Function at 0x100a0810
Capabilities:
Get common file path
Query environment variable

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x10254586
push eax
mov dword fs:[0], esp
sub esp, 0x430
push ebx
push ebp
push esi
mov esi, dword [esp + 0x44c]
test esi, esi
push edi
je 0x100a0c1b
mov ebp, dword [esp + 0x454]
test ebp, ebp
je 0x100a0c1b
mov edi, dword [esp + 0x458]
test edi, edi
je 0x100a0c1b
push esi
call fcn.1006b93e
mov ebx, eax
add esp, 4
cmp ebx, edi
jb 0x100a087f
mov dword [0x102f7dd8], 0xea
push 0xea
jmp 0x100a0c27
lea ecx, [edi + edi]
xor eax, eax
mov edx, ecx
mov edi, ebp
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
push esi
and ecx, 3
push ebp
rep stosb byte es:[edi], al
call fcn.1006bf80
mov ax, word [esi]
mov edi, 0x5c
add esp, 8
cmp ax, di
jne 0x100a0b56
push 0xc
push str.SystemRoot_
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
jne 0x100a098f
mov ecx, 0x81
lea edi, [esp + 0x32]
mov word [esp + 0x30], ax
push 0x104
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [esp + 0x34]
add esi, 0x18
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemDirectoryW]
test eax, eax
jbe 0x100a096a
lea ecx, [esp + 0x30]
push 0x5c
push ecx
call fcn.1006caa8
add esp, 8
test eax, eax
je 0x100a0908
mov word [eax], 0
lea edx, [esp + 0x30]
test edx, edx
je 0x100a0963
test esi, esi
mov edi, 0x7a
je 0x100a0939
mov ecx, dword [esp + 0x458]
lea eax, [esp + 0x30]
push esi
push eax
push 0x102a8c4c
push ecx
push ebp
call fcn.1006c991
add esp, 0x14
xor edi, edi
jmp 0x100a0972
lea edx, [esp + 0x30]
push edx
call fcn.1006b93e
mov ecx, dword [esp + 0x45c]
add esp, 4
cmp ecx, eax
jbe 0x100a0972
lea eax, [esp + 0x30]
push eax
push ebp
call fcn.1006bf80
add esp, 8
xor edi, edi
jmp 0x100a0972
mov edi, 0x57
jmp 0x100a0972
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov edi, eax
test edi, edi
mov dword [0x102f7dd8], edi
je 0x100a0983
push edi
call dword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
test edi, edi
sete al
jmp 0x100a0c2f
push 8
push 0x102b57f0
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
je 0x100a0b3c
push 8
push 0x102b59c8
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
je 0x100a0b3c
push 8
push 0x102b59e4
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
je 0x100a0b3c
push 4
push 0x102b5824
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
je 0x100a0b0f
push 4
push 0x102b5818
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
je 0x100a0b0f
push 4
push 0x102b580c
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
je 0x100a0b0f
push 0x10
push str.DeviceHarddisk
push esi
call fcn.1006d108
add esp, 0xc
test eax, eax
jne 0x100a0baa
lea ecx, [esp + 0x20]
call fcn.10088e80
xor ebx, ebx
lea ecx, [esp + 0x10]
mov dword [esp + 0x448], ebx
call fcn.10088e80
lea ecx, [esp + 0x10]
lea edx, [esp + 0x20]
push ecx
push edx
mov byte [esp + 0x450], 1
call fcn.101a1040
mov eax, dword [esp + 0x1c]
add esp, 8
test eax, eax
jle 0x100a0ae5
mov eax, dword [esp + 0x10]
mov eax, dword [eax + ebx*4]
mov edi, dword [eax - 8]
test edi, edi
jbe 0x100a0aa1
push edi
push esi
push eax
call fcn.1006d108
add esp, 0xc
test eax, eax
jne 0x100a0aa1
mov ax, word [esi + edi*2]
cmp ax, 0x5c
je 0x100a0aac
cmp ax, 0x2f
je 0x100a0aac
mov eax, dword [esp + 0x14]
inc ebx
cmp ebx, eax
jl 0x100a0a74
jmp 0x100a0ae5
push esi
call fcn.1006b93e
mov ecx, dword [esp + 0x45c]
sub eax, edi
add eax, 2
add esp, 4
cmp eax, ecx
jae 0x100a0ae5
mov ecx, dword [esp + 0x20]
push 2
mov ebx, dword [ecx + ebx*4]
push ebx
push ebp
call fcn.1006c1b8
lea edx, [esi + edi*2]
lea eax, [ebp + 4]
push edx
push eax
call fcn.1006bf80
add esp, 0x14
lea ecx, [esp + 0x10]
mov byte [esp + 0x448], 0
call fcn.10088e90
lea ecx, [esp + 0x20]
mov dword [esp + 0x448], 0xffffffff
call fcn.10088e90
jmp 0x100a0baa
cmp ebx, 7
jb 0x100a0b30
cmp word [esi + 0xa], 0x3a
jne 0x100a0b30
cmp word [esi + 0xc], di
jne 0x100a0b30
add esi, 8
push esi
push ebp
call fcn.1006bf80
add esp, 8
jmp 0x100a0baa
mov word [ebp + 2], di
mov word [ebp + 4], 0x2e
jmp 0x100a0baa
add esi, 0x10
lea ecx, [ebp + 4]
push esi
push ecx
mov word [ebp], di
mov word [ebp + 2], di
call fcn.1006bf80
add esp, 8
jmp 0x100a0baa
cmp ax, 0x25
jne 0x100a0baa
lea edi, [esi + 2]
push 0x25
push edi
call fcn.1006bbe5
push 0x5c
push edi
mov ebx, eax
call fcn.1006bbe5
add esp, 0x10
test ebx, ebx
je 0x100a0baa
test eax, eax
je 0x100a0baa
cmp ebx, eax
jae 0x100a0baa
mov edx, dword [esp + 0x458]
lea edi, [edx - 1]
push edi
push ebp
push esi
call dword [sym.imp.KERNEL32.dll_ExpandEnvironmentStringsW]
test eax, eax
je 0x100a0c2d
cmp eax, edi
ja 0x100a0c2d
mov word [ebp + eax*2 - 2], 0
push ebp
call fcn.100a16b0
add esp, 4
test eax, eax
je 0x100a0c14
mov ecx, 0x103
xor eax, eax
lea edi, [esp + 0x32]
mov word [esp + 0x30], 0
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
lea eax, [esp + 0x30]
push 0x208
push eax
push ebp
call fcn.100a1370
add esp, 0xc
test eax, eax
je 0x100a0c14
lea ecx, [esp + 0x30]
push ecx
call fcn.1006b93e
mov esi, eax
mov eax, dword [esp + 0x45c]
add esp, 4
cmp esi, eax
jge 0x100a0c14
lea edx, [esp + 0x30]
push esi
push edx
push ebp
call fcn.1006c1b8
add esp, 0xc
mov word [ebp + esi*2], 0
mov eax, 1
jmp 0x100a0c2f
mov dword [0x102f7dd8], 0x57
push 0x57
call dword [sym.imp.KERNEL32.dll_SetLastError]
xor eax, eax
mov ecx, dword [esp + 0x440]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x43c
ret