Function at 0x4201cb
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 0x4201e5
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.00444f8a
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 0x42021d
mov dword [ebp - 0xc], 0x24
jmp 0x420225
cmp dword [ebp + 0xc], ebx
jne 0x420225
mov dword [ebp - 0x10], ebx
mov ax, word [edi]
push 0x24
pop ecx
cmp ax, cx
jne 0x42023c
cmp word [ebp - 0xc], 0
jne 0x42023c
mov dword [ebp - 0xc], ecx
jmp 0x42024b
cmp ax, bx
jne 0x420250
cmp word [ebp - 0x10], 0
jne 0x420250
mov dword [ebp - 0x10], ebx
inc edi
inc edi
mov dword [ebp + 8], edi
cmp word [edi], 0x20
jne 0x42025b
inc edi
inc edi
mov dword [ebp + 8], edi
xor eax, eax
mov ax, word [edi]
cmp ax, 0x2a
je 0x42026c
cmp ax, 0x2d
jne 0x420274
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.00444f6c
cmp word [edi], 0
jne 0x420367
cmp dword [ebp + 0x10], 0
je 0x420360
cmp dword [ebp + 0x10], ebx
je 0x420360
mov word [esi], 0x2a
xor esi, esi
mov eax, dword [esi + 0x4c30d4]
mov ebx, dword [ebp - 0x20]
inc eax
inc eax
push eax
push 0x4c5f38
add ebx, 2
push ebx
call dword [sym.imp.USER32.dll_wsprintfW]
add esp, 0xc
push 1
lea edi, [esi + 0x4c30d0]
push dword [edi]
lea ebx, [ebx + eax*2]
push ebx
push 0
call dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
test eax, eax
je 0x420352
cmp dword [edi], 0x1a
jne 0x420305
push str.MicrosoftInternet_ExplorerQuick_Launch
push ebx
call dword [sym.imp.KERNEL32.dll_lstrcatW]
push ebx
call fcn.00414ebb
pop ecx
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_CreateDirectoryW]
push str.HKCUEnvironment_
lea ecx, [ebp - 0x1c]
call fcn.0044e88f
mov eax, dword [ebp - 0x20]
add eax, 2
push eax
lea ecx, [ebp - 0x1c]
call fcn.00444fd8
push 1
push dword [ebp - 0x1c]
mov edi, 0x4dd0f0
mov ecx, edi
call fcn.00460564
push ebx
push dword [esi + 0x4c30d4]
mov ecx, edi
call fcn.00444692
mov ecx, dword [ebp - 0x14]
push 0
push 0
push dword [ebp + 0xc]
push dword [ebp - 0x20]
call fcn.004201cb
add esi, 8
cmp esi, 0x40
jb 0x4202ac
jmp 0x420364
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 0x420491
cmp word [ecx], 0
je 0x420491
push 0x7e
pop esi
xor edx, edx
mov dx, word [ecx]
mov eax, edx
call fcn.0043e785
test al, al
jne 0x42047d
cmp dx, 0x2e
je 0x420471
cmp dx, 0x24
je 0x420471
cmp dx, 0x25
je 0x420471
cmp dx, 0x2a
jne 0x4203ca
or bl, 4
jmp 0x420471
cmp dx, si
jne 0x42040f
lea eax, [ecx + 2]
cmp word [eax], si
jne 0x4203df
or bl, 2
jmp 0x42046f
cmp dx, si
jne 0x42040f
lea eax, [ecx + 2]
cmp word [eax], 0x2e
jne 0x4203f2
or bl, 8
jmp 0x42046f
cmp dx, si
jne 0x42040f
lea eax, [ecx + 2]
cmp word [eax], 0x2a
jne 0x420405
or bl, 9
jmp 0x42046f
cmp dx, si
jne 0x42040f
or bl, 1
jmp 0x420471
cmp dx, 0x2d
jne 0x420471
cmp word [ecx + 2], 0x65
jne 0x420432
cmp word [ecx + 4], 0x6e
jne 0x420432
lea eax, [ecx + 6]
cmp word [eax], 0x76
jne 0x420432
or byte [ebp + 0xf], 0x40
jmp 0x42046f
cmp dx, 0x2d
jne 0x420471
cmp word [ecx + 2], 0x72
jne 0x420455
cmp word [ecx + 4], 0x61
jne 0x420455
lea eax, [ecx + 6]
cmp word [eax], 0x77
jne 0x420455
or byte [ebp + 0xb], 0x40
jmp 0x42046f
cmp dx, 0x2d
jne 0x420471
cmp word [ecx + 2], 0x65
jne 0x420471
lea eax, [ecx + 4]
cmp word [eax], 0x78
jne 0x420471
mov byte [ebp + 0x13], 1
mov ecx, eax
inc ecx
inc ecx
cmp word [ecx], 0
jne 0x42038a
cmp byte [ebp + 0xb], 0
je 0x420491
lea eax, [ebp + 0x14]
push eax
xor bl, bl
call fcn.00409344
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 0x4204aa
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 0x4204ce
test byte [ecx + 9], 0xf
jne 0x4204ce
push 1
push edx
lea eax, [ebp - 0x18]
push eax
push edi
call fcn.004566ef
jmp 0x4204db
push 1
push edx
lea eax, [ebp - 0x18]
push eax
push edi
call fcn.004553cd
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 0x420514
cmp dword [ebp - 8], edi
je 0x420544
xor eax, eax
mov al, byte [ebp + 0xf]
or al, bl
lea ecx, [ebp - 0x30]
push eax
push dword [ebp - 8]
call fcn.0044e88f
mov ecx, dword [ebp - 0x14]
push eax
call fcn.0045c7d4
mov dword [ebp - 8], eax
cmp dword [ebp - 8], edi
je 0x420544
lea eax, [ebp - 0x3c]
push eax
push dword [ebp + 0x14]
lea eax, [ebp - 0x2c]
push eax
lea eax, [ebp - 8]
push eax
call fcn.0045be83
add esp, 0x10
cmp dword [ebp - 8], edi
je 0x420544
push dword [ebp - 8]
call dword [sym.imp.KERNEL32.dll_lstrlenW]
mov edi, eax
shl edi, 1
jmp 0x420546
xor edi, edi
xor ebx, ebx
cmp word [esi], bx
je 0x4205ff
cmp word [ebp - 0xc], bx
je 0x42058a
cmp dword [ebp - 8], ebx
jne 0x420571
push esi
push str.SYSTEMCurrentControlSetControlSession_ManagerEnvironment
push 0x80000002
call fcn.0043fad8
add esp, 0xc
jmp 0x42058a
push edi
push dword [ebp - 8]
push 1
push esi
push str.SYSTEMCurrentControlSetControlSession_ManagerEnvironment
push 0x80000002
call fcn.0043fa7d
add esp, 0x18
cmp word [esi], bx
je 0x4205ff
cmp word [ebp - 0x10], bx
je 0x4205c8
cmp dword [ebp - 8], ebx
jne 0x4205af
push esi
push str.Environment
push 0x80000001
call fcn.0043fad8
add esp, 0xc
jmp 0x4205c8
push edi
push dword [ebp - 8]
push 1
push esi
push str.Environment
push 0x80000001
call fcn.0043fa7d
add esp, 0x18
cmp word [esi], bx
je 0x4205ff
cmp byte [ebp + 0x13], 0
je 0x4205e3
push dword [ebp - 8]
push dword [ebp - 0x14]
call fcn.00448995
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 0x4205f6
mov dword [ebp - 0x28], ebx
jmp 0x4205ff
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov dword [ebp - 0x28], eax
cmp byte [ebp - 1], 0
je 0x420651
cmp word [ebp - 0x24], 0x2a
je 0x420651
cmp word [ebp - 0x24], 0x2d
je 0x420636
mov al, byte [0x4dce7d]
cmp al, 0x2d
je 0x420636
cmp byte [ebp - 1], 0x10
je 0x42062f
test al, al
je 0x42062f
mov byte [0x4dce7e], 1
jmp 0x420651
call fcn.00411db3
jmp 0x420651
push ebx
push 0x4dcc24
mov eax, 0x10000
push eax
push eax
push ebx
push 0x4200b5
call fcn.0043e915
add esp, 0x18
lea ecx, [ebp - 0x2c]
call fcn.0043e825
lea ecx, [ebp - 0x30]
call fcn.0043e825
lea ecx, [ebp - 0x18]
call fcn.0043e825
lea ecx, [ebp - 0x1c]
call fcn.0043e825
lea ecx, [ebp - 0x34]
call fcn.0043e825
mov eax, dword [ebp - 0x28]
pop edi
pop esi
pop ebx
leave
ret 0x10