Function at 0x4bcf90
Capabilities:
Check mutex on windows
Create thread
Query or enumerate registry value
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ea010
mov eax, dword fs:[0]
push eax
sub esp, 0x70
mov eax, dword [0x53d9f8]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x78], ecx
mov esi, dword [ebp + 8]
lea ecx, [ebp - 0x44]
mov dword [ebp - 0x7c], esi
xor eax, eax
push 0x2f
push str._KHDID3MGR_3E67DFEF_DF4E_4CC6_9413_5F71C7C96C04
mov dword [ebp - 0x34], 0
mov dword [ebp - 0x30], 7
mov word [ebp - 0x44], ax
call fcn.004033b0
cmp dword [ebp - 0x30], 8
lea ebx, [ebp - 0x44]
mov ecx, dword [ebp - 0x44]
mov edx, dword [ebp - 0x34]
cmovae ebx, ecx
mov dword [ebp - 4], 0
mov dword [ebp - 0x2c], 0
mov dword [ebp - 0x18], 0
mov dword [ebp - 0x14], 0
cmp edx, 8
jae 0x4bd039
mov eax, dword [ebx]
mov edi, 7
mov dword [ebp - 0x28], eax
mov eax, dword [ebx + 4]
mov dword [ebp - 0x24], eax
mov eax, dword [ebx + 8]
mov dword [ebp - 0x20], eax
mov eax, dword [ebx + 0xc]
mov dword [ebp - 0x1c], eax
mov dword [ebp - 0x18], edx
jmp 0x4bd077
mov edi, edx
lea ecx, [ebp - 0x28]
mov eax, 0x7ffffffe
or edi, 7
cmp edi, eax
cmova edi, eax
lea eax, [edi + 1]
push eax
call fcn.004031d0
mov ecx, eax
mov eax, dword [ebp - 0x34]
mov dword [ebp - 0x28], ecx
lea eax, [eax*2 + 2]
push eax
push ebx
push ecx
call sub.VCRUNTIME140.dll_memcpy
mov eax, dword [ebp - 0x34]
add esp, 0xc
mov ecx, dword [ebp - 0x44]
mov dword [ebp - 0x18], eax
mov dword [ebp - 0x14], edi
mov eax, dword [ebp - 0x30]
mov byte [ebp - 4], 2
cmp eax, 8
jb 0x4bd0b8
lea edx, [eax*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4bd0ab
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4bd43c
push edx
push ecx
call fcn.004bee2d
mov edi, dword [ebp - 0x14]
add esp, 8
cmp dword [ebp - 0x2c], 0
jne 0x4bd188
cmp edi, 8
lea eax, [ebp - 0x28]
cmovae eax, dword [ebp - 0x28]
push eax
push 1
push 0
call dword [sym.imp.KERNEL32.dll_CreateMutexW]
mov ebx, dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, eax
test edi, edi
je 0x4bd108
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x4bd185
push 0xffffffffffffffff
push edi
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
test eax, eax
je 0x4bd185
push edi
call ebx
push esi
call fcn.004bd450
mov eax, dword [ebp - 0x2c]
add esp, 4
test eax, eax
je 0x4bd12b
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
push dword [ebp - 0x2c]
call ebx
mov dword [ebp - 0x2c], 0
mov edx, dword [ebp - 0x14]
cmp edx, 8
jb 0x4bd165
mov ecx, dword [ebp - 0x28]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4bd15b
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4bd43c
push edx
push ecx
call fcn.004bee2d
add esp, 8
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004bee49
mov esp, ebp
pop ebp
ret 8
mov dword [ebp - 0x2c], edi
mov ebx, dword [sym.imp.KERNEL32.dll_GetSystemTime]
xor eax, eax
mov dword [ebp - 0x54], eax
mov dword [ebp - 0x50], eax
mov dword [ebp - 0x4c], eax
mov dword [ebp - 0x48], eax
lea eax, [ebp - 0x54]
push eax
call ebx
movzx eax, word [ebp - 0x4e]
lea ecx, [ebp - 0x6c]
mov dword [ebp - 0x70], eax
xor eax, eax
push 8
push str.InfoHD3t
mov dword [ebp - 0x5c], 0
mov dword [ebp - 0x58], 7
mov word [ebp - 0x6c], ax
call fcn.004033b0
push 0x23
xor eax, eax
mov byte [ebp - 4], 3
push str.SoftwareKingsoftOffice6.0Common
lea ecx, [ebp - 0x44]
mov dword [ebp - 0x34], 0
mov dword [ebp - 0x30], 7
mov word [ebp - 0x44], ax
call fcn.004033b0
cmp dword [ebp - 0x58], 8
lea edx, [ebp - 0x7c]
push edx
lea edx, [ebp - 0x74]
mov dword [ebp - 0x74], 0
push edx
lea ecx, [ebp - 0x6c]
mov dword [ebp - 0x7c], 4
cmovae ecx, dword [ebp - 0x6c]
lea eax, [ebp - 0x44]
cmp dword [ebp - 0x30], 8
push 0
cmovae eax, dword [ebp - 0x44]
push ecx
push eax
push 0x80000001
call dword [sym.imp.SHLWAPI.dll_SHGetValueW]
mov edi, dword [ebp - 0x74]
xor ecx, ecx
mov edx, dword [ebp - 0x30]
test eax, eax
cmovne edi, ecx
cmp edx, 8
jb 0x4bd26e
mov ecx, dword [ebp - 0x44]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4bd264
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4bd2b2
push edx
push ecx
call fcn.004bee2d
add esp, 8
mov edx, dword [ebp - 0x58]
xor eax, eax
mov dword [ebp - 0x34], 0
mov dword [ebp - 0x30], 7
mov word [ebp - 0x44], ax
mov byte [ebp - 4], 2
cmp edx, 8
jb 0x4bd2c2
mov ecx, dword [ebp - 0x6c]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4bd2b8
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x4bd2b8
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
push edx
push ecx
call fcn.004bee2d
add esp, 8
cmp dword [ebp - 0x70], edi
je 0x4bd323
xor eax, eax
mov dword [ebp - 0x54], eax
mov dword [ebp - 0x50], eax
mov dword [ebp - 0x4c], eax
mov dword [ebp - 0x48], eax
lea eax, [ebp - 0x54]
push eax
call ebx
movzx eax, word [ebp - 0x4e]
push 4
mov dword [ebp - 0x70], eax
lea eax, [ebp - 0x70]
push eax
push 4
push str.InfoHD3t
push str.SoftwareKingsoftOffice6.0Common
push 0x80000001
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
mov ebx, dword [ebp - 0x78]
cmp dword [ebx], 0
jne 0x4bd326
push 0
push 0
push 0
push 0x4bbc30
push 0
push 0
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__beginthreadex]
add esp, 0x18
mov dword [ebx], eax
jmp 0x4bd326
mov ebx, dword [ebp - 0x78]
lea eax, [ebp - 0x6c]
push eax
call fcn.004bd450
add esp, 4
mov ecx, dword [ebp - 0x5c]
mov byte [ebp - 4], 4
test ecx, ecx
je 0x4bd38b
mov eax, dword [ebp - 0x6c]
mov dword [esi + 0x10], 0
mov dword [esi + 0x14], 0
mov dword [esi], eax
mov eax, dword [ebp - 0x68]
mov dword [esi + 4], eax
mov eax, dword [ebp - 0x64]
mov dword [esi + 8], eax
mov eax, dword [ebp - 0x60]
mov dword [esi + 0xc], eax
mov eax, dword [ebp - 0x58]
mov dword [esi + 0x10], ecx
mov dword [esi + 0x14], eax
mov eax, dword [ebp - 0x2c]
test eax, eax
je 0x4bd12b
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
push dword [ebp - 0x2c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x4bd124
mov eax, dword [ebx]
mov edi, dword [sym.imp.KERNEL32.dll_CloseHandle]
test eax, eax
je 0x4bd3ab
push dword [ebp + 0xc]
push eax
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
push dword [ebx]
call edi
mov dword [ebx], 0
push esi
call fcn.004bd450
mov edx, dword [ebp - 0x58]
add esp, 4
cmp edx, 8
jb 0x4bd3ea
mov ecx, dword [ebp - 0x6c]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4bd3e0
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
ja 0x4bd43c
push edx
push ecx
call fcn.004bee2d
add esp, 8
mov eax, dword [ebp - 0x2c]
test eax, eax
je 0x4bd404
push eax
call dword [sym.imp.KERNEL32.dll_ReleaseMutex]
push dword [ebp - 0x2c]
call edi
mov dword [ebp - 0x2c], 0
mov edx, dword [ebp - 0x14]
cmp edx, 8
jb 0x4bd165
mov ecx, dword [ebp - 0x28]
lea edx, [edx*2 + 2]
mov eax, ecx
cmp edx, 0x1000
jb 0x4bd15b
mov ecx, dword [ecx - 4]
add edx, 0x23
sub eax, ecx
add eax, 0xfffffffc
cmp eax, 0x1f
jbe 0x4bd15b
call dword [sym.imp.api_ms_win_crt_runtime_l1_1_0.dll__invalid_parameter_noinfo_noreturn]
int3