Function at 0x4023ba
Capabilities:
Check if file exists
Delete file
Get common file path
Get file attributes
Move file
Persist via lnk shortcut
Query or enumerate registry value
Set file attributes

Disassembly:
push ebx
push esi
push edi
push ebp
push eax
mov eax, 0xc
add esp, 0xfffff004
push eax
dec eax
jne 0x4018b2
mov eax, dword [esp + 0xc000]
add esp, 0xfffff100
mov esi, edx
mov edi, 0x414064
mov dword [esp + 4], ecx
mov dword [esp], eax
test esi, esi
je 0x402401
jmp case.0x40192f.10
lea eax, [esp + 0x1028]
xor ebx, ebx
mov edx, ebx
shl edx, 0xc
lea ecx, [esp + 0x2028]
add edx, ecx
call fcn.00402b50
inc ebx
cmp ebx, 6
jl 0x4018ed
or ebp, 0xffffffff
xor ebx, ebx
push dword [edi + ebx*4]
lea eax, [esp + 0x2c]
push eax
call sub.KERNEL32.DLL_lstrcmpiA
test eax, eax
jne 0x401920
mov ebp, ebx
jmp 0x401926
inc ebx
cmp ebx, 0xd
jl 0x40190b
cmp ebp, 0xc
ja case.0x40192f.10
jmp dword [ebp*4 + 0x401936]
cmp dword [esp + 4], 2
jne case.0x40192f.10
lea eax, [esp + 0x8028]
push eax
push 0x400
call sub.KERNEL32.DLL_GetCurrentDirectoryA
lea edx, [esp + 0x8028]
lea eax, [esp + 0x8428]
call fcn.0040f798
lea eax, [esp + 0x8428]
call fcn.00402a44
lea edx, [esp + 0x1028]
lea eax, [esp + 0x8428]
call fcn.0040f86c
lea eax, [esp + 0x8828]
call fcn.004056ec
lea edx, [esp + 0x8428]
lea eax, [esp + 0x8828]
call fcn.00405740
lea eax, [esp + 0xa044]
call fcn.00406500
lea eax, [esp + 0xa070]
call fcn.00406500
lea eax, [esp + 0xa09c]
call fcn.00406500
jmp 0x401b66
push 0
lea edx, [esp + 0x9434]
push edx
call sub.KERNEL32.DLL_SetFileAttributesA
cmp byte [esp + 0xa040], 0
je 0x401adb
call fcn.004053d4
cmp eax, 4
je 0x401adb
lea edx, [esp + 0xa4e4]
lea eax, [esp + 0x8028]
call fcn.004063f4
lea eax, [esp + 0xa4e4]
call fcn.00402a44
lea eax, [esp + 0x8028]
call fcn.0040f718
mov ebx, eax
cmp ebx, 4
jl 0x401a6e
lea eax, [esp + 0xa4e4]
call fcn.0040f718
cmp eax, ebx
jb 0x401a84
lea eax, [esp + 0x1028]
xor edx, edx
call fcn.00405fd0
test al, al
jne 0x401b83
lea eax, [esp + 0x9430]
call fcn.0040f718
mov byte [esp + eax + 0x9431], 0
lea eax, [esp + 0xa8e4]
mov ecx, 0x1e
xor edx, edx
call fcn.0040f698
mov dword [esp + 0xa8e8], 3
mov word [esp + 0xa8f4], 0x14
lea eax, [esp + 0x9430]
mov dword [esp + 0xa8ec], eax
lea edx, [esp + 0xa8e4]
push edx
call sub.SHELL32.DLL_SHFileOperationA
lea ecx, [esp + 0x9430]
push ecx
call sub.KERNEL32.DLL_GetFileAttributesA
cmp eax, 0xffffffff
je 0x401b66
lea eax, [esp + 0x9430]
push eax
call sub.KERNEL32.DLL_DeleteFileA
test eax, eax
jne 0x401b66
xor ebx, ebx
push ebx
lea eax, [esp + 0x9434]
push eax
push str._s._d.tmp
lea edx, [esp + 0xa910]
push edx
call sub.USER32.DLL_wsprintfA
add esp, 0x10
lea ecx, [esp + 0xa904]
push ecx
call sub.KERNEL32.DLL_GetFileAttributesA
cmp eax, 0xffffffff
je 0x401b33
inc ebx
jmp 0x401b00
lea eax, [esp + 0xa904]
push eax
lea edx, [esp + 0x9434]
push edx
call sub.KERNEL32.DLL_MoveFileA
test eax, eax
je 0x401b66
call fcn.004053d4
test eax, eax
je 0x401b66
push 4
push 0
lea ecx, [esp + 0xa90c]
push ecx
call sub.KERNEL32.DLL_MoveFileExA
lea edx, [esp + 0x9430]
lea eax, [esp + 0x8828]
xor ecx, ecx
call fcn.00405778
test al, al
jne 0x401a01
lea eax, [esp + 0x8828]
mov edx, 2
call 0x405710
jmp case.0x40192f.10
cmp dword [esp + 4], 0
jne case.0x40192f.10
cmp dword [0x41404c], 0
sete bl
and ebx, 1
test bl, bl
jne 0x401bc4
mov edx, 0x4141a6
mov eax, dword [0x41404c]
call fcn.0040f86c
cmp byte [esp + 8], 0
je 0x401bd4
lea ebp, [esp + 0x1028]
jmp 0x401bdd
mov eax, esi
call fcn.00402808
mov ebp, eax
test bl, bl
je 0x401be5
xor eax, eax
jmp 0x401bef
mov eax, dword [0x41404c]
call fcn.0040f718
mov dword [esp + 0xc], eax
mov eax, ebp
call fcn.0040f718
mov edx, eax
mov eax, dword [0x41404c]
add edx, dword [esp + 0xc]
add edx, 5
call fcn.0040f634
mov dword [0x41404c], eax
test bl, bl
je 0x401c1f
mov edx, dword [0x41404c]
mov byte [edx], 0
mov edx, ebp
mov eax, dword [0x41404c]
call fcn.0040f86c
cmp byte [esp + 8], 0
jne case.0x40192f.10
mov eax, ebp
call fcn.0040f61c
jmp case.0x40192f.10
cmp dword [esp + 4], 0
jne case.0x40192f.10
lea edx, [esp + 0x1028]
push edx
push dword [esp + 4]
call sub.USER32.DLL_SetWindowTextA
jmp case.0x40192f.10
cmp dword [esp + 4], 0
jne case.0x40192f.10
lea ebx, [esp + 0x1028]
xor eax, eax
mov byte [esp + 0xad04], 0
mov al, byte [ebx]
cmp eax, 0x22
jne 0x401c87
inc ebx
mov eax, ebx
call fcn.0040f718
cmp eax, 0x400
jae case.0x40192f.10
xor edx, edx
mov dl, byte [ebx]
cmp edx, 0x2e
jne 0x401cc0
xor ecx, ecx
mov cl, byte [ebx + 1]
cmp ecx, 0x5c
jne 0x401cc0
lea edx, [ebx + 2]
lea eax, [esp + 0xad04]
call fcn.0040f798
jmp 0x401d9c
xor ecx, ecx
mov cl, byte [ebx]
cmp ecx, 0x5c
je 0x401cd8
cmp byte [ebx], 0
je 0x401ceb
xor eax, eax
mov al, byte [ebx + 1]
cmp eax, 0x3a
jne 0x401ceb
lea eax, [esp + 0xad04]
mov edx, ebx
call fcn.0040f798
jmp 0x401d9c
lea ecx, [esp + 0x10]
push ecx
push 1
push 0
push str.SoftwareMicrosoftWindowsCurrentVersion
push 0x80000002
call sub.ADVAPI32.DLL_RegOpenKeyExA
test eax, eax
jne 0x401d3a
mov dword [esp + 0x18], 0x400
lea eax, [esp + 0x18]
push eax
lea edx, [esp + 0xad08]
push edx
