Function at 0x538ea0
Capabilities:
Get file size
Query or enumerate registry value
Read file on windows
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5ae3f0
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, 0x1a84
call fcn.0056c9b0
push ebx
mov ebx, ecx
push esi
push edi
mov eax, dword [ebx + 0xc]
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x30], ebx
mov dword [ebp - 4], 0
mov eax, dword [eax + 0xe0]
test eax, eax
je 0x5395c4
mov edx, dword [eax]
test edx, edx
je 0x5395c4
cmp dword [eax + 4], 0x800
jl 0x5395c4
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0xa8c]
lea esi, [ebp - 0xa8c]
rep stosd dword es:[edi], eax
mov edi, edx
mov ecx, 0x200
xor edx, edx
repe cmpsd dword [esi], dword es:[edi]
je 0x5395c4
mov edi, dword [ebx + 0x68]
test edi, edi
mov dword [ebp - 0x2c], edi
je 0x538f33
mov edi, dword [edi + 0x30]
mov dword [ebp - 0x2c], edi
mov dword [ebp - 0x4c], edi
mov byte [ebp - 0x11], 0
test edi, edi
je 0x53929f
mov eax, dword [edi + 0x10]
push 0
push 0
push 3
push 0
push 3
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
mov dword [ebp - 0x18], esi
je 0x539294
lea ecx, [ebp - 0x34]
mov dword [ebp - 0x34], 0
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x538f8e
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x539284
mov edx, dword [ebp - 0x30]
lea ecx, [ebp - 0x1c]
push 0
push ecx
mov eax, dword [edx + 0xc]
push 0
push esi
mov dword [ebp - 0x1c], 0
mov ebx, dword [eax + 0xe0]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x539046
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0xa8c]
lea edx, [ebp - 0x28]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
push 0
push edx
lea eax, [ebp - 0xa8c]
push 0x800
push eax
push esi
mov dword [ebp - 0x28], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x539046
mov ecx, dword [ebp - 0x28]
test ecx, ecx
je 0x539046
mov esi, dword [ebx]
test esi, esi
je 0x539046
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x53900a
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0xa8c]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x539046
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x539024
cmp eax, 0x40
jge 0x53902b
cmp eax, 0x200
jl 0x539031
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x539042
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x28]
cmp eax, 0x104
jbe 0x539046
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x2c]
lea edx, [ebp - 0x54]
mov dword [ebp - 0x38], 0x10
mov ecx, dword [eax + 0x38]
push ecx
push 0x638fec
push edx
call fcn.0056d05a
add esp, 0xc
lea eax, [ebp - 0x38]
lea ecx, [ebp - 0x48]
lea edx, [ebp - 0x54]
push eax
mov eax, dword [ebp - 0x30]
push ecx
push 0
mov ecx, dword [eax + 0xbc]
push 0
push edx
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x539284
mov eax, dword [ebp - 0x2c]
mov ecx, dword [ebp - 0x3c]
mov edx, dword [eax + 8]
mov esi, dword [eax + 0xc]
mov eax, dword [ebp - 0x40]
cmp eax, edx
jne 0x5390a8
cmp ecx, esi
je 0x53917f
cmp ecx, esi
jg 0x5390bc
jl 0x5390b2
cmp eax, edx
jae 0x5390bc
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x5390c0
sub eax, edx
sbb ecx, esi
mov edx, dword [ebp - 0x30]
mov dword [ebp - 0x1c], ecx
lea ecx, [ebp - 0x1c]
push 0
mov edx, dword [edx + 0xc]
push ecx
push eax
mov ebx, dword [edx + 0xe0]
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x539179
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1a94]
mov edx, dword [ebp - 0x18]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x24]
push 0
push eax
lea ecx, [ebp - 0x1a94]
push 0x800
push ecx
push edx
mov dword [ebp - 0x24], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x539179
mov ecx, dword [ebp - 0x24]
