Function at 0x4509e0
Capabilities:
Delete registry key
Delete registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4ae620
mov eax, dword fs:[0]
push eax
sub esp, 0x28
push ebx
push esi
push edi
mov eax, dword [0x4dd070]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov esi, ecx
mov dword [ebp - 0x2c], esi
push str.MasterPDF
lea ecx, [ebp - 0x18]
mov dword [ebp - 4], 0
call fcn.00404ff0
push str._2d3d
lea edx, [ebp - 0x18]
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x24]
call fcn.00426070
add esp, 4
lea eax, [ebp - 0x24]
mov byte [ebp - 4], 2
push eax
mov edx, str.SoftwareClasses_
lea ecx, [ebp - 0x30]
call fcn.00451220
add esp, 4
lea eax, [ebp + 8]
mov byte [ebp - 4], 3
push eax
mov edx, str.SoftwareClasses_
lea ecx, [ebp - 0x20]
call fcn.00451220
add esp, 4
lea eax, [ebp + 8]
mov byte [ebp - 4], 4
push eax
mov edx, str.ExplorerFileExts_
lea ecx, [ebp - 0x10]
call fcn.00451220
add esp, 4
mov byte [ebp - 4], 5
mov ecx, esi
mov edx, dword [ebp - 0x20]
push 0
call fcn.00450440
add esp, 4
lea ecx, [ebp - 0x1c]
push eax
call fcn.00404ff0
mov byte [ebp - 4], 6
or ebx, 0xffffffff
mov eax, dword [ebp - 0x1c]
cmp dword [eax - 0xc], 0
je 0x450cff
mov eax, dword [ebp - 0x24]
test eax, eax
jne 0x450ac1
push 0x80004005
call fcn.00403d30
push eax
push dword [ebp - 0x1c]
call fcn.00491fd5
add esp, 8
test eax, eax
jne 0x450cff
mov edi, dword [sym.imp.SHLWAPI.dll_SHDeleteValueW]
push eax
push dword [ebp - 0x20]
push esi
call edi
mov edx, dword [ebp - 0x10]
mov ecx, SysReAllocString
push str.ProgId
call fcn.00450440
add esp, 4
lea ecx, [ebp - 0x14]
push eax
call fcn.00404ff0
mov byte [ebp - 4], 7
push str.MasterPDF
push dword [ebp - 0x14]
call fcn.00491fd5
add esp, 8
test eax, eax
jne 0x450b27
push str.ProgId
push dword [ebp - 0x10]
push SysReAllocString
call edi
call fcn.00403fd0
mov ecx, eax
test ecx, ecx
jne 0x450b3c
push 0x80004005
call fcn.00403d30
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x28], eax
push str..exe
mov byte [ebp - 4], 8
lea eax, [ebp - 0x28]
push dword [ebp - 0x18]
push str._s_s
push eax
call fcn.00402dd0
mov edx, dword [ebp - 0x10]
mov ecx, SysReAllocString
push str.Application
call fcn.00450440
mov edx, eax
add esp, 0x14
test edx, edx
jne 0x450b80
xor ecx, ecx
jmp 0x450b94
mov ecx, edx
lea esi, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x450b85
sub ecx, esi
sar ecx, 1
push ecx
push edx
lea ecx, [ebp - 0x14]
call fcn.00404ef0
mov esi, dword [ebp - 0x28]
test esi, esi
jne 0x450baf
push 0x80004005
call fcn.00403d30
push esi
push dword [ebp - 0x14]
call fcn.00491fd5
add esp, 8
test eax, eax
jne 0x450bce
push str.Application
push dword [ebp - 0x10]
push SysReAllocString
call edi
mov edi, dword [ebp - 0x30]
mov edx, edi
mov ecx, dword [ebp - 0x2c]
call fcn.00450540
push edi
push dword [ebp - 0x2c]
call dword [sym.imp.SHLWAPI.dll_SHDeleteKeyW]
push str.UserChoice
lea edx, [ebp - 0x10]
lea ecx, [ebp - 0x2c]
call fcn.00426070
add esp, 4
mov byte [ebp - 4], 9
mov ecx, SysReAllocString
mov edx, dword [eax]
push str.ProgId
call fcn.00450440
mov edx, eax
add esp, 4
test edx, edx
jne 0x450c1a
xor ecx, ecx
jmp 0x450c2f
mov ecx, edx
lea edi, [ecx + 2]
nop
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x450c20
sub ecx, edi
sar ecx, 1
push ecx
push edx
lea ecx, [ebp - 0x14]
call fcn.00404ef0
mov byte [ebp - 4], 8
mov eax, ebx
mov edx, dword [ebp - 0x2c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450c57
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov eax, dword [ebp - 0x18]
test eax, eax
jne 0x450c68
push 0x80004005
call fcn.00403d30
push eax
push dword [ebp - 0x14]
call fcn.00491fd5
add esp, 8
test eax, eax
jne 0x450cbf
push str.UserChoice
lea edx, [ebp - 0x10]
lea ecx, [ebp - 0x2c]
call fcn.00426070
add esp, 4
mov ecx, SysReAllocString
mov edi, dword [eax]
mov edx, edi
call fcn.00450540
push edi
push SysReAllocString
call dword [sym.imp.SHLWAPI.dll_SHDeleteKeyW]
mov edx, dword [ebp - 0x2c]
mov eax, ebx
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450cbf
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov edi, 1
mov byte [ebp - 4], 7
add esi, 0xfffffff0
mov eax, ebx
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x450cdf
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 6
mov eax, ebx
mov edx, dword [ebp - 0x14]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450d01
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
jmp 0x450d01
xor edi, edi
mov byte [ebp - 4], 5
mov eax, ebx
mov edx, dword [ebp - 0x1c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450d1f
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 4
mov eax, ebx
mov edx, dword [ebp - 0x10]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450d3d
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 3
mov eax, ebx
mov edx, dword [ebp - 0x20]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450d5b
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 2
mov eax, ebx
mov edx, dword [ebp - 0x30]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450d79
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 1
mov eax, ebx
mov edx, dword [ebp - 0x24]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450d97
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0
mov eax, ebx
mov edx, dword [ebp - 0x18]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x450db5
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov dword [ebp - 4], 0xffffffff
mov eax, dword [ebp + 8]
add eax, 0xfffffff0
lock xadd dword [eax + 0xc], ebx
dec ebx
test ebx, ebx
jg 0x450dd4
mov ecx, dword [eax]
push eax
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 esp, ebp
pop ebp
ret