0xf140
jne case.0x54dca0.275
mov dword [edi], 0
mov al, bl
jmp 0x54de3f
movzx eax, cx
shr ecx, 0x10
cmp eax, dword [0x75b87c]
jne 0x54dcef
cmp ecx, dword [0x75b880]
je 0x54dd00
add dword [0x75b878], ebx
mov dword [0x75b87c], eax
mov dword [0x75b880], ecx
cmp dword [0x75b878], 4
jl 0x54dccc
mov eax, dword [0x6a9f38]
test eax, eax
je 0x54dd1e
cmp dword [eax + 0x350], ebp
jne case.0x54dca0.275
call dword [sym.imp.KERNEL32.dll_GetTickCount]
sub eax, dword [0x6a9f58]
cmp eax, 0x3e8
jae 0x54dd62
cmp esi, 0x1c
ja 0x54dd4a
je case.0x54dca0.275
cmp esi, 6
je case.0x54dca0.275
cmp esi, 0x10
jmp 0x54dd5c
cmp esi, 0x86
je case.0x54dca0.275
cmp esi, 0x200
je case.0x54dca0.275
cmp dword [0x75b888], 0
je 0x54de2a
mov eax, dword [0x6a9f38]
test eax, eax
je 0x54de2a
cmp byte [eax + 0x348], 0
je 0x54de2a
mov ecx, dword [eax + 0x36c]
test ecx, ecx
je 0x54ddb1
cmp dword [ecx + 0x58], 0
je 0x54ddb1
mov eax, ecx
mov eax, dword [eax + 0x58]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x28]
push eax
call edx
mov eax, dword [0x6a9f38]
mov byte [eax + 0x368], bl
push ebp
mov byte [0x75b884], bl
call dword [0x75b888]
mov esi, dword [0x6a9f38]
test esi, esi
mov edi, eax
mov byte [0x75b884], 0
je 0x54dddd
mov byte [esi + 0x368], 0
call fcn.005456a0
test edi, edi
jne 0x54de07
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 [0x75b87c], edx
mov dword [0x75b880], eax
mov dword [0x75b878], edi
jmp case.0x54dca0.275
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 [0x75b888], 0
push 0
push 0
push 0x10
push ebp
mov byte [0x75b884], 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.0061efd1
add esp, 0xc0
ret