lea ecx, [esp + 0x1c]
push ecx
push 0
push str.ProgramFilesDir
push dword [esp + 0x24]
call sub.ADVAPI32.DLL_RegQueryValueExA
push dword [esp + 0x10]
call sub.ADVAPI32.DLL_RegCloseKey
cmp byte [esp + 0xad04], 0
je 0x401d6f
lea eax, [esp + 0xad04]
call fcn.0040f718
xor edx, edx
mov dl, byte [esp + eax + 0xad03]
cmp edx, 0x5c
je 0x401d6f
mov edx, 0x414098
lea eax, [esp + 0xad04]
call fcn.0040f86c
lea eax, [esp + 0xad04]
call fcn.0040f718
mov ebp, eax
mov eax, ebx
call fcn.0040f718
add ebp, eax
cmp ebp, 0x3ff
jae 0x401d9c
lea eax, [esp + 0xad04]
mov edx, ebx
call fcn.0040f86c
lea eax, [esp + 0xad04]
mov edx, 0x22
call fcn.0040f740
test eax, eax
je 0x401dba
cmp byte [eax + 1], 0
jne 0x401dba
mov byte [eax], 0
lea edx, [esp + 0xad04]
mov eax, 0x415978
call fcn.0040f798
lea eax, [esp + 0xad04]
call fcn.00402969
push 0x65
push dword [esp + 4]
call sub.USER32.DLL_GetDlgItem
mov ebx, eax
lea eax, [esp + 0xad04]
push eax
push ebx
call sub.USER32.DLL_SetWindowTextA
push 0x415978
push 0
push 0x143
push ebx
call sub.USER32.DLL_SendMessageA
lea edx, [esp + 0xad04]
mov eax, 0x415978
call fcn.0040f7c4
test eax, eax
je case.0x40192f.10
lea edx, [esp + 0xad04]
push edx
push 0
push 0x143
push ebx
call sub.USER32.DLL_SendMessageA
jmp case.0x40192f.10
cmp dword [0x414058], 1
je case.0x40192f.10
xor eax, eax
mov al, byte [esp + 0x1028]
call fcn.0040f8b0
test eax, eax
je 0x401e6d
xor edx, edx
mov dl, byte [esp + 0x1028]
add edx, 0xffffffd0
mov dword [0x414058], edx
jmp case.0x40192f.10
mov dword [0x414058], 2
jmp case.0x40192f.10
mov cl, byte [esp + 0x1028]
sub cl, 1
jb 0x401eae
sub cl, 0x2f
je 0x401e9a
dec cl
je 0x401eae
dec cl
je 0x401ec5
jmp case.0x40192f.10
xor eax, eax
mov dword [0x4148c8], eax
xor edx, edx
mov dword [0x4148cc], edx
jmp case.0x40192f.10
xor ecx, ecx
mov dword [0x4148c8], ecx
mov dword [0x4148cc], 1
jmp case.0x40192f.10
mov dword [0x4148c8], 1
xor eax, eax
mov dword [0x4148cc], eax
jmp case.0x40192f.10
cmp dword [esp + 4], 4
jne case.0x40192f.10
lea eax, [esp + 0x1028]
xor edx, edx
call fcn.00402501
jmp case.0x40192f.10
cmp dword [esp + 4], 1
jne 0x402061
lea ecx, [esp + 0xb104]
push ecx
push 0x400
call sub.KERNEL32.DLL_GetTempPathA
lea eax, [esp + 0xb104]
call fcn.00402a44
xor ebx, ebx
push ebx
push dword [0x414040]
lea eax, [esp + 0xb10c]
push eax
push str._s_s_d
lea edx, [esp + 0xb514]
push edx
call sub.USER32.DLL_wsprintfA
add esp, 0x14
lea ecx, [esp + 0xb504]
push ecx
call sub.KERNEL32.DLL_GetFileAttributesA
cmp eax, 0xffffffff
je 0x401f5d
inc ebx
jmp 0x401f24
lea eax, [esp + 0xb504]
push eax
push 0x65
push dword [esp + 8]
call sub.USER32.DLL_SetDlgItemTextA
cmp byte [esp + 0x1028], 0
je 0x402061
cmp byte [0x41405c], 0
jne 0x402061
mov byte [esp + 0xb904], 0
lea eax, [esp + 0x1028]
mov edx, 0x2c
call fcn.0040f728
test eax, eax
jne 0x401fe1
xor ebx, ebx
jmp 0x401fd6
and eax, 0xff
cmp eax, 0x40
jne 0x401fd5
lea edx, [esp + 0x1029]
lea eax, [esp + 0xb904]
add edx, ebx
call fcn.0040f798
mov byte [esp + ebx + 0x1028], 0
jmp 0x401fe1
inc ebx
mov al, byte [esp + ebx + 0x1028]
test al, al
jne 0x401fac
cmp byte [esp + 0xb904], 0
jne 0x402011
lea edx, [esp + 0x2028]
lea eax, [esp + 0x1028]
call fcn.0040f798
lea edx, [esp + 0x3028]
lea eax, [esp + 0xb904]
call fcn.0040f798
lea eax, [esp + 0x1028]
call fcn.00402e08
mov byte [esp + 0x1828], 0
push 0x24
lea edx, [esp + 0xb908]
push edx
lea ecx, [esp + 0x1030]
push ecx
push dword [esp + 0xc]
call sub.USER32.DLL_MessageBoxA
cmp eax, 6
je 0x402061
push 1
mov byte [0x414045], 1
push dword [esp + 4]
mov dword [0x4148c4], 1
call sub.USER32.DLL_EndDialog
cmp dword [esp + 4], 7
jne case.0x40192f.10
cmp dword [0x414058], 0
jne 0x40207f
mov dword [0x414058], 2
mov byte [0x414044], 1
jmp case.0x40192f.10
cmp dword [esp + 4], 3
jne 0x4020b9
cmp byte [esp + 0x1028], 0
je 0x4020ad
lea eax, [esp + 0x1028]
push eax
push dword [esp + 4]
call sub.USER32.DLL_SetWindowTextA
mov eax, esi
call fcn.00402808
mov dword [0x414050], eax
mov byte [0x41405e], 1
jmp case.0x40192f.10
cmp dword [esp + 4], 5
jne case.0x40192f.10
lea eax, [esp + 0x1028]
mov dl, 1
call fcn.00402501
jmp case.0x40192f.10
cmp dword [esp + 4], 6
jne case.0x40192f.10
xor eax, eax
mov al, byte [esp + 0x2028]
call fcn.0040f65c
sub eax, 0x50
je 0x40211f
sub eax, 3
je 0x40210b
dec eax
je 0x402115
jmp 0x402129
mov dword [esp + 0x1c], 0xb
jmp 0x402131
mov dword [esp + 0x1c], 7
jmp 0x402131
mov dword [esp + 0x1c], 2
jmp 0x402131
mov dword [esp + 0x1c], 0x10
mov byte [esp + 0xc704], 0
lea edx, [esp + 0x3028]
lea eax, [esp + 0xbb04]
call fcn.0040f798
xor edx, edx
mov dl, byte [esp + 0xbb04]
cmp edx, 0x22
jne 0x4021cb
lea edx, [esp + 0x3029]
lea eax, [esp + 0xbb04]
call fcn.0040f798
cmp byte [0x41a5fc], 0
je 0x40218e
lea edx, [esp + 0xbb05]
mov eax, 0x41a4fc
mov ecx, 0x22
call fcn.004100c0
jmp 0x40219f
lea eax, [esp + 0xbb05]
mov edx, 0x22
call fcn.0040f728
mov dword [esp + 0x20], eax
cmp dword [esp + 0x20], 0
je 0x40227b
mov ecx, dword [esp + 0x20]
lea eax, [esp + 0xc704]
mov byte [ecx], 0
mov edx, dword [esp + 0x20]
inc edx
call fcn.0040f798
jmp 0x40227b
lea eax, [esp + 0xbb04]
xor edx, edx
call fcn.00406aec
test al, al
jne 0x40227b
xor ecx, ecx
mov dword [esp + 0x24], ecx
lea ebp, [esp + 0xbb04]
jmp 0x402267
mov dl, byte [ebp]
xor eax, eax
mov al, dl
cmp eax, 0x20
je 0x402201
cmp eax, 0x2f
jne 0x402266
mov ebx, edx
xor edx, edx
mov byte [ebp], 0
lea eax, [esp + 0xbb04]
call fcn.00406aec
test al, al
je 0x402263
mov dword [esp + 0x24], ebp
xor ecx, ecx
mov cl, bl
cmp ecx, 0x2f
jne 0x40223f
mov byte [esp + 0xc704], 0x2f
lea edx, [ebp + 1]
lea eax, [esp + 0xc705]
call fcn.0040f798
jmp 0x40225b
inc ebp
jmp 0x402243
inc ebp
xor ecx, ecx
mov cl, byte [ebp]
cmp ecx, 0x20
je 0x402242
lea eax, [esp + 0xc704]
mov edx, ebp
call fcn.0040f798
mov ecx, dword [esp + 0x24]
mov byte [ecx], bl
jmp 0x402266
mov byte [ebp], bl
inc ebp
cmp byte [ebp], 0
jne 0x4021f0
cmp dword [esp + 0x24], 0
je 0x40227b
mov eax, dword [esp + 0x24]
mov byte [eax], 0
lea edx, [esp + 0xbf04]
lea eax, [esp + 0xbb04]
call fcn.00406bb8
lea eax, [esp + 0xc304]
mov edx, dword [esp + 0x1c]
call fcn.00402d20
lea eax, [esp + 0xc304]
call fcn.00402a44
cmp byte [esp + 0x4028], 0
je 0x4022d3
lea edx, [esp + 0x4028]
lea eax, [esp + 0xc304]
call fcn.0040f86c
lea eax, [esp + 0xc304]
call fcn.00402a44
lea edx, [esp + 0xc304]
lea eax, [esp + 0xcb04]
call fcn.0040f798
cmp byte [esp + 0x6028], 0
je 0x4022f9
lea eax, [esp + 0x6028]
jmp 0x402300
lea eax, [esp + 0x3028]
call fcn.00405c40
mov edx, eax
lea eax, [esp + 0xc304]
call fcn.0040f86c
lea eax, [esp + 0xc304]
call fcn.00405f6c
test eax, eax
je 0x402331
mov edx, str..lnk
call fcn.0040f820
test eax, eax
je 0x402342
mov edx, str..lnk
lea eax, [esp + 0xc304]
call fcn.0040f86c
lea eax, [esp + 0xc304]
mov cl, 1
xor edx, edx
call fcn.00406808
cmp byte [esp + 0x7028], 0
je 0x402365
lea eax, [esp + 0x7028]
jmp 0x402367
xor eax, eax
push eax
cmp byte [esp + 0xc708], 0
je 0x40237b
lea edx, [esp + 0xc708]
jmp 0x40237d
xor edx, edx
push edx
cmp byte [esp + 0x5030], 0
je 0x402391
lea ecx, [esp + 0x5030]
jmp 0x402393
xor ecx, ecx
lea edx, [esp + 0xc30c]
lea eax, [esp + 0xbf0c]
call fcn.00402c10
cmp byte [esp + 0xcb04], 0
je case.0x40192f.10
push 0
lea eax, [esp + 0xcb08]
push eax
push 1
push 0x1000
call sub.SHELL32.DLL_SHChangeNotify
jmp case.0x40192f.10
cmp dword [esp + 4], 7
jne case.0x40192f.10
mov byte [0x41405d], 1
lea edx, [esp + 8]
push edx
lea ecx, [esp + 0xd]
push ecx
push 0x1000
lea ecx, [esp + 0x1034]
lea edx, [esp + 0x34]
mov eax, esi
call fcn.0040240c
mov esi, eax
test eax, eax
jne 0x4018e4
add esp, 0xcf04
pop ebp
pop edi
pop esi
pop ebx
ret