Function at 0x58bff0
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 0x60de70
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
push ecx
mov eax, 0x1984
call fcn.005c76d0
push ebx
mov ebx, ecx
push esi
push edi
mov ecx, dword [ebx + 0xc]
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x20], ebx
mov dword [ebp - 4], 0
mov eax, dword [ecx + 0xe0]
test eax, eax
je 0x58c70e
mov edx, dword [ecx + 0x2e8]
test edx, edx
jne 0x58c70e
mov edx, dword [eax]
test edx, edx
je 0x58c70e
cmp dword [eax + 4], 0x800
jl 0x58c70e
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x98c]
lea esi, [ebp - 0x98c]
rep stosd dword es:[edi], eax
mov ecx, 0x200
mov edi, edx
xor eax, eax
repe cmpsd dword [esi], dword es:[edi]
je 0x58c70e
mov edi, dword [ebx + 0xd0]
test edi, edi
mov dword [ebp - 0x28], edi
je 0x58c094
mov edi, dword [edi + 0x38]
mov dword [ebp - 0x28], edi
mov dword [ebp - 0x54], edi
mov byte [ebp - 0x11], 0
test edi, edi
je 0x58c400
mov ecx, dword [edi + 0x10]
push 0
push 0
push 3
push 0
push 3
push connect
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
cmp esi, 0xffffffff
mov dword [ebp - 0x2c], esi
je 0x58c3f5
lea edx, [ebp - 0x38]
mov dword [ebp - 0x38], 0
push edx
push esi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x58c0ef
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x58c3e5
mov eax, dword [ebp - 0x20]
lea edx, [ebp - 0x18]
push 0
push edx
mov ecx, dword [eax + 0xc]
push 0
push esi
mov dword [ebp - 0x18], 0
mov ebx, dword [ecx + 0xe0]
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x58c1a7
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x98c]
push 0
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x34]
lea ecx, [ebp - 0x98c]
push eax
push 0x800
push ecx
push esi
mov dword [ebp - 0x34], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x58c1a7
mov ecx, dword [ebp - 0x34]
test ecx, ecx
je 0x58c1a7
mov esi, dword [ebx]
test esi, esi
je 0x58c1a7
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x58c16b
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x98c]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x58c1a7
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x58c185
cmp eax, 0x40
jge 0x58c18c
cmp eax, 0x200
jl 0x58c192
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x58c1a3
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x34]
cmp eax, 0x104
jbe 0x58c1a7
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x28]
lea edx, [ebp - 0x50]
mov dword [ebp - 0x30], 0x10
mov ecx, dword [eax + 0x40]
push ecx
push 0x6a202c
push edx
call fcn.005c7c98
add esp, 0xc
lea eax, [ebp - 0x30]
lea ecx, [ebp - 0x48]
lea edx, [ebp - 0x50]
push eax
mov eax, dword [ebp - 0x20]
push ecx
push 0
mov ecx, dword [eax + 0x124]
push 0
push edx
push ecx
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x58c3e5
mov eax, dword [ebp - 0x28]
mov ecx, dword [ebp - 0x3c]
mov edx, dword [eax + 8]
mov esi, dword [eax + 0xc]
mov eax, dword [ebp - 0x40]
cmp eax, edx
jne 0x58c209
cmp ecx, esi
je 0x58c2e0
cmp ecx, esi
jg 0x58c21d
jl 0x58c213
cmp eax, edx
jae 0x58c21d
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x58c221
sub eax, edx
sbb ecx, esi
mov edx, dword [ebp - 0x20]
mov dword [ebp - 0x18], ecx
lea ecx, [ebp - 0x18]
push 0
mov edx, dword [edx + 0xc]
push ecx
push eax
mov ebx, dword [edx + 0xe0]
mov edx, dword [ebp - 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x58c2da
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1994]
mov edx, dword [ebp - 0x2c]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x1c]
push 0
push eax
lea ecx, [ebp - 0x1994]
push 0x800
push ecx
