Function at 0x430d90
Capabilities:
Check mutex and terminate process on windows
Check mutex on windows
Create thread
Enumerate gui resources
Set registry value
Terminate process

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x59b606
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x108
push ebx
push esi
push edi
xor ebx, ebx
mov dword [ebp - 0x10], esp
mov esi, ecx
push ebx
mov dword [ebp - 0x14], esi
call fcn.00591379
lea ecx, [esi + 0xc0]
mov dword [ebp - 4], ebx
call fcn.004d51d0
lea ecx, [esi + 0xd8]
mov byte [ebp - 4], 1
call fcn.0040e400
lea ecx, [esi + 0x138]
mov byte [ebp - 4], 2
call fcn.004248b0
mov dword [esi + 0x1b0], ebx
mov dword [esi + 0x1bc], ebx
mov dword [esi + 0x1b8], ebx
mov dword [esi + 0x1b4], ebx
mov dword [esi + method.CCommandLineInfo.virtual_0], 0x5b479c
lea edi, [esi + 0x1c4]
mov byte [ebp - 4], 4
mov ecx, edi
call fcn.00477f00
push str.Tonec_Internet_Download_Manager_MTX
mov dword [esi], method.CWinApp.virtual_0
push ebx
mov dword [0x6613b0], ebx
mov dword [0x6613ac], ebx
push ebx
mov byte [ebp - 4], 6
mov dword [esi + 0x1a8], ebx
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
mov dword [esi + 0x17c], eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp dword [esi + 0x17c], ebx
jne 0x430e88
push eax
lea eax, [ebp - 0x94]
push str.CreateMutex___failed_during_CDownloaderApp::CDownloaderApp____errCode___ld_n
push eax
call fcn.0056b4da
add esp, 0xc
lea ecx, [ebp - 0x94]
push 1
push ecx
mov ecx, edi
call fcn.00478010
push ebx
call fcn.0056c9db
cmp eax, 0xb7
jne 0x431070
push 0x63a884
push ebx
call dword [sym.imp.USER32.dll_FindWindowA]
cmp eax, ebx
mov dword [0x6614f8], eax
jne 0x430ec4
push 0x6614f8
push 0x430d00
call dword [sym.imp.USER32.dll_EnumWindows]
cmp dword [0x6614f8], ebx
je 0x4310c8
lea ecx, [ebp - 0x58]
call fcn.00435330
lea edx, [ebp - 0x58]
mov ecx, esi
push edx
mov byte [ebp - 4], 7
call fcn.005914c3
cmp byte [ebp - 0x24], bl
je 0x430faa
mov eax, dword [ebp - 0x30]
cmp dword [eax - 8], 6
jle 0x430faa
lea ecx, [ebp - 0x14]
push ebx
push ecx
push ebx
push 0xf003f
push ebx
push ebx
push ebx
push str.SoftwareDownloadManager_
push reloc.WSOCK32.dll_accept
call dword [sym.imp.ADVAPI32.dll_RegCreateKeyExA]
test eax, eax
jne 0x430fa4
mov eax, dword [ebp - 0x30]
mov edx, dword [ebp - 0x14]
mov esi, dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov ecx, dword [eax - 8]
inc ecx
push ecx
push eax
push 1
push ebx
push str.LastUrlCmdLine
push edx
call esi
test eax, eax
jne 0x430fa4
mov ecx, dword [ebp - 0x2c]
mov eax, dword [ecx - 8]
cmp eax, 1
jle 0x430f54
inc eax
push eax
mov eax, dword [ebp - 0x14]
push ecx
push 1
push ebx
push str.LastDirCmdLine
push eax
call esi
mov ecx, dword [ebp - 0x28]
mov eax, dword [ecx - 8]
cmp eax, 1
jle 0x430f70
inc eax
push eax
push ecx
mov ecx, dword [ebp - 0x14]
push 1
push ebx
push str.LastFileCmdLine
push ecx
call esi
mov dl, byte [ebp - 0x21]
mov cl, byte [ebp - 0x20]
xor eax, eax
cmp dl, bl
setne al
cmp cl, bl
je 0x430f84
add eax, 2
cmp byte [ebp - 0x1f], bl
je 0x430f8c
add eax, 4
mov edx, dword [0x6614f8]
push eax
push 0x13be
push 0x111
push edx
call dword [sym.imp.USER32.dll_SendMessageA]
push ebx
call fcn.0056c9db
mov al, byte [ebp - 0x23]
push ebx
cmp al, bl
je 0x430fce
mov eax, dword [0x6614f8]
push 0x1398
push 0x111
push eax
call dword [sym.imp.USER32.dll_SendMessageA]
push ebx
call fcn.0056c9db
mov ecx, dword [0x6614f8]
push 0x2714
push 0x111
push ecx
call dword [sym.imp.USER32.dll_SendMessageA]
mov edx, dword [0x6614f8]
push edx
call dword [sym.imp.USER32.dll_SetForegroundWindow]
mov eax, dword [0x6614f8]
push eax
call dword [sym.imp.USER32.dll_IsWindowVisible]
test eax, eax
jne 0x4310c2
push 1
push str.ERROR_ALREADY_EXISTS__step_1_in_CDwnlApp_r_n
mov ecx, edi
call fcn.00478010
push ebx
mov ecx, esi
call fcn.00434a30
push str.Tonec_Internet_Download_Manager_MTX
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
cmp eax, ebx
mov dword [esi + 0x17c], eax
jne 0x431064
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
lea ecx, [ebp - 0x114]
push str.CreateMutex___failed_during_CDownloaderApp::CDownloaderApp____errCode___ld_n
push ecx
call fcn.0056b4da
add esp, 0xc
lea edx, [ebp - 0x114]
mov ecx, edi
push 1
push edx
call fcn.00478010
push ebx
call fcn.0056c9db
lea ecx, [ebp - 0x58]
mov byte [ebp - 4], 6
call fcn.004353b0
push str.IsActive
push ebx
push 1
push ebx
call dword [sym.imp.KERNEL32.dll_CreateEventA]
mov dword [esi + 0x19c], eax
call dword [sym.imp.KERNEL32.dll_GetLastError]
cmp dword [esi + 0x19c], ebx
jne 0x43112a
push eax
lea edx, [ebp - 0x114]
push str.CreateEvent___failed_during_CDownloaderApp::CDownloaderApp____errCode___ld_n
push edx
call fcn.0056b4da
add esp, 0xc
lea eax, [ebp - 0x114]
mov ecx, edi
push 1
push eax
call fcn.00478010
push ebx
call fcn.0056c9db
push ebx
call fcn.0056c9db
push 1
push str.ERROR_ALREADY_EXISTS_during_CM_in_CDownloaderApp_constructor_r_n
mov ecx, edi
call fcn.00478010
push ebx
mov ecx, esi
call fcn.00434a30
push str.Tonec_Internet_Download_Manager_MTX
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateMutexA]
cmp eax, ebx
mov dword [esi + 0x17c], eax
jne 0x431070
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
lea eax, [ebp - 0x114]
push str.CreateMutex___failed_during_CDownloaderApp::CDownloaderApp____errCode___ld_n
push eax
call fcn.0056b4da
add esp, 0xc
lea ecx, [ebp - 0x114]
push 1
push ecx
mov ecx, edi
call fcn.00478010
push ebx
call fcn.0056c9db
cmp eax, 0xb7
jne 0x431148
push str.IsActive
push ebx
push 0x1f0003
call dword [sym.imp.KERNEL32.dll_OpenEventA]
mov dword [esi + 0x19c], eax
lea ecx, [esi + 0x1a4]
push ecx
push ebx
push esi
push 0x46cb60
push ebx
push ebx
call dword [sym.imp.KERNEL32.dll_CreateThread]
cmp eax, ebx
mov dword [esi + 0x1a0], eax
jne 0x431193
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
lea edx, [ebp - 0x114]
push str.CreateThread___failed_during_CDownloaderApp::CDownloaderApp____errCode___ld_n
push edx
call fcn.0056b4da
add esp, 0xc
lea eax, [ebp - 0x114]
mov ecx, edi
push 1
push eax
call fcn.00478010
call fcn.0042e9c0
cmp al, bl
jne 0x4311a2
push ebx
call fcn.0056c9db
mov dword [esi + 0x180], ebx
mov eax, esi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret