Function at 0x42bfa0
Capabilities:
Check if file exists
Timestomp file

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5bde7b
mov eax, dword fs:[0]
push eax
sub esp, 0x230
mov eax, dword [0x633ef8]
xor eax, ebp
mov dword [ebp - 0x10], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, ecx
push dword [ebx + 0x978]
mov eax, dword [ebp + 8]
lea esi, [ebx + 0x24]
mov edi, dword [ebp + 0xc]
push esi
mov dword [ebp - 0x238], eax
mov eax, dword [ebp + 0x18]
push edi
mov dword [ebp - 0x23c], eax
lea eax, [ebp - 0x114]
push str._s_s_s.xpi
push eax
call fcn.0042d480
push esi
push edi
lea eax, [ebp - 0x218]
push str._s_s
push eax
call fcn.0042d480
add esp, 0x24
mov dword [ebp - 0x21c], 0
lea ecx, [ebp - 0x21c]
push str.SoftwareMozillaFireFoxextensions
call fcn.004160f0
mov dword [ebp - 4], 0
mov esi, 1
mov eax, dword [ebx + 0x97c]
mov ecx, esi
sub ecx, dword [eax - 4]
mov eax, dword [eax - 8]
sub eax, 0x104
or eax, ecx
jge 0x42c064
push 0x104
lea ecx, [ebx + 0x97c]
call fcn.004165b0
mov eax, dword [ebp - 0x21c]
mov edi, dword [ebx + 0x97c]
mov ecx, dword [eax - 8]
sub esi, dword [eax - 4]
sub ecx, 0x104
or ecx, esi
jge 0x42c096
push 0x104
lea ecx, [ebp - 0x21c]
call fcn.004165b0
mov eax, dword [ebp - 0x21c]
lea ecx, [ebp - 0x114]
push ecx
push edi
push eax
push reloc.OLEAUT32.dll_SysReAllocString
call fcn.0042c220
mov eax, dword [ebx + 0x978]
test eax, eax
jne 0x42c0b7
xor ecx, ecx
jmp 0x42c0cd
push dword [eax - 8]
push eax
call fcn.0059ea3d
mov ecx, eax
add esp, 8
test ecx, ecx
js 0x42c213
mov eax, dword [ebx + 0x978]
cmp ecx, dword [eax - 8]
jg 0x42c213
mov dword [eax - 0xc], ecx
mov eax, dword [ebx + 0x978]
mov byte [ecx + eax], 0
mov eax, dword [ebp - 0x21c]
push dword [eax - 8]
push eax
call fcn.0059ea3d
add esp, 8
test eax, eax
js 0x42c213
mov ecx, dword [ebp - 0x21c]
cmp eax, dword [ecx - 8]
jg 0x42c213
mov dword [ecx - 0xc], eax
mov ecx, dword [ebp - 0x21c]
mov byte [eax + ecx], 0
lea eax, [ebp - 0x114]
push eax
call dword [sym.imp.SHLWAPI.dll_PathFileExistsA]
test eax, eax
je 0x42c137
xor edi, edi
jmp 0x42c1ce
push 0
lea eax, [ebp - 0x114]
push eax
push dword [ebp - 0x238]
call dword [0x641010]
call fcn.0042b640
push dword [ebp - 0x23c]
lea eax, [ebp - 0x114]
mov ecx, ebx
push eax
sub esp, 8
call fcn.0042c380
test eax, eax
je 0x42c1c9
push 0
push 0
push 3
push 0
push 0
push 0x40000000
lea eax, [ebp - 0x114]
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
je 0x42c1c9
lea eax, [ebp - 0x234]
push eax
call dword [sym.imp.KERNEL32.dll_GetSystemTime]
lea eax, [ebp - 0x224]
push eax
lea eax, [ebp - 0x234]
push eax
call dword [sym.imp.KERNEL32.dll_SystemTimeToFileTime]
lea eax, [ebp - 0x224]
push eax
push 0
push 0
push esi
call dword [sym.imp.KERNEL32.dll_SetFileTime]
push esi
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, 1
mov dword [ebp - 4], 0xffffffff
or eax, 0xffffffff
mov esi, dword [ebp - 0x21c]
add esi, 0xfffffff0
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x42c1f3
mov ecx, dword [esi]
push esi
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.005892bc
mov esp, ebp
pop ebp
ret 0x18
push 0x80070057
call fcn.00416970
int3