push edx
mov dword [ebp - 0x1c], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x58c2da
mov ecx, dword [ebp - 0x1c]
test ecx, ecx
je 0x58c2da
mov esi, dword [ebx]
test esi, esi
je 0x58c2da
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x58c29e
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1994]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x58c2da
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x58c2b8
cmp eax, 0x40
jge 0x58c2bf
cmp eax, 0x200
jl 0x58c2c5
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x58c2d6
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x1c]
cmp eax, 0x104
jbe 0x58c2da
mov byte [ebp - 0x11], 1
mov ecx, dword [ebp - 0x3c]
mov eax, dword [ebp - 0x40]
mov edx, dword [ebp - 0x28]
mov esi, dword [edx]
test esi, esi
je 0x58c3e5
mov edx, dword [esi + 0x50]
mov esi, dword [esi + 0x54]
cmp eax, edx
jne 0x58c2ff
cmp ecx, esi
je 0x58c3e5
mov edi, dword [ebp - 0x28]
mov ebx, dword [edi + 8]
cmp ebx, edx
jne 0x58c314
mov edi, dword [edi + 0xc]
cmp edi, esi
je 0x58c3e5
cmp ecx, esi
jg 0x58c328
jl 0x58c31e
cmp eax, edx
jae 0x58c328
sub edx, eax
sbb esi, ecx
mov eax, edx
mov ecx, esi
jmp 0x58c32c
sub eax, edx
sbb ecx, esi
mov edx, dword [ebp - 0x20]
mov dword [ebp - 0x18], ecx
lea ecx, [ebp - 0x18]
push 0
mov edx, dword [edx + 0xc]
push ecx
push eax
mov ebx, dword [edx + 0xe0]
mov edx, dword [ebp - 0x2c]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x58c3e5
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1190]
mov edx, dword [ebp - 0x2c]
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x24]
push 0
push eax
lea ecx, [ebp - 0x1190]
push 0x800
push ecx
push edx
mov dword [ebp - 0x24], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x58c3e5
mov ecx, dword [ebp - 0x24]
test ecx, ecx
je 0x58c3e5
mov esi, dword [ebx]
test esi, esi
je 0x58c3e5
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x58c3a9
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1190]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x58c3e5
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x58c3c3
cmp eax, 0x40
jge 0x58c3ca
cmp eax, 0x200
jl 0x58c3d0
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x58c3e1
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x24]
cmp eax, 0x104
jbe 0x58c3e5
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x2c]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov edi, dword [ebp - 0x28]
mov ebx, dword [ebp - 0x20]
mov edi, dword [edi + 0x38]
mov dword [ebp - 0x28], edi
jmp 0x58c09b
mov eax, dword [ebx + 0x114]
test eax, eax
je 0x58c5e1
mov eax, dword [ebx + 0x248]
test eax, eax
je 0x58c42f
push eax
lea ecx, [ebp - 0x154]
push str.SoftwareDownloadManager_ldChList
push ecx
call fcn.005c7c98
add esp, 0xc
jmp 0x58c451
mov edx, dword [ebx + 0x174]
mov eax, dword [ebx + 0x170]
push edx
push eax
lea ecx, [ebp - 0x154]
push str.SoftwareDownloadManagerGrabberStsProjects_ld_ldChList
push ecx
call fcn.005c7c98
add esp, 0x10
xor esi, esi
cmp esi, 0xffffffff
je 0x58c5e1
push esi
lea edx, [ebp - 0x50]
push 0x6a202c
push edx
call fcn.005c7c98
add esp, 0xc
lea eax, [ebp - 0x30]
lea ecx, [ebp - 0x48]
lea edx, [ebp - 0x50]
push eax
mov eax, dword [ebx + 0x124]
push ecx
push 0
push 0
push edx
push eax
mov dword [ebp - 0x30], 0x10
call dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
test eax, eax
jne 0x58c5e1
test esi, esi
je 0x58c5d9
mov ecx, dword [ebx + 0xd0]
push esi
lea eax, [ebp - 0x59c]
mov edx, dword [ecx + 0x10]
push edx
push str._s_d
push eax
call fcn.005c81cc
add esp, 0x10
lea ecx, [ebp - 0x59c]
push 0
push 0
push 3
push 0
push 3
push connect
push ecx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
je 0x58c5d9
lea edx, [ebp - 0x18]
mov dword [ebp - 0x18], 0
push edx
push eax
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0xffffffff
jne 0x58c50e
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x58c5cc
mov eax, dword [ebp - 0x20]
lea edx, [ebp - 0x38]
push 0
push edx
mov ecx, dword [eax + 0xc]
mov eax, dword [ebp - 0x1c]
push 0
push eax
mov ebx, dword [ecx + 0xe0]
mov dword [ebp - 0x38], 0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
cmp eax, 0xffffffff
je 0x58c5cc
mov ecx, 0x200
xor eax, eax
lea edi, [ebp - 0x1190]
push 0
rep stosd dword es:[edi], eax
lea ecx, [ebp - 0x24]
lea edx, [ebp - 0x1190]
stosb byte es:[edi], al
mov eax, dword [ebp - 0x1c]
push ecx
push 0x800
push edx
push eax
mov dword [ebp - 0x24], 0
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x58c5cc
mov ecx, dword [ebp - 0x24]
test ecx, ecx
je 0x58c5cc
mov esi, dword [ebx]
test esi, esi
je 0x58c5cc
mov edi, dword [ebx + 8]
mov eax, dword [ebx + 4]
inc edi
cmp ecx, eax
mov dword [ebx + 8], edi
jge 0x58c590
mov eax, ecx
mov ecx, eax
lea edi, [ebp - 0x1190]
xor edx, edx
repe cmpsb byte [esi], byte es:[edi]
jne 0x58c5cc
mov ecx, dword [ebx + 0xc]
test ecx, ecx
je 0x58c5aa
cmp eax, 0x40
jge 0x58c5b1
cmp eax, 0x200
jl 0x58c5b7
inc ecx
mov dword [ebx + 0xc], ecx
jmp 0x58c5c8
mov eax, dword [ebx + 8]
dec eax
mov dword [ebx + 8], eax
mov eax, dword [ebp - 0x24]
cmp eax, 0x104
jbe 0x58c5cc
mov byte [ebp - 0x11], 1
mov eax, dword [ebp - 0x1c]
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ebx, dword [ebp - 0x20]
mov esi, dword [ebp - 0x44]
jmp 0x58c453
mov al, byte [ebp - 0x11]
test al, al
je 0x58c70e
push str.Some_chunks_matched_with_start_of_file__Deleting_all__except_first._n
mov ecx, ebx
call fcn.0058a680
mov ecx, dword [ebx + 0xd0]
mov esi, dword [ebp - 0x54]
xor edi, edi
mov dword [ecx + 0x38], edi
jmp 0x58c60a
xor edi, edi
cmp esi, edi
je 0x58c672
mov ecx, dword [esi]
cmp ecx, edi
je 0x58c619
mov edx, dword [ecx]
call dword [edx + 0xc]
mov eax, dword [esi + 0x10]
push eax
call fcn.005c8da3
mov ecx, dword [esi + 0x10]
add esp, 4
cmp eax, 0xffffffff
push ecx
jne 0x58c635
push str.Could_not_delete_temp_file__ls_n
jmp 0x58c63a
push str.Deleting_temp_file__ls_n
lea edx, [ebp - 0x188]
push edx
call fcn.005c7c98
add esp, 0xc
lea eax, [ebp - 0x188]
mov ecx, ebx
push eax
call fcn.0058a680
mov edi, esi
mov esi, dword [esi + 0x38]
test edi, edi
je 0x58c608
mov ecx, edi
call fcn.00535e40
push edi
call fcn.005dfce5
add esp, 4
jmp 0x58c608
lea ecx, [ebx + 0x48]
call fcn.00534320
mov eax, dword [ebx + 0x124]
cmp eax, edi
je 0x58c6a8
lea ecx, [ebp - 0x48]
push 0x10
push ecx
push edi
push edi
push 0x6a90b8
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 + 0xd0]
mov dword [ebx + 0xe8], edi
cmp eax, edi
mov dword [ebx + 0xec], edi
mov dword [ebx + 0x114], edi
je 0x58c71f
mov dword [eax + 0x38], edi
mov edx, dword [ebx + 0xd0]
mov edx, dword [edx]
cmp edx, edi
je 0x58c70e
mov eax, dword [edx + 0x4c]
mov ecx, dword [edx + 0x48]
cmp eax, edi
jl 0x58c6ea
jg 0x58c6e3
cmp ecx, edi
jbe 0x58c6ea
sub ecx, 1
sbb eax, edi
jmp 0x58c6ee
xor ecx, ecx
xor eax, eax
mov dword [edx + 0x60], ecx
mov dword [edx + 0x64], eax
mov eax, dword [ebx + 0xd0]
mov ecx, dword [eax]
mov edx, dword [ecx + 0x68]
mov dword [ebx + 0x1d0], edx
mov eax, dword [ecx + 0x6c]
mov dword [ebx + 0x1d4], 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 + 0x1d0], edi
mov dword [ebx + 0x1a8], edi
mov dword [ebx + 0x1d4], edi
mov dword [ebx + 0x1ac], edi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret