Function at 0x422ee0
Capabilities:
Check if file exists
Check os version
Create process on windows
Delete registry key
Get common file path
Get file attributes
Get session user name
Persist via run registry key
Query or enumerate registry value
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x54ba00
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x204
push ebx
push esi
push edi
lea eax, [ebp - 0x28]
mov dword [ebp - 0x10], esp
xor esi, esi
push eax
push 0x28
mov dword [ebp - 4], esi
call dword [sym.imp.KERNEL32.dll_GetCurrentProcess]
push eax
call dword [sym.imp.ADVAPI32.dll_OpenProcessToken]
test eax, eax
je 0x422f50
lea ecx, [ebp - 0x34]
push ecx
push str.SeRestorePrivilege
push esi
call dword [sym.imp.ADVAPI32.dll_LookupPrivilegeValueA]
mov eax, dword [ebp - 0x28]
push esi
push esi
lea edx, [ebp - 0x38]
push esi
push edx
push esi
push eax
mov dword [ebp - 0x38], 1
mov dword [ebp - 0x2c], 2
call dword [sym.imp.ADVAPI32.dll_AdjustTokenPrivileges]
mov ecx, dword [0x5b5ecc]
mov dword [ebp - 0x18], esi
mov dword [ebp - 0x14], ecx
mov ecx, 0x25
xor eax, eax
lea edi, [ebp - 0x210]
lea edx, [ebp - 0x210]
rep stosd dword es:[edi], eax
push edx
mov byte [ebp - 4], 1
mov dword [ebp - 0x210], 0x94
call dword [sym.imp.KERNEL32.dll_GetVersionExA]
test eax, eax
je 0x42311f
cmp dword [ebp - 0x200], 2
jne 0x42311f
push str.shell32
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov ebx, eax
cmp ebx, esi
je 0x42305e
push str.SHGetFolderPathA
push ebx
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov esi, eax
test esi, esi
je 0x42304c
push 0
call dword [sym.imp.ole32.dll_CoInitialize]
lea eax, [ebp - 0x13c]
push eax
push 0
push 0
push 0x1a
push 0
call esi
test eax, eax
jne 0x423046
lea edi, [ebp - 0x13c]
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
add ecx, 0xfffffffe
mov dword [ebp - 0x1c], ecx
mov al, byte [ebp + ecx - 0x13c]
cmp al, 0x5c
mov eax, 0x5ba440
je 0x42300b
mov eax, 0x598f5c
lea ecx, [ebp - 0x13c]
push eax
push ecx
lea edx, [ebp - 0x14]
push str._s_sDMCache
push edx
call fcn.0053091a
mov eax, dword [ebp - 0x14]
add esp, 0x10
push eax
call fcn.0051e372
mov ecx, dword [ebp - 0x14]
add esp, 4
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x423046
mov dword [ebp - 0x18], 1
call dword [sym.imp.ole32.dll_CoUninitialize]
push ebx
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
mov eax, dword [ebp - 0x18]
test eax, eax
jne 0x42321b
lea edx, [ebp - 0x24]
push edx
push 1
push 0
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders
push 0x80000001
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x42311f
mov edx, dword [ebp - 0x24]
lea eax, [ebp - 0x1c]
lea ecx, [ebp - 0x13c]
push eax
push ecx
push 0
push 0
push str.AppData
push edx
mov dword [ebp - 0x1c], 0x104
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x42310a
lea edi, [ebp - 0x13c]
or ecx, 0xffffffff
repne scasb al, byte es:[edi]
not ecx
add ecx, 0xfffffffe
mov dword [ebp - 0x1c], ecx
mov al, byte [ebp + ecx - 0x13c]
cmp al, 0x5c
mov eax, 0x5ba440
je 0x4230cf
mov eax, 0x598f5c
push eax
lea eax, [ebp - 0x13c]
push eax
lea ecx, [ebp - 0x14]
push str._s_sDMCache
push ecx
call fcn.0053091a
mov edx, dword [ebp - 0x14]
add esp, 0x10
push edx
call fcn.0051e372
mov eax, dword [ebp - 0x14]
add esp, 4
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x42310a
mov dword [ebp - 0x18], 1
mov ecx, dword [ebp - 0x24]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegCloseKey]
mov eax, dword [ebp - 0x18]
test eax, eax
jne 0x42321b
lea edx, [ebp - 0x13c]
push 0x104
push edx
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
test eax, eax
je 0x42333b
lea edi, [ebp - 0x13c]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
add ecx, 0xfffffffe
mov dword [ebp - 0x1c], ecx
mov al, byte [ebp + ecx - 0x13c]
cmp al, 0x5c
mov eax, 0x5ba440
je 0x423163
mov eax, 0x598f5c
push eax
lea eax, [ebp - 0x13c]
push eax
lea ecx, [ebp - 0x14]
push str._s_sDMCache
push ecx
call fcn.0053091a
mov edx, dword [ebp - 0x14]
add esp, 0x10
push edx
call fcn.0051e372
mov eax, dword [ebp - 0x200]
add esp, 4
cmp eax, 2
jne 0x423208
lea eax, [ebp - 0x18]
lea ecx, [ebp - 0x17c]
push eax
push ecx
mov dword [ebp - 0x18], 0x40
call dword [sym.imp.ADVAPI32.dll_GetUserNameA]
test eax, eax
jne 0x4231c3
lea edx, [ebp - 0x17c]
push str.default_user
push edx
call fcn.0051d0e8
add esp, 8
mov eax, dword [ebp - 0x1c]
mov cl, byte [ebp + eax - 0x13c]
mov eax, 0x5ba440
cmp cl, 0x5c
je 0x4231dc
mov eax, 0x598f5c
lea ecx, [ebp - 0x17c]
lea edx, [ebp - 0x13c]
push ecx
push eax
push edx
lea eax, [ebp - 0x14]
push str._s_sDMCache_s
push eax
call fcn.0053091a
mov ecx, dword [ebp - 0x14]
add esp, 0x14
push ecx
call fcn.0051e372
add esp, 4
mov edx, dword [ebp - 0x14]
push edx
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x42333b
mov eax, dword [0x5b5ecc]
mov dword [ebp - 0x20], eax
mov ecx, dword [ebp - 0x14]
lea edx, [ebp - 0x20]
push ecx
push str._s_settings.bak
push edx
mov byte [ebp - 4], 2
call fcn.0053091a
mov eax, dword [ebp - 0x20]
add esp, 0xc
push eax
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x42332f
cmp dword [ebp - 0x200], 2
jne 0x42326d
mov ecx, dword [ebp - 0x20]
mov edx, dword [0x5ba8bc]
push 0
push ecx
push edx
call dword [sym.imp.ADVAPI32.dll_RegRestoreKeyA]
jmp 0x4232d2
mov eax, dword [ebp - 0x20]
push eax
push str.idmtmp
push 0x80000003
call dword [sym.imp.ADVAPI32.dll_RegLoadKeyA]
test eax, eax
jne 0x4232c2
push str.shlwapi.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
mov esi, eax
test esi, esi
je 0x4232c2
push str.SHCopyKeyA
push esi
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
test eax, eax
je 0x4232bb
mov ecx, dword [0x5ba8bc]
push 0
push ecx
push str.idmtmp
push 0x80000003
call eax
push esi
call dword [sym.imp.KERNEL32.dll_FreeLibrary]
push str.idmtmp
push 0x80000003
call dword [sym.imp.ADVAPI32.dll_RegDeleteKeyA]
push str.C:Program_FilesSpyhunter
call dword [sym.imp.KERNEL32.dll_GetFileAttributesA]
cmp eax, 0xffffffff
je 0x423318
push 0x10004
push str.Intenet_Download_Manager
push str.Internet_Download_Manager_detected_that_its_registry_keys_had_been_damaged_since_the_last_run._Its_possible_that_you_run_a_flaky_spyware_remover_program_like_Spyhunter_which_corrupted_system_registry._Internet_Download_Manager_will_try_to_restore_all_damaged_data__but_some_data_may_remain_corrupted._r_nWould_you_like_to_see_additional_information_about_this_problem_
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
cmp eax, 6
jne 0x42332f
push 1
push 0
push 0
push str.http:__www.internetdownloadmanager.com_support_damaged_keys.html
push str.open
push 0
call dword [sym.imp.SHELL32.dll_ShellExecuteA]
jmp 0x42332f
push 0x10000
push str.Intenet_Download_Manager
push str.Internet_Download_Manager_detected_that_its_registry_keys_had_been_damaged_since_the_last_run._Its_possible_that_you_run_a_flaky_spyware_remover_program_which_corrupted_system_registry._Internet_Download_Manager_will_try_to_restore_all_damaged_data__but_some_data_may_remain_corrupted.
push 0
call dword [sym.imp.USER32.dll_MessageBoxA]
lea ecx, [ebp - 0x20]
mov byte [ebp - 4], 1
call fcn.00537b04
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 0
call fcn.00537b04
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret