Function at 0x438e20
Capabilities:
Check if file exists
Delete registry key
Delete registry value
Get common file path
Get startup folder
Link many functions at runtime
Persist via run registry key
Query or enumerate registry value
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x511af9
mov eax, dword fs:[0]
push eax
mov eax, 0x1c70
call fcn.00455e00
mov eax, dword [0x55b1c4]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov edi, dword [ebp + 8]
lea eax, [ebp - 0x218]
push 0x208
push 0
push eax
mov dword [ebp - 0x1c70], edi
call fcn.004803b0
add esp, 0xc
lea eax, [ebp - 0x218]
push 0x104
push eax
push dword [0x5617b4]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathRemoveFileSpecW]
push str.netul.dll
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.SHLWAPI.dll_PathAppendW]
call fcn.00437640
mov esi, eax
cmp dword [esi], 0
jne 0x438f25
lea eax, [ebp - 0x218]
push eax
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov dword [esi], eax
test eax, eax
je 0x439098
push str.HttpInit
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.HttpUninit
push dword [esi]
mov dword [esi + 4], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.zlib_uncompress
push dword [esi]
mov dword [esi + 8], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.zlib_compress
push dword [esi]
mov dword [esi + 0x10], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
push str.zlib_compressBound
push dword [esi]
mov dword [esi + 0x14], eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [esi + 0x18], eax
mov eax, dword [esi + 4]
test eax, eax
je 0x438f25
call eax
mov dword [esi + 0xc], eax
cmp dword [esi + 8], 0
je 0x439098
cmp dword [esi + 4], 0
je 0x439098
cmp dword [esi + 0xc], 0
je 0x439098
push 0x208
lea eax, [ebp - 0x420]
push 0
push eax
call fcn.004803b0
add esp, 0xc
lea eax, [ebp - 0x420]
push 0x104
push eax
push dword [0x5617b4]
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameW]
call fcn.00421ae0
mov ecx, eax
test ecx, ecx
je 0x43984c
mov eax, dword [ecx]
mov eax, dword [eax + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0x1c5c], eax
mov dword [ebp - 4], 0
call fcn.00421ae0
mov ecx, eax
test ecx, ecx
je 0x439856
mov eax, dword [ecx]
mov eax, dword [eax + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0x1c58], eax
lea eax, [ebp - 0x420]
mov byte [ebp - 4], 1
push eax
lea ecx, [ebp - 0x1c58]
call fcn.00408870
test al, al
jne 0x439002
lea ecx, [ebp - 0x420]
lea edx, [ecx + 2]
nop dword [eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x438fe0
sub ecx, edx
lea eax, [ebp - 0x420]
sar ecx, 1
push ecx
push eax
lea ecx, [ebp - 0x1c58]
call fcn.0040a770
lea eax, [ebp - 0x1c5c]
mov byte [ebp - 4], 2
push eax
lea eax, [ebp - 0x1c58]
push eax
call fcn.0042a240
mov edx, dword [ebp - 0x1c58]
add esp, 8
mov byte [ebp - 4], 0
add edx, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x43903e
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
push ecx
mov esi, esp
mov dword [ebp - 0x1c6c], esp
call fcn.0042b330
push eax
mov ecx, esi
call fcn.004077f0
push ecx
lea eax, [ebp - 0x1c5c]
mov byte [ebp - 4], 3
mov ecx, esp
push eax
call fcn.00428d30
mov byte [ebp - 4], 0
call fcn.004df130
mov edx, dword [ebp - 0x1c5c]
add esp, 8
mov dword [ebp - 4], 0xffffffff
add edx, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x439098
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - method.mf_bind_t_class_CUninstaller__class_CUninstaller___void_.virtual_0], vtable.mf_bind_t_class_CUninstaller__class_CUninstaller___void_.0
mov dword [ebp - 0x428], 0x438020
mov dword [ebp - 0x424], edi
lea eax, [ebp - 0x42c]
mov dword [ebp - 4], 4
push eax
call fcn.00421de0
push 0x521b54
mov dword [ebp - 4], 0xffffffff
call fcn.00428250
push 0x208
lea eax, [ebp - 0x658]
mov dword [ebp - 0x1c64], 1
push 0
push eax
mov dword [ebp - 0x1c60], 0x104
call fcn.004803b0
add esp, 0x14
lea eax, [ebp - 0x1c60]
lea ecx, [ebp - 0x1c51]
push eax
lea eax, [ebp - 0x658]
push eax
lea eax, [ebp - 0x1c64]
push eax
push str.InstallDate
call fcn.00435cf0
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHGetValueW]
lea ecx, [ebp - 0x1c51]
call fcn.00434a70
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHDeleteKeyW]
lea ecx, [ebp - 0x658]
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x439151
sub ecx, edx
sar ecx, 1
lea eax, [ecx + ecx]
push eax
lea eax, [ebp - 0x658]
push eax
push 1
push str.InstallDate
lea ecx, [ebp - 0x1c51]
call fcn.00434fd0
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
lea eax, [ebp - 0x430]
xorps xmm0, xmm0
push eax
movups xmmword [ebp - 0x430], xmm0
call dword [sym.imp.KERNEL32.dll_GetLocalTime]
call fcn.00421ae0
mov ecx, eax
test ecx, ecx
je 0x439860
mov eax, dword [ecx]
mov eax, dword [eax + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0x1c5c], eax
movzx eax, word [ebp - 0x424]
push eax
movzx eax, word [ebp - 0x426]
push eax
movzx eax, word [ebp - 0x428]
push eax
movzx eax, word [ebp - 0x42a]
push eax
movzx eax, word [ebp - 0x42e]
push eax
movzx eax, word [ebp - 0x430]
push eax
lea eax, [ebp - 0x1c5c]
mov dword [ebp - 4], 5
push str._04d__02d__02d__02d:_02d:_02d
push eax
call fcn.00408d20
mov esi, dword [ebp - 0x1c5c]
lea ecx, [ebp - 0x1c51]
add esp, 0x20
mov eax, dword [esi - 0xc]
add eax, eax
push eax
push esi
push 1
push str.LastUninstallDate
call fcn.00434660
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
lea ecx, [ebp - 0x1c51]
call fcn.004364c0
push eax
push SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHDeleteKeyW]
mov dword [ebp - 4], 0xffffffff
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x43926b
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
push 1
mov ecx, edi
call fcn.00437f00
push str.start_call_program
call fcn.00428250
add esp, 4
mov ecx, edi
push 4
call fcn.00437f00
push str.start_close_all_processes
call fcn.00428250
add esp, 4
lea esi, [edi + 8]
mov dword [ebp - 0x1c6c], esi
push esi
call fcn.004223f0
mov ecx, eax
call fcn.004222f0
push eax
call fcn.004401b0
add esp, 8
mov ecx, edi
push 5
call fcn.00437f00
cmp dword [0x55b0c0], 0
je 0x4393a1
push 0x51c994
mov dword [ebp - 0x1c64], 0
mov dword [ebp - 0x1c60], 0
mov dword [ebp - 0x1c58], 0
mov dword [ebp - 0x1c5c], 0
call dword [sym.imp.KERNEL32.dll_LoadLibraryW]
mov dword [ebp - 0x1c68], eax
test eax, eax
je 0x439397
push str.RtlGetNtVersionNumbers
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x43934b
lea ecx, [ebp - 0x1c58]
push ecx
lea ecx, [ebp - 0x1c60]
push ecx
lea ecx, [ebp - 0x1c64]
push ecx
call eax
movzx eax, word [ebp - 0x1c58]
mov dword [ebp - 0x1c58], eax
mov dword [ebp - 0x1c5c], 1
push dword [ebp - 0x1c68]
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
cmp dword [ebp - 0x1c5c], 0
je 0x439397
mov eax, dword [ebp - 0x1c64]
cmp eax, 6
jne 0x439376
cmp dword [ebp - 0x1c60], 4
je 0x43937b
jmp 0x439397
cmp eax, 0xa
jb 0x439397
mov eax, dword [0x5652c8]
mov ecx, 1
cmp dword [ebp - 0x1c58], 0x55f0
cmovae eax, ecx
mov dword [0x5652c8], eax
mov dword [0x55b0c0], 0
cmp dword [0x5652c8], 0
je 0x4394b8
push str.UninstallerExtInstaller
lea ecx, [ebp - 0x450]
call fcn.004235b0
push dword [esi]
lea ecx, [ebp - 0x438]
mov dword [ebp - 4], 6
call fcn.004235b0
push 0x208
lea eax, [ebp - 0x658]
mov byte [ebp - 4], 7
push 0
push eax
call fcn.004803b0
add esp, 0xc
lea eax, [ebp - 0x438]
cmp dword [ebp - 0x424], 8
cmovae eax, dword [ebp - 0x438]
push dword [0x5652b4]
push eax
lea eax, [ebp - 0x658]
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
call fcn.00421ae0
mov ecx, eax
test ecx, ecx
je 0x43986a
mov eax, dword [ecx]
mov eax, dword [eax + 0xc]
call eax
add eax, 0x10
mov dword [ebp - 0x1c60], eax
cmp dword [ebp - 0x43c], 8
lea eax, [ebp - 0x450]
mov byte [ebp - 4], 8
cmovae eax, dword [ebp - 0x450]
push eax
lea eax, [ebp - 0x1c60]
push str._u___msix_name_s
push eax
call fcn.00408d20
mov esi, dword [ebp - 0x1c60]
lea eax, [ebp - 0x658]
add esp, 0xc
push 0xffffffffffffffff
push 0
push 1
push 0
push 0
push esi
push eax
call fcn.00441930
mov byte [ebp - 4], 7
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x439499
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
lea ecx, [ebp - 0x438]
call fcn.0041b820
lea ecx, [ebp - 0x450]
mov dword [ebp - 4], 0xffffffff
call fcn.0041b820
jmp 0x4394bd
call fcn.004398e0
push str.UnstSvc
call fcn.00444e80
push str.UnstSvc
call fcn.00444ad0
push str.remove_desktop_shortcuts
call fcn.00428250
push 0x800
lea eax, [ebp - 0xc50]
push 0
push eax
call fcn.004803b0
mov esi, dword [sym.imp.SHELL32.dll_SHGetSpecialFolderPathW]
lea eax, [ebp - 0xc50]
add esp, 0x18
push 1
push 0x19
push eax
push 0
call esi
lea eax, [ebp - 0xc50]
mov ecx, edi
push eax
call fcn.00436de0
push 0x800
lea eax, [ebp - 0x1450]
push 0
push eax
call fcn.004803b0
add esp, 0xc
lea eax, [ebp - 0x1450]
push 1
push 0x10
push eax
push 0
call esi
lea eax, [ebp - 0x1450]
mov ecx, edi
push eax
call fcn.00436de0
push 6
mov ecx, edi
call fcn.00437f00
push str.remove_start_menu_shortcuts
call fcn.00428250
push 0x800
lea eax, [ebp - 0xc50]
push 0
push eax
call fcn.004803b0
add esp, 0x10
lea eax, [ebp - 0xc50]
push 1
push 0x17
push eax
push 0
call esi
push 0x800
lea eax, [ebp - 0x1450]
push 0
push eax
call fcn.004803b0
add esp, 0xc
lea ecx, [ebp - 0x1c51]
call fcn.004356d0
push eax
lea eax, [ebp - 0xc50]
push eax
lea eax, [ebp - 0x1450]
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
lea eax, [ebp - 0x1450]
push eax
call fcn.0043c160
push 0x800
lea eax, [ebp - 0x1c50]
push 0
push eax
call fcn.004803b0
add esp, 0x10
lea eax, [ebp - 0xc50]
push 0x51ceac
push eax
lea eax, [ebp - 0x1c50]
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
lea eax, [ebp - 0x1c50]
push eax
call fcn.0043c160
add esp, 4
mov ecx, edi
push 7
call fcn.00437f00
push str.remove_appdata
call fcn.00428250
push 0x800
lea eax, [ebp - 0x1c50]
push 0
push eax
call fcn.004803b0
add esp, 0x10
lea eax, [ebp - 0x1c50]
push 1
push 0x1a
push eax
push 0
call esi
push 0x20a
lea eax, [ebp - 0x65c]
push 0
push eax
call fcn.004803b0
add esp, 0xc
lea eax, [ebp - 0x1c50]
push 0x51ceac
push eax
lea eax, [ebp - 0x65c]
push eax
call dword [sym.imp.SHLWAPI.dll_PathCombineW]
lea eax, [ebp - 0x65c]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
je 0x439686
lea eax, [ebp - 0x65c]
push eax
call fcn.0043c160
add esp, 4
push 8
mov ecx, edi
call fcn.00437f00
push str.remove_autorun
call fcn.00428250
add esp, 4
lea ecx, [ebp - 0x1c51]
call fcn.00443000
push dword [edi + 8]
lea ecx, [ebp - 0x1c51]
mov dword [ebp - 4], 9
call fcn.00443fe0
mov edi, dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
call edi
push eax
push esi
push str.Delete_IsAutoRun:_d__err:_u
call fcn.00428250
mov eax, dword [ebp - 0x1c6c]
lea ecx, [ebp - 0x1c51]
add esp, 0xc
push dword [eax]
call fcn.00443ee0
mov esi, eax
call edi
push eax
push esi
push str.Delete_AutoRun:_d__err:_u
call fcn.00428250
add esp, 0xc
lea eax, [ebp - 0x1c68]
push eax
push 0x20106
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionRun
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExW]
test eax, eax
jne 0x439735
lea ecx, [ebp - 0x1c52]
call fcn.00435510
push eax
push dword [ebp - 0x1c68]
call dword [sym.imp.ADVAPI32.dll_RegDeleteValueW]
lea ecx, [ebp - 0x1c51]
mov dword [ebp - 4], 0xffffffff
call fcn.00443010
mov esi, dword [ebp - 0x1c70]
mov ecx, esi
push 9
call fcn.00437f00
lea ecx, [ebp - 0x1c52]
call fcn.004350b0
cmp byte [esi + 0x98], 0
je 0x439775
lea ecx, [ebp - 0x1c52]
call fcn.004363e0
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHDeleteKeyW]
push str.Delete_uninstall_registry
call fcn.00428250
push dword [esi + 8]
push str.start_delete_all_files_in__s
call fcn.00428250
add esp, 0xc
mov ecx, esi
push dword [esi + 8]
call fcn.00438250
push dword [esi + 8]
push str.end_delete_all_files_in__s
call fcn.00428250
push str..tmp
push dword [esi + 8]
call fcn.0043bdf0
add esp, 0x10
mov ecx, esi
push 0x62
call fcn.00437f00
push str.start_create_runonce_bat
call fcn.00428250
push dword [esi + 8]
lea eax, [esi + 0xc]
push eax
call fcn.004254b0
add esp, 0xc
mov ecx, esi
push 0x63
call fcn.00437f00
mov ecx, esi
call fcn.00438890
push 0x64
mov ecx, esi
call fcn.00437f00
mov dword [ebp - method.mf_bind_t_class_CUninstaller__class_CUninstaller___void_.virtual_0], vtable.mf_bind_t_class_CUninstaller__class_CUninstaller___void_.0
mov dword [ebp - 0x1c78], 0x437ff0
mov dword [ebp - 0x1c74], esi
lea eax, [ebp - 0x1c7c]
mov dword [ebp - 4], 0xa
push eax
call fcn.00421de0
add esp, 4
xor eax, eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.00455dea
mov esp, ebp
pop ebp
ret 8
push 0x80004005
call fcn.00403cd0
push 0x80004005
call fcn.00403cd0
push 0x80004005
call fcn.00403cd0
push 0x80004005
call fcn.00403cd0
int3