Function at 0x51d700
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 0x58ea90
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, 0x19e4
call fcn.0054e3f0
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 0x51de1e
mov edx, dword [eax]
test edx, edx
je 0x51de1e
cmp dword [eax + 4], 0x800
jl 0x51de1e
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x9ec]
lea esi, [ebp - 0x9ec]
rep stosd dword es:[edi], eax
mov edi, edx
mov ecx, 0x200
xor edx, edx
repe cmpsd dword [esi], dword es:[edi]
je 0x51de1e
mov edi, dword [ebx + 0x5c]
test edi, edi
mov dword [ebp - 0x24], edi
je 0x51d793
mov edi, dword [edi + 0x1c]
mov dword [ebp - 0x24], edi
mov dword [ebp - 0x54], edi
mov byte [ebp - 0x11], 0
test edi, edi
je 0x51daff
mov eax, dword [edi + 0x10]
push 0
push 0
push 3
push 0
push 3
push connect
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov esi, eax
cmp esi, 0xffffffff
mov dword [ebp - 0x18], esi
je 0x51daf4
lea ecx, [ebp - 0x34]
mov dword [ebp - 0x34], 0
push ecx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x51d7ee
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x51dae4
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 0x51d8a6
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x9ec]
lea edx, [ebp - 0x2c]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
push 0
push edx
lea eax, [ebp - 0x9ec]
push 0x800
push eax
push esi
mov dword [ebp - 0x2c], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x51d8a6
mov ecx, dword [ebp - 0x2c]
test ecx, ecx
je 0x51d8a6
mov esi, dword [ebx]
test esi, esi
je 0x51d8a6
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x51d86a
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x9ec]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x51d8a6
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x51d884
cmp eax, 0x40
jge 0x51d88b
cmp eax, 0x200
jl 0x51d891
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x51d8a2
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x2c]
cmp eax, 0x104
jbe 0x51d8a6
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x24]
lea edx, [ebp - 0x50]
mov dword [ebp - 0x38], 0x10
mov ecx, dword [eax + 0x24]
push ecx
push 0x615ee0
push edx
call fcn.0054ea2a
add esp, 0xc
lea eax, [ebp - 0x38]
lea ecx, [ebp - 0x48]
lea edx, [ebp - 0x50]
push eax
mov eax, dword [ebp - 0x30]
push ecx
push 0
mov ecx, dword [eax + 0x9c]
push 0
push edx
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x51dae4
mov eax, dword [ebp - 0x24]
mov ecx, dword [ebp - 0x3c]
mov edx, dword [eax + 8]
mov esi, dword [eax + 0xc]
mov eax, dword [ebp - 0x40]
cmp eax, edx
jne 0x51d908
cmp ecx, esi
je 0x51d9df
cmp ecx, esi
jg 0x51d91c
jl 0x51d912
cmp eax, edx
jae 0x51d91c
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x51d920
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 0x51d9d9
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x19f4]
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 - 0x19f4]
push 0x800
push ecx
push edx
mov dword [ebp - 0x20], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x51d9d9
mov ecx, dword [ebp - 0x20]
test ecx, ecx
je 0x51d9d9
mov esi, dword [ebx]
test esi, esi
je 0x51d9d9
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x51d99d
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x19f4]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x51d9d9
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x51d9b7
cmp eax, 0x40
jge 0x51d9be
cmp eax, 0x200
jl 0x51d9c4
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x51d9d5
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x20]
cmp eax, 0x104
jbe 0x51d9d9
mov byte [ebp - 0x11], 1
mov ecx, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x40]
mov edx, dword [ebp - 0x24]
mov esi, dword [edx]
test esi, esi
je 0x51dae4
mov edx, dword [esi + 0x20]
mov esi, dword [esi + 0x24]
cmp eax, edx
jne 0x51d9fe
cmp ecx, esi
je 0x51dae4
mov edi, dword [ebp - 0x24]
mov ebx, dword [edi + 8]
cmp ebx, edx
jne 0x51da13
mov edi, dword [edi + 0xc]
cmp edi, esi
je 0x51dae4
cmp ecx, esi
jg 0x51da27
jl 0x51da1d
cmp eax, edx
jae 0x51da27
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x51da2b
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 0x51dae4
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x11f0]
mov edx, dword [ebp - 0x18]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x28]
push 0
push eax
lea ecx, [ebp - 0x11f0]
push 0x800
push ecx
push edx
mov dword [ebp - 0x28], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x51dae4
mov ecx, dword [ebp - 0x28]
test ecx, ecx
je 0x51dae4
mov esi, dword [ebx]
test esi, esi
je 0x51dae4
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x51daa8
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x11f0]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x51dae4
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x51dac2
cmp eax, 0x40
jge 0x51dac9
cmp eax, 0x200
jl 0x51dacf
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x51dae0
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x28]
cmp eax, 0x104
jbe 0x51dae4
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x18]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [ebp - 0x24]
mov ebx, dword [ebp - 0x30]
mov edi, dword [edi + 0x1c]
mov dword [ebp - 0x24], edi
jmp 0x51d79a
mov eax, dword [ebx + 0x8c]
test eax, eax
je 0x51dd11
mov eax, dword [ebx + 0x198]
test eax, eax
je 0x51db2e
push eax
lea ecx, [ebp - 0xb4]
push str.SoftwareDownloadManager_ldChList
push ecx
call fcn.0054ea2a
add esp, 0xc
jmp 0x51db50
mov edx, dword [ebx + 0xec]
mov eax, dword [ebx + 0xe8]
push edx
push eax
lea ecx, [ebp - 0xb4]
push str.SoftwareDownloadManagerGrabberStsProjects_ld_ldChList
push ecx
call fcn.0054ea2a
add esp, 0x10
mov edx, dword [ebx + 0x5c]
lea ecx, [ebp - 0x18]
mov eax, dword [edx + 0x10]
push eax
call fcn.0056a16e
mov byte [ebp - 4], 1
xor esi, esi
cmp esi, 0xffffffff
je 0x51dd05
push esi
lea ecx, [ebp - 0x50]
push 0x615ee0
push ecx
call fcn.0054ea2a
add esp, 0xc
lea edx, [ebp - 0x38]
lea eax, [ebp - 0x48]
lea ecx, [ebp - 0x50]
push edx
mov edx, dword [ebx + 0x9c]
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 0x51dd05
test esi, esi
je 0x51dcfd
mov eax, dword [0x639ad4]
mov dword [ebp - 0x2c], eax
mov ecx, dword [ebp - 0x18]
push esi
push ecx
lea edx, [ebp - 0x2c]
push str._s_d
push edx
mov byte [ebp - 4], 2
call fcn.00562ecb
mov eax, dword [ebp - 0x2c]
add esp, 0x10
push 0
push 0
push 3
push 0
push 3
push connect
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
mov dword [ebp - 0x20], eax
je 0x51dcf1
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 0x51dc26
test ecx, ecx
jne 0x51dc26
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x51dce4
mov edx, dword [ebp - 0x30]
lea ecx, [ebp - 0x34]
push 0
push ecx
mov eax, dword [edx + 0xc]
mov edx, dword [ebp - 0x20]
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 0x51dce4
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x11f0]
mov edx, dword [ebp - 0x20]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x28]
push 0
push eax
lea ecx, [ebp - 0x11f0]
push 0x800
push ecx
push edx
mov dword [ebp - 0x28], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x51dce4
mov ecx, dword [ebp - 0x28]
test ecx, ecx
je 0x51dce4
mov esi, dword [ebx]
test esi, esi
je 0x51dce4
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x51dca8
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x11f0]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x51dce4
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x51dcc2
cmp eax, 0x40
jge 0x51dcc9
cmp eax, 0x200
jl 0x51dccf
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x51dce0
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x28]
cmp eax, 0x104
jbe 0x51dce4
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x20]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ebx, dword [ebp - 0x30]
lea ecx, [ebp - 0x2c]
mov byte [ebp - 4], 1
call fcn.0056a100
mov esi, dword [ebp - 0x44]
jmp 0x51db65
lea ecx, [ebp - 0x18]
mov byte [ebp - 4], 0
call fcn.0056a100
mov al, byte [ebp - 0x11]
test al, al
je 0x51de1e
push str.Some_chunks_matched_with_start_of_file__Deleting_all__except_first._n
mov ecx, ebx
call fcn.0051c2e0
mov esi, dword [ebp - 0x54]
xor edi, edi
cmp esi, edi
je 0x51dd95
mov ecx, dword [esi]
cmp ecx, edi
je 0x51dd3c
mov edx, dword [ecx]
call dword [edx + 8]
mov eax, dword [esi + 0x10]
push eax
call fcn.005502d1
mov ecx, dword [esi + 0x10]
add esp, 4
cmp eax, 0xffffffff
push ecx
jne 0x51dd58
push str.Could_not_delete_temp_file__s_n
jmp 0x51dd5d
push str.Deleting_temp_file__s_n
lea edx, [ebp - 0x1e8]
push edx
call fcn.0054ea2a
add esp, 0xc
lea eax, [ebp - 0x1e8]
mov ecx, ebx
push eax
call fcn.0051c2e0
mov edi, esi
mov esi, dword [esi + 0x1c]
test edi, edi
je 0x51dd2b
mov ecx, edi
call fcn.004e9810
push edi
call fcn.005664c5
add esp, 4
jmp 0x51dd2b
lea ecx, [ebx + 0x48]
call fcn.004e8310
mov eax, dword [ebx + 0x9c]
cmp eax, edi
je 0x51ddcb
lea ecx, [ebp - 0x48]
push 0x10
push ecx
push edi
push edi
push 0x61be94
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 + 0x5c]
mov dword [ebx + 0x70], edi
cmp eax, edi
mov dword [ebx + 0x74], edi
mov dword [ebx + 0x8c], edi
je 0x51de2f
mov dword [eax + 0x1c], edi
mov edx, dword [ebx + 0x5c]
mov edx, dword [edx]
mov eax, dword [edx + 0x1c]
mov ecx, dword [edx + 0x18]
cmp eax, edi
jl 0x51ddfd
jg 0x51ddf6
cmp ecx, edi
jbe 0x51ddfd
sub ecx, 1
sbb eax, edi
jmp 0x51de01
xor ecx, ecx
xor eax, eax
mov dword [edx + 0x30], ecx
mov dword [edx + 0x34], eax
mov eax, dword [ebx + 0x5c]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x38]
mov dword [ebx + 0x120], edx
mov eax, dword [ecx + 0x3c]
mov dword [ebx + 0x124], 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 + 0x120], edi
mov dword [ebx + 0x124], edi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret