Function at 0x4204cc
Capabilities:
Copy file
Delete file
Query environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xa4
cmp dword [ebp + 8], 0x11
push ebx
push esi
push edi
mov ebx, ecx
jne 0x42063b
mov eax, dword [ebp + 0xc]
mov esi, dword [eax]
and dword [ebp + 0xc], 0
lea ecx, [eax + 0x12]
mov eax, dword [ebx + 0xa0]
test eax, eax
mov dword [ebp - 8], ecx
mov dword [ebp - 4], esi
mov dword [ebp + 8], eax
jne 0x42052f
push 0x5c
push eax
push esi
call dword [sym.imp.SHLWAPI.dll_StrRChrW]
test eax, eax
je 0x420519
add eax, 2
mov dword [ebp - 4], eax
mov esi, eax
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
cmp eax, 4
jge 0x420528
push 4
pop eax
lea eax, [esi + eax*2 - 8]
mov dword [ebp + 8], eax
cmp dword [ebx + 0xa0], 0
push 9
pop ecx
push 0xf
mov esi, str._SystemRoot_INF_
lea edi, [ebp - 0x34]
rep movsd dword es:[edi], dword [esi]
pop ecx
mov esi, str._SystemRoot_SYSTEM32DRIVERS_
lea edi, [ebp - 0xa4]
rep movsd dword es:[edi], dword [esi]
movsw word es:[edi], word [esi]
push 0xb
pop ecx
mov esi, str._SystemRoot_SYSTEM32_
lea edi, [ebp - 0x64]
rep movsd dword es:[edi], dword [esi]
push 2
movsw word es:[edi], word [esi]
pop esi
jne 0x42059a
push 0x4c0b84
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
mov edi, eax
neg edi
sbb edi, edi
inc edi
je 0x420607
cmp word [ebx + 0xce], 0
jle 0x420602
mov eax, dword [ebx + 0xa4]
mov dword [ebp + 8], eax
mov dword [ebp + 0xc], esi
mov edi, dword [ebp + 0xc]
mov ebx, dword [ebp - 8]
push 0x104
push ebx
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
push ebx
call dword [sym.imp.KERNEL32.dll_lstrlenW]
push dword [ebp - 4]
mov dword [ebp + 8], eax
push ebx
call dword [sym.imp.KERNEL32.dll_lstrcatW]
cmp edi, esi
je 0x4205da
mov eax, dword [ebp + 8]
push 0x5c
lea eax, [ebx + eax*2]
push 0x23
push eax
call fcn.0040fa3b
add esp, 0xc
push ebx
call fcn.004146c0
test edi, edi
pop ecx
je 0x4205ec
push ebx
call dword [sym.imp.KERNEL32.dll_DeleteFileW]
push ebx
call fcn.004a980e
pop ecx
xor ecx, ecx
test eax, eax
setne cl
inc ecx
mov eax, ecx
jmp 0x420866
lea eax, [ebp - 0x34]
jmp 0x42062b
cmp dword [ebx + 0xc8], 0
je 0x420633
push str..SYS
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
lea eax, [ebp - 0xa4]
je 0x42062b
lea eax, [ebp - 0x64]
mov dword [ebp + 8], eax
jmp 0x42059d
push 2
pop eax
jmp 0x420866
cmp dword [ebp + 8], 0x13
jne 0x420864
cmp byte [ebx + 0xd0], 0
jne 0x420864
mov eax, dword [ebp + 0xc]
mov esi, dword [eax]
xor edi, edi
push esi
mov dword [ebp + 8], edi
mov dword [ebp + 0xc], esi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
cmp eax, 4
jle 0x42083b
push 0x4c0b84
lea eax, [esi + eax*2 - 8]
push eax
call dword [sym.imp.KERNEL32.dll_lstrcmpiW]
test eax, eax
jne 0x42083b
mov eax, dword [ebx + 0xb0]
cmp eax, edi
je 0x4206a2
push esi
push eax
mov ecx, ebx
call fcn.004114e4
test al, al
je 0x42081d
push edi
push esi
push ebx
call fcn.0041fbb5
add esp, 0xc
cmp eax, edi
mov dword [ebp - 4], eax
je 0x42081d
cmp word [ebx + 0xce], di
jle 0x42074a
push 0x514
lea ecx, [ebp + 8]
call fcn.00443fa0
push 9
pop ecx
push 0x104
push dword [ebp + 8]
lea eax, [ebp - 0x34]
mov esi, str._SystemRoot_INF_
lea edi, [ebp - 0x34]
push eax
rep movsd dword es:[edi], dword [esi]
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
push dword [ebp + 8]
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov edi, dword [ebp + 0xc]
lea esi, [eax + eax]
movsx eax, word [ebx + 0xce]
lea eax, [edi + eax*2]
push eax
mov eax, dword [ebp + 8]
add eax, esi
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatW]
mov eax, dword [ebp + 8]
push 0x5c
add esi, eax
push 0x23
push esi
call fcn.0040fa3b
push dword [ebp + 8]
call fcn.004146c0
add esp, 0x10
push 0
push dword [ebp + 8]
push edi
call dword [sym.imp.KERNEL32.dll_CopyFileW]
push edi
call fcn.0040fb82
mov eax, dword [ebp + 8]
pop ecx
mov dword [ebp + 0xc], eax
mov eax, dword [ebp - 4]
push dword [ebp + 0xc]
mov esi, dword [ebx + 0xbc]
mov edi, dword [ebx + 0xb8]
mov dword [ebx + 0xc8], 1
movzx eax, word [eax - 4]
mov dword [ebp - 0xc], eax
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov ecx, dword [ebp - 0xc]
mov dword [ebp - 0x10], eax
lea eax, [eax + ecx + 6]
mov dword [ebp - 8], eax
jmp 0x4207a2
mov eax, dword [ebp - 4]
cmp dword [esi], eax
ja 0x4207ac
add esi, 4
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
lea esi, [esi + eax*2 + 2]
push esi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
lea esi, [esi + eax*2 + 2]
cmp esi, dword [ebx + 0xb8]
jb 0x420782
jmp 0x4207c7
mov eax, dword [ebx + 0xb8]
sub eax, esi
push eax
mov eax, dword [ebp - 8]
lea eax, [esi + eax*2]
push esi
push eax
mov edi, esi
call fcn.00413d9a
add esp, 0xc
mov eax, dword [ebp - 4]
mov cx, word [ebp - 0xc]
mov dword [edi], eax
add edi, 4
push 2
pop esi
mov word [edi], cx
add edi, esi
mov cx, word [eax]
mov word [edi], cx
mov cx, word [eax]
add edi, esi
add eax, esi
test cx, cx
jne 0x4207db
mov cx, word [ebp - 0x10]
mov eax, dword [ebp + 0xc]
mov word [edi], cx
add edi, esi
mov cx, word [eax]
mov word [edi], cx
mov cx, word [eax]
add edi, esi
add eax, esi
test cx, cx
jne 0x4207f9
mov eax, dword [ebp - 8]
mov esi, dword [ebp + 0xc]
add eax, eax
add dword [ebx + 0xb8], eax
xor edi, edi
jmp 0x420841
lea eax, [ebx + 0xc8]
cmp dword [eax], 1
je 0x42085c
cmp dword [ebx + 0xa0], edi
jne 0x42085c
push esi
mov dword [eax], edi
call fcn.0040fb82
pop ecx
jmp 0x42085c
inc dword [ebx + 0xc8]
cmp dword [ebx + 0xa0], edi
jne 0x42085c
push esi
push 0x4c0cbc
push 0x4d80e8
call fcn.00410a74
add esp, 0xc
lea ecx, [ebp + 8]
call fcn.0043db4f
xor eax, eax
pop edi
pop esi
pop ebx
leave
ret 8