test ecx, ecx
je 0x539179
mov esi, dword [ebx]
test esi, esi
je 0x539179
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x53913d
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1a94]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x539179
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x539157
cmp eax, 0x40
jge 0x53915e
cmp eax, 0x200
jl 0x539164
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x539175
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x24]
cmp eax, 0x104
jbe 0x539179
mov byte [ebp - 0x11], 1
mov ecx, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x40]
mov edx, dword [ebp - 0x2c]
mov esi, dword [edx]
test esi, esi
je 0x539284
mov edx, dword [esi + 0x20]
mov esi, dword [esi + 0x24]
cmp eax, edx
jne 0x53919e
cmp ecx, esi
je 0x539284
mov edi, dword [ebp - 0x2c]
mov ebx, dword [edi + 8]
cmp ebx, edx
jne 0x5391b3
mov edi, dword [edi + 0xc]
cmp edi, esi
je 0x539284
cmp ecx, esi
jg 0x5391c7
jl 0x5391bd
cmp eax, edx
jae 0x5391c7
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x5391cb
sub eax, edx
sbb ecx, esi
mov edx, dword [ebp - 0x30]
mov dword [ebp - 0x1c], ecx
lea ecx, [ebp - 0x1c]
push 0
mov edx, dword [edx + 0xc]
push ecx
push eax
mov ebx, dword [edx + 0xe0]
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x539284
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1290]
mov edx, dword [ebp - 0x18]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x20]
push 0
push eax
lea ecx, [ebp - 0x1290]
push 0x800
push ecx
push edx
mov dword [ebp - 0x20], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x539284
mov ecx, dword [ebp - 0x20]
test ecx, ecx
je 0x539284
mov esi, dword [ebx]
test esi, esi
je 0x539284
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x539248
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1290]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x539284
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x539262
cmp eax, 0x40
jge 0x539269
cmp eax, 0x200
jl 0x53926f
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x539280
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x20]
cmp eax, 0x104
jbe 0x539284
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [ebp - 0x2c]
mov ebx, dword [ebp - 0x30]
mov edi, dword [edi + 0x30]
mov dword [ebp - 0x2c], edi
jmp 0x538f3a
mov eax, dword [ebx + 0xac]
test eax, eax
je 0x5394b1
mov eax, dword [ebx + 0x1c0]
test eax, eax
je 0x5392ce
push eax
lea ecx, [ebp - 0x288]
push str.SoftwareDownloadManager_ldChList
push ecx
call fcn.0056d05a
add esp, 0xc
jmp 0x5392f0
mov edx, dword [ebx + 0x10c]
mov eax, dword [ebx + 0x108]
push edx
push eax
lea ecx, [ebp - 0x288]
push str.SoftwareDownloadManagerGrabberStsProjects_ld_ldChList
push ecx
call fcn.0056d05a
add esp, 0x10
mov edx, dword [ebx + 0x68]
lea ecx, [ebp - 0x18]
mov eax, dword [edx + 0x10]
push eax
call fcn.0058872e
mov byte [ebp - 4], 1
xor esi, esi
cmp esi, 0xffffffff
je 0x5394a5
push esi
lea ecx, [ebp - 0x54]
push 0x638fec
push ecx
call fcn.0056d05a
add esp, 0xc
lea edx, [ebp - 0x38]
lea eax, [ebp - 0x48]
lea ecx, [ebp - 0x54]
push edx
mov edx, dword [ebx + 0xbc]
push eax
push 0
push 0
push ecx
push edx
mov dword [ebp - 0x38], 0x10
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x5394a5
test esi, esi
je 0x53949d
mov eax, dword [0x65ec1c]
mov dword [ebp - 0x28], eax
mov ecx, dword [ebp - 0x18]
push esi
push ecx
lea edx, [ebp - 0x28]
push str._s_d
push edx
mov byte [ebp - 4], 2
call fcn.0058148b
mov eax, dword [ebp - 0x28]
add esp, 0x10
push 0
push 0
push 3
push 0
push 3
push closesocket
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [ebp - 0x24], eax
je 0x539491
lea ecx, [ebp - 0x1c]
mov dword [ebp - 0x1c], 0
push ecx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
xor ecx, ecx
cmp eax, 0xffffffff
jne 0x5393c6
test ecx, ecx
jne 0x5393c6
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x539484
mov edx, dword [ebp - 0x30]
lea ecx, [ebp - 0x34]
push 0
push ecx
mov eax, dword [edx + 0xc]
mov edx, dword [ebp - 0x24]
push 0
push edx
mov ebx, dword [eax + 0xe0]
mov dword [ebp - 0x34], 0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x539484
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1290]
mov edx, dword [ebp - 0x24]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x20]
push 0
push eax
lea ecx, [ebp - 0x1290]
push 0x800
push ecx
push edx
mov dword [ebp - 0x20], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x539484
mov ecx, dword [ebp - 0x20]
test ecx, ecx
je 0x539484
mov esi, dword [ebx]
test esi, esi
je 0x539484
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x539448
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1290]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x539484
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x539462
cmp eax, 0x40
jge 0x539469
cmp eax, 0x200
jl 0x53946f
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x539480
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x20]
cmp eax, 0x104
jbe 0x539484
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x24]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ebx, dword [ebp - 0x30]
lea ecx, [ebp - 0x28]
mov byte [ebp - 4], 1
call fcn.005886c0
mov esi, dword [ebp - 0x44]
jmp 0x539305
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 0
call fcn.005886c0
mov al, byte [ebp - 0x11]
test al, al
je 0x5395c4
push str.Some_chunks_matched_with_start_of_file__Deleting_all__except_first._n
mov ecx, ebx
call fcn.004f8310
mov esi, dword [ebp - 0x4c]
xor edi, edi
cmp esi, edi
je 0x539535
mov ecx, dword [esi]
cmp ecx, edi
je 0x5394dc
mov edx, dword [ecx]
call dword [edx + 8]
mov eax, dword [esi + 0x10]
push eax
call fcn.0056e8d1
mov ecx, dword [esi + 0x10]
add esp, 4
cmp eax, 0xffffffff
push ecx
jne 0x5394f8
push str.Could_not_delete_temp_file__s_n
jmp 0x5394fd
push str.Deleting_temp_file__s_n
lea edx, [ebp - 0x188]
push edx
call fcn.0056d05a
add esp, 0xc
lea eax, [ebp - 0x188]
mov ecx, ebx
push eax
call fcn.004f8310
mov edi, esi
mov esi, dword [esi + 0x30]
test edi, edi
je 0x5394cb
mov ecx, edi
call fcn.004f8290
push edi
call fcn.00584a85
add esp, 4
jmp 0x5394cb
lea ecx, [ebx + 0x48]
call fcn.004f6c90
mov eax, dword [ebx + 0xbc]
cmp eax, edi
je 0x53956b
lea ecx, [ebp - 0x48]
push 0x10
push ecx
push edi
push edi
push 0x63f570
push eax
mov dword [ebp - 0x48], edi
mov dword [ebp - 0x40], edi
mov dword [ebp - 0x3c], edi
mov dword [ebp - 0x44], 0xffffffff
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
mov eax, dword [ebx + 0x68]
mov dword [ebx + 0x80], edi
cmp eax, edi
mov dword [ebx + 0x84], edi
mov dword [ebx + 0xac], edi
je 0x5395d5
mov dword [eax + 0x30], edi
mov edx, dword [ebx + 0x68]
mov edx, dword [edx]
mov eax, dword [edx + 0x1c]
mov ecx, dword [edx + 0x18]
cmp eax, edi
jl 0x5395a3
jg 0x53959c
cmp ecx, edi
jbe 0x5395a3
sub ecx, 1
sbb eax, edi
jmp 0x5395a7
xor ecx, ecx
xor eax, eax
mov dword [edx + 0x30], ecx
mov dword [edx + 0x34], eax
mov eax, dword [ebx + 0x68]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x38]
mov dword [ebx + 0x148], edx
mov eax, dword [ecx + 0x3c]
mov dword [ebx + 0x14c], eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ecx, dword [ebp - 0xc]
mov dword [ebx + 0x148], edi
mov dword [ebx + 0x120], edi
mov dword [ebx + 0x14c], edi
mov dword [ebx + 0x124], edi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret