Function at 0x42cf1e
Capabilities:
Get common file path
Get file size
Persist via run registry key
Query or enumerate registry value
Read file on windows
Read file via mapping

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x28c
mov al, byte [0x44dbd0]
push ebx
push esi
push edi
mov dword [ebp - 0x14], ecx
push 0x40
mov byte [ebp - 0x188], al
pop ecx
xor eax, eax
lea edi, [ebp - 0x187]
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
stosb byte es:[edi], al
push 0x18
xor ebx, ebx
pop ecx
xor eax, eax
lea edi, [ebp - 0x83]
mov byte [ebp - 0x84], bl
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
or dword [ebp - 0x10], 0xffffffff
mov dword [ebp - 4], ebx
stosb byte es:[edi], al
lea eax, [ebp - 0xc]
mov dword [ebp - 8], ebx
push eax
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerShell_Folders
push SysReAllocStringLen
mov dword [ebp - 0xc], ebx
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyA]
test eax, eax
mov esi, 0x104
jne 0x42cfac
lea eax, [ebp - 0x18]
mov dword [ebp - 0x18], esi
push eax
lea eax, [ebp - 0x28c]
push eax
push ebx
push ebx
push str.AppData
push dword [ebp - 0xc]
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
je 0x42cfba
lea eax, [ebp - 0x28c]
push esi
push eax
call dword [sym.imp.KERNEL32.dll_GetWindowsDirectoryA]
lea eax, [ebp - 0x28c]
push str.Mozilla_registry.dat
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatA]
push ebx
push 0x80
push 3
push ebx
push 1
lea eax, [ebp - 0x28c]
push SysReAllocStringLen
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp dword [ebp - 0x10], esi
je 0x42cffb
lea ecx, [ebp - 0x10]
call fcn.00404c60
mov dword [ebp - 0x10], esi
push ebx
push ebx
push ebx
push 2
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.KERNEL32.dll_CreateFileMappingA]
mov esi, eax
cmp dword [ebp - 4], esi
je 0x42d01c
lea ecx, [ebp - 4]
call fcn.0040a91e
mov dword [ebp - 4], esi
push ebx
push ebx
push ebx
push 4
push dword [ebp - 4]
call dword [sym.imp.KERNEL32.dll_MapViewOfFile]
mov esi, eax
cmp dword [ebp - 8], esi
je 0x42d03c
lea ecx, [ebp - 8]
call fcn.0042e304
mov dword [ebp - 8], esi
mov esi, dword [ebp - 8]
push ebx
push dword [ebp - 0x10]
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov edi, eax
push str.CurrentProfile
add edi, esi
push edi
push esi
call fcn.0042c3f2
mov esi, dword [sym.imp.KERNEL32.dll_lstrcpyA]
add esp, 0xc
cmp eax, ebx
mov dword [ebp - 0x20], eax
je 0x42d0b9
add eax, 0xf
push eax
lea eax, [ebp - 0x84]
push eax
call esi
lea eax, [ebp - 0x84]
push eax
push edi
push dword [ebp - 0x20]
call fcn.0042c3f2
add esp, 0xc
cmp eax, ebx
je 0x42d0b9
lea ecx, [ebp - 0x84]
inc eax
push ecx
push edi
push eax
call fcn.0042c3f2
add esp, 0xc
cmp eax, ebx
je 0x42d0b9
push str.directory
push edi
push eax
call fcn.0042c3f2
add esp, 0xc
cmp eax, ebx
jne 0x42d101
push str.directory
push edi
push dword [ebp - 0x1c]
call fcn.0042c3f2
add esp, 0xc
cmp eax, ebx
jne 0x42d101
lea ecx, [ebp - 0xc]
call fcn.004282b0
lea ecx, [ebp - 8]
call fcn.0042e304
cmp dword [ebp - 4], ebx
je 0x42d0f4
mov eax, dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp eax, ebx
je 0x42d0f4
push dword [ebp - 4]
call eax
mov dword [ebp - 4], ebx
lea ecx, [ebp - 0x10]
call fcn.00404c60
jmp 0x42d205
add eax, 0xa
push eax
lea eax, [ebp - 0x188]
push eax
call esi
lea eax, [ebp - 0x188]
push str.prefs.js
push eax
call dword [sym.imp.KERNEL32.dll_lstrcatA]
push ebx
push 0x80
push 3
push ebx
push 1
lea eax, [ebp - 0x188]
push SysReAllocStringLen
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov edi, eax
cmp edi, 0xffffffff
jne 0x42d17b
cmp dword [ebp - 0xc], ebx
je 0x42d15a
mov eax, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp eax, ebx
je 0x42d15a
push dword [ebp - 0xc]
call eax
mov dword [ebp - 0xc], ebx
cmp dword [ebp - 8], ebx
je 0x42d170
mov eax, dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp eax, ebx
je 0x42d170
push dword [ebp - 8]
call eax
mov dword [ebp - 8], ebx
cmp dword [ebp - 4], ebx
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
jmp 0x42d1e8
push ebx
push edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
push esi
call fcn.004311d7
pop ecx
mov ecx, dword [ebp - 0x14]
push ebx
mov dword [ecx + 0x10], eax
lea ecx, [ebp - 0x18]
push ecx
push esi
push eax
push edi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x42d1ac
mov ecx, dword [ebp - 0x14]
call fcn.0042d20a
mov esi, dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
je 0x42d1b9
push edi
call esi
cmp dword [ebp - 0xc], ebx
je 0x42d1cf
mov eax, dword [sym.imp.ADVAPI32.dll_RegCloseKey]
cmp eax, ebx
je 0x42d1cf
push dword [ebp - 0xc]
call eax
mov dword [ebp - 0xc], ebx
cmp dword [ebp - 8], ebx
je 0x42d1e5
mov eax, dword [sym.imp.KERNEL32.dll_UnmapViewOfFile]
cmp eax, ebx
je 0x42d1e5
push dword [ebp - 8]
call eax
mov dword [ebp - 8], ebx
cmp dword [ebp - 4], ebx
je 0x42d1f6
cmp esi, ebx
je 0x42d1f6
push dword [ebp - 4]
call esi
mov dword [ebp - 4], ebx
cmp dword [ebp - 0x10], 0xffffffff
je 0x42d205
cmp esi, ebx
je 0x42d205
push dword [ebp - 0x10]
call esi
pop edi
pop esi
pop ebx
leave
ret