Function at 0x420aee
Capabilities:
Create directory
Get common file path
Set environment variable

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x3c
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
cmp word [edi], 0x5e
mov dword [ebp - 0x14], ecx
jne 0x420b08
inc edi
inc edi
mov dword [ebp + 8], edi
push edi
call dword [sym.imp.KERNEL32.dll_lstrlenW]
add eax, 0x400
push eax
lea ecx, [ebp - 0x34]
call fcn.0043dd9c
mov esi, dword [ebp - 0x34]
xor eax, eax
cmp dword [ebp + 0xc], 0x24
push 0x23
mov dword [ebp - 0x20], esi
mov dword [ebp - 0xc], eax
mov dword [ebp - 0x10], eax
mov dword [ebp - 0x24], eax
pop ebx
jne 0x420b40
mov dword [ebp - 0xc], 0x24
jmp 0x420b48
cmp dword [ebp + 0xc], ebx
jne 0x420b48
mov dword [ebp - 0x10], ebx
mov ax, word [edi]
push 0x24
pop ecx
cmp ax, cx
jne 0x420b5f
cmp word [ebp - 0xc], 0
jne 0x420b5f
mov dword [ebp - 0xc], ecx
jmp 0x420b6e
cmp ax, bx
jne 0x420b73
cmp word [ebp - 0x10], 0
jne 0x420b73
mov dword [ebp - 0x10], ebx
inc edi
inc edi
mov dword [ebp + 8], edi
cmp word [edi], 0x20
jne 0x420b7e
inc edi
inc edi
mov dword [ebp + 8], edi
xor eax, eax
mov ax, word [edi]
cmp ax, 0x2a
je 0x420b8f
cmp ax, 0x2d
jne 0x420b97
inc edi
inc edi
mov dword [ebp - 0x24], eax
mov dword [ebp + 8], edi
and dword [ebp - 0x28], 0
cmp byte [ebp + 0xc], 0
lea ecx, [ebp - 0x1c]
setne byte [ebp - 1]
call fcn.0043dd7e
cmp word [edi], 0
jne 0x420c8a
cmp dword [ebp + 0x10], 0
je 0x420c83
cmp dword [ebp + 0x10], ebx
je 0x420c83
mov word [esi], 0x2a
xor esi, esi
mov eax, dword [esi + 0x4a7d6c]
mov ebx, dword [ebp - 0x20]
inc eax
inc eax
push eax
push 0x4aadf8
add ebx, 2
push ebx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
push 1
lea edi, [esi + 0x4a7d68]
push dword [edi]
lea ebx, [ebx + eax*2]
push ebx
push 0
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
test eax, eax
je 0x420c75
cmp dword [edi], 0x1a
jne 0x420c28
push str.MicrosoftInternet_ExplorerQuick_Launch
push ebx
call dword [sym.imp.KERNEL32.dll_lstrcatW]
push ebx
call fcn.00412d86
pop ecx
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push str.HKCUEnvironment_
lea ecx, [ebp - 0x1c]
call fcn.004464ff
mov eax, dword [ebp - 0x20]
add eax, 2
push eax
lea ecx, [ebp - 0x1c]
call fcn.0043ddea
push 1
push dword [ebp - 0x1c]
mov edi, 0x4c0fb8
mov ecx, edi
call fcn.00456701
push ebx
push dword [esi + 0x4a7d6c]
mov ecx, edi
call fcn.0043d658
mov ecx, dword [ebp - 0x14]
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp - 0x20]
call fcn.00420aee
add esi, 8
cmp esi, 0x40
jb 0x420bcf
jmp 0x420c87
mov byte [ebp - 1], 0x10
mov edi, dword [ebp + 8]
mov ecx, dword [ebp + 0x14]
xor bl, bl
test ecx, ecx
mov byte [ebp + 0xf], bl
mov byte [ebp + 0xb], bl
mov byte [ebp + 0x13], bl
je 0x420db4
cmp word [ecx], 0
je 0x420db4
push 0x7e
pop esi
xor edx, edx
mov dx, word [ecx]
mov eax, edx
call fcn.00437e2d
test al, al
jne 0x420da0
cmp dx, 0x2e
je 0x420d94
cmp dx, 0x24
je 0x420d94
cmp dx, 0x25
je 0x420d94
cmp dx, 0x2a
jne 0x420ced
or bl, 4
jmp 0x420d94
cmp dx, si
jne 0x420d32
lea eax, [ecx + 2]
cmp word [eax], si
jne 0x420d02
or bl, 2
jmp 0x420d92
cmp dx, si
jne 0x420d32
lea eax, [ecx + 2]
cmp word [eax], 0x2e
jne 0x420d15
or bl, 8
jmp 0x420d92
cmp dx, si
jne 0x420d32
lea eax, [ecx + 2]
cmp word [eax], 0x2a
jne 0x420d28
or bl, 9
jmp 0x420d92
cmp dx, si
jne 0x420d32
or bl, 1
jmp 0x420d94
cmp dx, 0x2d
jne 0x420d94
cmp word [ecx + 2], 0x65
jne 0x420d55
cmp word [ecx + 4], 0x6e
jne 0x420d55
lea eax, [ecx + 6]
cmp word [eax], 0x76
jne 0x420d55
or byte [ebp + 0xf], 0x40
jmp 0x420d92
cmp dx, 0x2d
jne 0x420d94
cmp word [ecx + 2], 0x72
jne 0x420d78
cmp word [ecx + 4], 0x61
jne 0x420d78
lea eax, [ecx + 6]
cmp word [eax], 0x77
jne 0x420d78
or byte [ebp + 0xb], 0x40
jmp 0x420d92
cmp dx, 0x2d
jne 0x420d94
cmp word [ecx + 2], 0x65
jne 0x420d94
lea eax, [ecx + 4]
cmp word [eax], 0x78
jne 0x420d94
mov byte [ebp + 0x13], 1
mov ecx, eax
inc ecx
inc ecx
cmp word [ecx], 0
jne 0x420cad
cmp byte [ebp + 0xb], 0
je 0x420db4
lea eax, [ebp + 0x14]
push eax
xor bl, bl
call fcn.00405196
mov edi, dword [eax]
pop ecx
push 0x3d
push edi
call dword [sym.imp.SHLWAPI.dll_StrChrW]
xor edx, edx
cmp eax, edx
mov dword [ebp - 8], eax
je 0x420dcd
mov word [eax], dx
add dword [ebp - 8], 2
mov ecx, dword [ebp - 0x14]
cmp byte [ecx + 0x92], 0
mov dword [ebp - 0x18], edx
jne 0x420df1
test byte [ecx + 9], 0xf
jne 0x420df1
push 1
push edx
lea eax, [ebp - 0x18]
push eax
push edi
call fcn.0044c7f3
jmp 0x420dfe
push 1
push edx
lea eax, [ebp - 0x18]
push eax
push edi
call fcn.0044bafc
mov esi, dword [ebp - 0x18]
xor edi, edi
test bl, bl
mov dword [ebp - 0x30], edi
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x3c], edi
mov dword [ebp - 0x38], edi
je 0x420e37
cmp dword [ebp - 8], edi
je 0x420e67
xor eax, eax
mov al, byte [ebp + 0xf]
or al, bl
lea ecx, [ebp - 0x30]
push eax
push dword [ebp - 8]
call fcn.004464ff
mov ecx, dword [ebp - 0x14]
push eax
call fcn.00452471
mov dword [ebp - 8], eax
cmp dword [ebp - 8], edi
je 0x420e67
lea eax, [ebp - 0x3c]
push eax
push dword [ebp + 0x14]
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 8]
push eax
call fcn.00451bbd
add esp, 0x10
cmp dword [ebp - 8], edi
je 0x420e67
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov edi, eax
shl edi, 1
jmp 0x420e69
xor edi, edi
xor ebx, ebx
cmp word [esi], bx
je 0x420f22
cmp word [ebp - 0xc], bx
je 0x420ead
cmp dword [ebp - 8], ebx
jne 0x420e94
push esi
push str.SYSTEMCurrentControlSetControlSession_ManagerEnvironment
push 0x80000002
call fcn.0043904c
add esp, 0xc
jmp 0x420ead
push edi
push dword [ebp - 8]
push 1
push esi
push str.SYSTEMCurrentControlSetControlSession_ManagerEnvironment
push 0x80000002
call fcn.00439000
add esp, 0x18
cmp word [esi], bx
je 0x420f22
cmp word [ebp - 0x10], bx
je 0x420eeb
cmp dword [ebp - 8], ebx
jne 0x420ed2
push esi
push str.Environment
push 0x80000001
call fcn.0043904c
add esp, 0xc
jmp 0x420eeb
push edi
push dword [ebp - 8]
push 1
push esi
push str.Environment
push 0x80000001
call fcn.00439000
add esp, 0x18
cmp word [esi], bx
je 0x420f22
cmp byte [ebp + 0x13], 0
je 0x420f06
push dword [ebp - 8]
push dword [ebp - 0x14]
call fcn.0044127a
pop ecx
pop ecx
mov dword [ebp - 8], eax
push dword [ebp - 8]
push esi
call dword [sym.imp.KERNEL32.dll_SetEnvironmentVariableW]
test eax, eax
je 0x420f19
mov dword [ebp - 0x28], ebx
jmp 0x420f22
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x28], eax
cmp byte [ebp - 1], 0
je 0x420f74
cmp word [ebp - 0x24], 0x2a
je 0x420f74
cmp word [ebp - 0x24], 0x2d
je 0x420f59
mov al, byte [0x4c0de5]
cmp al, 0x2d
je 0x420f59
cmp byte [ebp - 1], 0x10
je 0x420f52
test al, al
je 0x420f52
mov byte [0x4c0de6], 1
jmp 0x420f74
call fcn.004101aa
jmp 0x420f74
push ebx
push 0x4c0bcc
mov eax, 0x10000
push eax
push eax
push ebx
push 0x4209d8
call fcn.00437fa4
add esp, 0x18
lea ecx, [ebp - 0x2c]
call fcn.00437e1a
lea ecx, [ebp - 0x30]
call fcn.00437e1a
lea ecx, [ebp - 0x18]
call fcn.00437e1a
lea ecx, [ebp - 0x1c]
call fcn.00437e1a
lea ecx, [ebp - 0x34]
call fcn.00437e1a
mov eax, dword [ebp - 0x28]
pop edi
pop esi
pop ebx
leave
ret 0x10