Function at 0x4540f0
Capabilities:
Check if file exists
Persist via default file association registry key
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x4c20d8
mov eax, dword fs:[0]
push eax
sub esp, 0x3c
push ebx
push esi
push edi
mov eax, dword [0x4f5108]
xor eax, ebp
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov ebx, ecx
mov dword [ebp - 0x10], ebx
mov dword [ebp - 4], 0
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x454139
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x18], eax
mov byte [ebp - 4], 1
or edi, 0xffffffff
mov eax, dword [ebp + 8]
cmp dword [eax - 0xc], 0
je 0x454162
lea eax, [ebp + 8]
push eax
lea ecx, [ebp - 0x18]
call fcn.00401fe0
jmp 0x4541a5
lea eax, [ebp - 0x44]
push eax
call fcn.00453300
push str.MasterPDF
mov byte [ebp - 4], 2
push dword [eax]
lea eax, [ebp - 0x18]
push str._s_s.exe
push eax
call fcn.004139f0
mov byte [ebp - 4], 1
add esp, 0x14
mov edx, dword [ebp - 0x44]
mov eax, edi
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4541a5
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov esi, dword [ebp - 0x18]
push esi
call dword [sym.imp.SHLWAPI.dll_PathFileExistsW]
test eax, eax
jne 0x4541ba
xor ebx, ebx
jmp 0x454796
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x4541cf
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x20], eax
push esi
lea eax, [ebp - 0x20]
mov byte [ebp - 4], 3
push str._s_1
push eax
call fcn.004139f0
add esp, 0xc
lea ecx, [ebp - 0x14]
push str.MasterPDF
call fcn.00404260
mov byte [ebp - 4], 4
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x454216
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x1c], eax
mov byte [ebp - 4], 5
mov eax, dword [ebp - 0x14]
push eax
push eax
lea eax, [ebp - 0x1c]
push str.SoftwareClients_s_s.exe
push eax
call fcn.004139f0
mov eax, dword [ebp - 0x14]
add esp, 0x10
mov edx, eax
lea edi, [edx + 2]
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x454243
sub edx, edi
mov edi, dword [ebp - 0x1c]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push 0
push edi
push ebx
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
push 0x4dbeb0
lea ecx, [ebp - 0x38]
call fcn.00404260
mov byte [ebp - 4], 6
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x45428c
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x34], eax
push edi
lea eax, [ebp - 0x34]
mov byte [ebp - 4], 7
push str._sCapabilities
push eax
call fcn.004139f0
mov eax, dword [ebp - 0x38]
add esp, 0xc
mov edx, eax
lea ebx, [edx + 2]
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x4542b5
sub edx, ebx
mov ebx, dword [ebp - 0x34]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push str.ApplicationDescription
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
mov eax, dword [ebp - 0x20]
mov edx, eax
lea ecx, [edx + 2]
mov dword [ebp - 0x44], ecx
nop dword [eax + eax]
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x4542f0
sub edx, dword [ebp - 0x44]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push str.ApplicationIcon
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
mov eax, dword [ebp - 0x38]
mov edx, eax
lea ecx, [edx + 2]
mov dword [ebp - 0x44], ecx
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x454321
sub edx, dword [ebp - 0x44]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push str.ApplicationName
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
mov ecx, ebx
lea edx, [ecx + 2]
nop dword [eax]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x454350
sub ecx, edx
sar ecx, 1
lea eax, [ecx + ecx]
push eax
push ebx
push 1
push dword [ebp - 0x14]
push str.SOFTWARERegisteredApplications
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x45438c
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x30], eax
push ebx
lea eax, [ebp - 0x30]
mov byte [ebp - 4], 8
push str._sFileAssociations
push eax
call fcn.004139f0
mov eax, dword [ebp - 0x14]
add esp, 0xc
mov edx, eax
lea ebx, [edx + 2]
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x4543b5
sub edx, ebx
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push str..pdf
push dword [ebp - 0x30]
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x4543f1
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x3c], eax
push edi
lea eax, [ebp - 0x3c]
mov byte [ebp - 4], 9
push str._sInstallInfo
push eax
call fcn.004139f0
add esp, 0xc
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x454427
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x2c], eax
push esi
lea eax, [ebp - 0x2c]
mov byte [ebp - 4], 0xa
push str.__s___HideShortcuts
push eax
call fcn.004139f0
mov eax, dword [ebp - 0x2c]
add esp, 0xc
mov edx, eax
lea ebx, [edx + 2]
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x454450
sub edx, ebx
mov ebx, dword [ebp - 0x3c]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push str.HideIconsCommand
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
push 4
lea eax, [ebp - 0x48]
mov dword [ebp - 0x48], 1
push eax
push 4
push str.IconsVisible
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x4544ab
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x28], eax
push esi
lea eax, [ebp - 0x28]
mov byte [ebp - 4], 0xb
push str.__s___SetAsDefaultAppGlobal
push eax
call fcn.004139f0
mov eax, dword [ebp - 0x28]
add esp, 0xc
mov edx, eax
lea ecx, [edx + 2]
mov dword [ebp - 0x44], ecx
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x4544d7
sub edx, dword [ebp - 0x44]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push str.ReinstallCommand
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x454512
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x24], eax
push esi
lea eax, [ebp - 0x24]
mov byte [ebp - 4], 0xc
push str.__s___ShowShortcuts
push eax
call fcn.004139f0
mov eax, dword [ebp - 0x24]
add esp, 0xc
mov edx, eax
lea ecx, [edx + 2]
mov dword [ebp - 0x44], ecx
nop
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x454540
sub edx, dword [ebp - 0x44]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push str.ShowIconsCommand
push ebx
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x45457b
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x40], eax
push edi
lea eax, [ebp - 0x40]
mov byte [ebp - 4], 0xd
push str._sDefaultIcon
push eax
call fcn.004139f0
mov eax, dword [ebp - 0x20]
add esp, 0xc
mov edx, eax
lea edi, [edx + 2]
mov cx, word [edx]
add edx, 2
test cx, cx
jne 0x4545a4
sub edx, edi
mov edi, dword [ebp - 0x40]
sar edx, 1
lea ecx, [edx + edx]
push ecx
push eax
push 1
push 0
push edi
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
call fcn.004047a0
mov ecx, eax
test ecx, ecx
jne 0x4545de
push 0x80004005
call fcn.00404500
mov eax, dword [ecx]
call dword [eax + 0xc]
add eax, 0x10
mov dword [ebp - 0x44], eax
mov byte [ebp - 4], 0xe
lea eax, [ebp - 0x44]
push dword [ebp - 0x1c]
push str._s_shellopencommand
push eax
call fcn.004139f0
mov ecx, esi
add esp, 0xc
lea edx, [ecx + 2]
mov ax, word [ecx]
add ecx, 2
test ax, ax
jne 0x454606
sub ecx, edx
sar ecx, 1
lea eax, [ecx + ecx]
push eax
push esi
mov esi, dword [ebp - 0x44]
push 1
push 0
push esi
push dword [ebp - 0x10]
call dword [sym.imp.SHLWAPI.dll_SHSetValueW]
mov byte [ebp - 4], 0xd
add esi, 0xfffffff0
or eax, 0xffffffff
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x454647
mov ecx, dword [esi]
push esi
mov eax, dword [ecx]
call dword [eax + 4]
lea edx, [edi - 0x10]
mov byte [ebp - 4], 0xc
or edi, 0xffffffff
mov eax, edi
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x454665
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0xb
mov eax, edi
mov edx, dword [ebp - 0x24]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x454683
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 0xa
mov eax, edi
mov edx, dword [ebp - 0x28]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4546a1
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 9
mov eax, edi
mov edx, dword [ebp - 0x2c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4546bf
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 8
add ebx, 0xfffffff0
mov eax, edi
lock xadd dword [ebx + 0xc], eax
dec eax
test eax, eax
jg 0x4546da
mov ecx, dword [ebx]
push ebx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 7
mov eax, edi
mov edx, dword [ebp - 0x30]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x4546f8
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 6
mov eax, edi
mov edx, dword [ebp - 0x34]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x454716
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 5
mov eax, edi
mov edx, dword [ebp - 0x38]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x454734
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 4
mov eax, edi
mov edx, dword [ebp - 0x1c]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x454752
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 3
mov eax, edi
mov edx, dword [ebp - 0x14]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x454770
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov byte [ebp - 4], 1
mov eax, edi
mov edx, dword [ebp - 0x20]
add edx, 0xfffffff0
lock xadd dword [edx + 0xc], eax
dec eax
test eax, eax
jg 0x45478e
mov ecx, dword [edx]
push edx
mov eax, dword [ecx]
call dword [eax + 4]
mov esi, dword [ebp - 0x18]
mov ebx, 1
mov byte [ebp - 4], 0
add esi, 0xfffffff0
mov eax, edi
lock xadd dword [esi + 0xc], eax
dec eax
test eax, eax
jg 0x4547b1
mov ecx, dword [esi]
push esi
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], edi
dec edi
test edi, edi
jg 0x4547d0
mov ecx, dword [eax]
push eax
mov edx, dword [ecx]
call dword [edx + 4]
mov eax, ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret