Function at 0x40ec50
Capabilities:
Check if file exists
Check os version
Create process on windows
Get common file path
Get file attributes
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5aca46
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0xf78
push ebx
push esi
push edi
mov esi, ecx
xor edi, edi
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x14], esi
mov dword [ebp - 0x1c], edi
mov dword [ebp - 4], edi
mov dword [ebp - 0x18], edi
mov dword [ebp - 0x20], edi
mov dword [ebp - 0x48], edi
mov dword [ebp - 0x38], edi
mov dword [ebp - 0x30], edi
mov word [ebp - 0x34], di
lea eax, [ebp - 0x138]
mov byte [ebp - 4], 1
push eax
mov dword [ebp - 0x138], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x40ee74
cmp dword [ebp - 0x128], 2
jne 0x40ee74
mov eax, dword [ebp - 0x134]
mov ecx, 1
cmp eax, 6
mov dword [ebp - 0x20], ecx
jb 0x40ecda
mov dword [ebp - 0x18], ecx
cmp eax, 5
jne 0x40ecea
cmp dword [ebp - 0x130], edi
jne 0x40ecea
mov dword [ebp - 0x48], ecx
mov esi, dword [0x67a008]
cmp esi, edi
jne 0x40ecf9
mov esi, 0x67a00c
mov ecx, 0x64f030
test ecx, ecx
je 0x40ee19
cmp esi, edi
je 0x40ee19
mov edx, 0x650108
test edx, edx
je 0x40ee19
push edi
push ecx
lea ecx, [ebp - 0x2c]
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x24], edi
mov word [ebp - 0x28], di
call fcn.004028e0
push esi
lea ecx, [ebp - 0x58]
mov byte [ebp - 4], 2
call fcn.00403bb0
mov ebx, 3
push 0x650108
lea ecx, [ebp - 0xa0]
mov byte [ebp - 4], bl
call fcn.00403bb0
lea ecx, [ebp - 0x38]
mov byte [ebp - 4], 4
call fcn.00401070
mov edi, dword [ebp - 0x58]
test edi, edi
jne 0x40ed6a
lea edi, [ebp - 0x54]
mov esi, dword [ebp - 0x24]
lea ecx, [ebp - 0xa0]
call fcn.00401fb0
push eax
call fcn.0057e90a
mov edx, eax
push edi
mov dword [ebp - 0x3c], edx
call fcn.0057e90a
mov ecx, dword [ebp - 0x3c]
add esi, ecx
lea esi, [eax + esi + 3]
lea edi, [esi + esi]
push edi
call fcn.005970d9
mov edx, eax
add esp, 0xc
test edx, edx
mov dword [ebp - 0x38], edx
je 0x40edf1
mov ecx, edi
mov edi, edx
mov edx, ecx
xor eax, eax
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, ebx
rep stosb byte es:[edi], al
lea ecx, [ebp - 0xa0]
call fcn.00401fb0
push eax
lea ecx, [ebp - 0x58]
call fcn.00401fb0
push eax
lea ecx, [ebp - 0x2c]
call fcn.00401fb0
push eax
mov eax, dword [ebp - 0x38]
push esi
push eax
call fcn.0057e89a
mov ecx, dword [ebp - 0x38]
push ecx
call fcn.0057e90a
add esp, 0x18
mov dword [ebp - 0x30], eax
lea ecx, [ebp - 0xa0]
mov byte [ebp - 4], bl
call fcn.00401070
lea ecx, [ebp - 0x58]
mov byte [ebp - 4], 2
call fcn.00401070
lea ecx, [ebp - 0x2c]
mov byte [ebp - 4], 1
call fcn.00401070
jmp 0x40ee1e
mov ebx, 3
mov ecx, 0xf
xor eax, eax
lea edi, [ebp - 0x94]
rep stosd dword es:[edi], eax
mov eax, dword [ebp - 0x38]
xor ecx, ecx
cmp eax, ecx
mov dword [ebp - 0x94], 0x3c
mov dword [ebp - 0x90], 0x40
mov dword [ebp - 0x88], 0x6500fc
je 0x40ee5c
mov dword [ebp - 0x84], eax
jmp 0x40ee65
lea edx, [ebp - 0x34]
mov dword [ebp - 0x84], edx
mov esi, dword [ebp - 0x14]
mov edi, dword [ebp - 0x20]
mov dword [ebp - 0x7c], ecx
mov dword [ebp - 0x78], ebx
mov dword [ebp - 0x74], ecx
mov ebx, dword [ebp + 8]
xor eax, eax
test ebx, ebx
setne al
mov dword [ebp - 0x44], eax
mov eax, 0x650184
test edi, edi
jne 0x40ee8f
mov eax, 0x650170
mov edx, dword [0x67a050]
lea ecx, [ebp - 0x44]
push 4
push ecx
push 4
push 0
push eax
push edx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
test ebx, ebx
mov dword [esi + 0x1c], ebx
je 0x40f1c1
lea eax, [ebp - 0x3c]
lea ecx, [ebp - 0xa4]
add esi, 4
push eax
push ecx
mov ecx, esi
mov dword [ebp - 0x3c], 1
call fcn.00409e30
mov ebx, dword [ebp - 0x3c]
xor edx, edx
test eax, eax
sete dl
xor ecx, ecx
mov eax, edx
test ebx, ebx
sete cl
test eax, eax
jne 0x40eeed
test edi, edi
je 0x40f0e7
mov eax, dword [ebp - 0x20]
xor ebx, ebx
test eax, eax
je 0x40f039
mov ecx, dword [ebp - 0x14]
lea eax, [ebp - 0x4c]
push eax
call fcn.0040e740
xor ecx, ecx
test eax, eax
mov eax, dword [ebp - 0x18]
sete cl
mov esi, ecx
mov ecx, dword [ebp - 0x4c]
xor edx, edx
test ecx, ecx
sete dl
test eax, eax
mov edi, edx
je 0x40f006
mov eax, dword [ebp - 0x38]
test eax, eax
jne 0x40ef30
lea eax, [ebp - 0x34]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x40efd4
mov eax, dword [ebp - 0x38]
test eax, eax
jne 0x40ef4a
lea eax, [ebp - 0x34]
mov ecx, dword [ebp - 0x14]
push 0
push eax
call fcn.0040c5d0
test al, al
je 0x40efd4
call dword [sym.imp.USER32.dll_GetForegroundWindow]
test edi, edi
mov dword [ebp - 0x8c], eax
mov dword [ebp - 0x80], 0x6500e8
jne 0x40ef77
mov dword [ebp - 0x80], 0x6501b4
lea eax, [ebp - 0x94]
push eax
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
test eax, eax
je 0x40efcc
mov ecx, dword [ebp - 0x5c]
push 0xffffffffffffffff
push ecx
mov ebx, 1
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov eax, dword [ebp - 0x5c]
lea edx, [ebp - 0x18]
push edx
push eax
call dword [sym.imp.KERNEL32.dll_GetExitCodeProcess]
test eax, eax
je 0x40efae
mov ebx, dword [ebp - 0x18]
mov edi, dword [ebp - 0x14]
mov ecx, dword [0x67a174]
push 0
push 0x1437
push 0x111
push ecx
call dword [sym.imp.USER32.dll_PostMessageA]
jmp 0x40f046
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x40efae
mov ecx, dword [0x67a174]
push 0
push 0x1437
push 0x111
push ecx
call dword [sym.imp.USER32.dll_PostMessageA]
mov edx, dword [0x67a7c8]
mov eax, dword [0x67a58c]
push 0x30
push edx
push eax
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
jmp 0x40efae
test edi, edi
je 0x40f01a
mov edi, dword [ebp - 0x14]
push 1
mov ecx, edi
call fcn.0040e890
mov ebx, eax
jmp 0x40f022
mov edi, dword [ebp - 0x14]
mov ebx, 1
test esi, esi
mov ecx, edi
je 0x40f02f
call fcn.0040e090
jmp 0x40efb1
call fcn.0040dfd0
jmp 0x40efb1
push ecx
mov ecx, esi
call fcn.00408980
mov edi, dword [ebp - 0x14]
mov ebx, eax
xor esi, esi
cmp ebx, esi
je 0x40f055
mov dword [ebp - 0x1c], 1
jmp 0x40f082
mov eax, dword [ebp - 0x20]
mov dword [ebp - 0x44], esi
cmp eax, esi
mov eax, 0x650184
jne 0x40f069
mov eax, 0x650170
lea edx, [ebp - 0x44]
push 4
push edx
push 4
push esi
push eax
mov eax, dword [0x67a050]
push eax
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov dword [edi + 0x1c], esi
mov eax, dword [0x67a050]
lea edx, [ebp - 0x40]
push 4
xor ecx, ecx
push edx
cmp ebx, esi
push 4
push esi
setne cl
push 0x64fb3c
push eax
mov dword [ebp - 0x40], ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
cmp ebx, esi
je 0x40f0de
mov ecx, edi
call fcn.00411490
push esi
push esi
mov ecx, edi
call fcn.00410030
push esi
push esi
mov ecx, edi
call fcn.00410d40
push esi
push esi
mov ecx, edi
call fcn.00410db0
push esi
push esi
mov ecx, edi
call fcn.00410420
push 1
mov ecx, edi
call fcn.00416b90
cmp dword [ebp - 0x20], esi
jne 0x40f2d9
lea ecx, [ebp - 0x23c]
push 0x104
push ecx
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryA]
test eax, eax
je 0x40f2d9
mov edx, dword [0x6754d4]
mov dword [ebp - 0x18], edx
lea eax, [ebp - 0x23c]
push 0x64fa14
push eax
lea ecx, [ebp - 0x18]
push 0x64fa0c
push ecx
mov byte [ebp - 4], 5
call fcn.00593b08
mov esi, dword [ebp - 0x18]
xor ebx, ebx
add esp, 0x10
lea ecx, [ebp - 0x2c]
mov dword [ebp - 0x2c], ebx
mov dword [ebp - 0x24], ebx
mov word [ebp - 0x28], bx
call fcn.00401070
cmp esi, ebx
je 0x40f18d
mov edi, esi
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x40f18d
mov edi, dword [sym.imp.KERNEL32.dll_MultiByteToWideChar]
push ebx
push ebx
push 0xffffffffffffffff
push esi
push ebx
push ebx
call edi
cmp eax, ebx
mov dword [ebp - 0x24], eax
je 0x40f18d
lea edx, [eax + eax + 2]
push edx
call fcn.005970d9
add esp, 4
cmp eax, ebx
mov dword [ebp - 0x2c], eax
je 0x40f190
mov ecx, dword [ebp - 0x24]
push ecx
push eax
push 0xffffffffffffffff
push esi
push ebx
push ebx
call edi
mov dword [ebp - 0x24], eax
mov eax, dword [ebp - 0x2c]
cmp eax, ebx
mov byte [ebp - 4], 6
jne 0x40f19b
lea eax, [ebp - 0x28]
mov ecx, dword [ebp - 0x14]
push eax
call fcn.004120b0
lea ecx, [ebp - 0x2c]
mov byte [ebp - 4], 5
call fcn.00401070
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 1
call fcn.0059ad3d
jmp 0x40f2d9
test edi, edi
je 0x40f2ce
push 0x679a5c
mov ecx, esi
call fcn.0040e740
mov dword [0x679a60], eax
mov eax, dword [ebp - 0x18]
test eax, eax
je 0x40f2a5
mov eax, dword [ebp - 0x38]
mov dword [ebp - 0x1c], 0
test eax, eax
jne 0x40f1f6
lea eax, [ebp - 0x34]
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesW]
cmp eax, 0xffffffff
je 0x40f273
mov eax, dword [ebp - 0x38]
test eax, eax
jne 0x40f20c
lea eax, [ebp - 0x34]
push 0
push eax
mov ecx, esi
call fcn.0040c5d0
test al, al
je 0x40f273
call dword [sym.imp.USER32.dll_GetForegroundWindow]
lea edx, [ebp - 0x94]
mov dword [ebp - 0x8c], eax
push edx
mov dword [ebp - 0x80], 0x6501cc
call dword [sym.imp.SHELL32.dll_ShellExecuteExW]
test eax, eax
je 0x40f26b
mov eax, dword [ebp - 0x5c]
push 0xffffffffffffffff
push eax
mov dword [ebp - 0x1c], 1
call dword [sym.imp.KERNEL32.dll_WaitForSingleObject]
mov edx, dword [ebp - 0x5c]
lea ecx, [ebp - 0x40]
push ecx
push edx
call dword [sym.imp.KERNEL32.dll_GetExitCodeProcess]
test eax, eax
je 0x40f2b3
mov eax, dword [ebp - 0x40]
mov dword [ebp - 0x1c], eax
jmp 0x40f2b3
call dword [sym.imp.KERNEL32.dll_GetLastError]
jmp 0x40f2b3
mov ecx, dword [0x67a174]
push 0
push 0x1437
push 0x111
push ecx
call dword [sym.imp.USER32.dll_PostMessageA]
mov edx, dword [0x67a7c8]
mov eax, dword [0x67a58c]
push 0x30
push edx
push eax
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
jmp 0x40f2b3
mov ecx, esi
mov dword [ebp - 0x1c], 1
call fcn.0040e3e0
mov ecx, dword [0x67a174]
push 0
push 0x1437
push 0x111
push ecx
call dword [sym.imp.USER32.dll_PostMessageA]
jmp 0x40f2d9
lea ecx, [esi + 4]
call fcn.00409910
mov dword [ebp - 0x1c], eax
mov eax, dword [ebp - 0x1c]
test eax, eax
je 0x40f44c
mov eax, dword [ebp + 8]
xor esi, esi
test eax, eax
jne 0x40f362
mov eax, dword [0x67a050]
lea edx, [ebp + 8]
push esi
push edx
push esi
push 0xf003f
push esi
push esi
push esi
push 0x6503c4
push eax
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
test eax, eax
jne 0x40f33e
mov edi, 0x6503b8
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
push ecx
mov ecx, dword [ebp + 8]
push 0x6503b8
push 1
push eax
push 0x6503ac
push ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov edx, dword [ebp + 8]
push edx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [0x67aa78]
mov ecx, dword [0x67aa7c]
push 0x50004
push eax
push ecx
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
cmp eax, 6
jne 0x40f362
mov esi, 1
mov eax, dword [ebp - 0x48]
test eax, eax
je 0x40f36d
xor edi, edi
jmp 0x40f370
mov edi, dword [ebp - 0x20]
test esi, esi
je 0x40f423
test edi, edi
je 0x40f45a
push 0
lea ecx, [ebp - 0xf84]
call fcn.004e2250
lea ecx, [ebp - 0xf84]
mov byte [ebp - 4], 7
call fcn.00596cd3
lea ecx, [ebp - 0x240]
mov byte [ebp - 4], 0xf
call fcn.0059ad3d
lea ecx, [ebp - 0xdf4]
mov byte [ebp - 4], 0xe
call fcn.0054a0f0
lea ecx, [ebp - 0xdfc]
mov byte [ebp - 4], 0xd
call fcn.0059ad3d
lea ecx, [ebp - 0xe38]
mov byte [ebp - 4], 0xc
call fcn.005a29d1
lea ecx, [ebp - 0xe74]
mov byte [ebp - 4], 0xb
call fcn.005a29d1
lea ecx, [ebp - 0xeb0]
mov byte [ebp - 4], 0xa
call fcn.005a29d1
lea ecx, [ebp - 0xeec]
mov byte [ebp - 4], 9
call fcn.005a2849
lea ecx, [ebp - 0xf28]
mov byte [ebp - 4], 8
call fcn.005a2881
lea ecx, [ebp - 0xf84]
mov byte [ebp - 4], 1
call fcn.00596914
test edi, edi
jne 0x40f44c
mov ecx, dword [0x67aab4]
mov edx, dword [0x67aa60]
push 0x50030
push ecx
push edx
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
push 1
call fcn.0040b5f0
add esp, 4
lea ecx, [ebp - 0x38]
mov byte [ebp - 4], 0
call fcn.00401070
jmp 0x40f484
mov eax, dword [0x67a050]
lea edx, [ebp + 8]
push 4
push edx
push 4
push 0
push 0x65005c
push eax
mov dword [ebp + 8], 1
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
jmp 0x40f427
mov ecx, dword [ebp - 0xc]
mov eax, dword [ebp - 0x1c]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret 4