Function at 0x53c820
Capabilities:
Delete registry value
Query or enumerate registry value
Read file on windows

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x629726
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x428
push ebx
push esi
push edi
mov edi, ecx
mov dword [ebp - 0x10], esp
push 0xa
lea ecx, [edi + 4]
mov dword [ebp - 0x20], edi
call fcn.005fd6ac
lea esi, [edi + 0x20]
push 0x6d0c3c
push esi
mov dword [ebp - 4], 0
mov dword [edi], 0x63d478
mov dword [ebp - 0x30], 0xffffffff
call fcn.005e72e7
mov eax, dword [0x6d12b0]
add esp, 8
test eax, eax
mov byte [ebp - 4], 1
jne 0x53c88a
mov eax, 0x6d12b4
push str.UrlHistory.txt
push eax
push 0x6a1544
push esi
call fcn.005e72e7
add esp, 0x10
lea ecx, [ebp - 0x14]
mov byte [ebp - 0x15], 0
push 0x6d0c38
call fcn.00602b44
mov eax, dword [0x6cc708]
mov dword [ebp - 0x1c], eax
lea ecx, [ebp - 0x2c]
mov byte [ebp - 4], 3
push ecx
push 0xf003f
push 0
push str.SoftwareDownloadManager_
push reloc.WS2_32.dll_accept
call dword [sym.imp.ADVAPI32.dll_RegOpenKeyExA]
test eax, eax
jne 0x53c9dc
lea edx, [ebp - 0x24]
mov esi, dword [sym.imp.ADVAPI32.dll_RegQueryValueExA]
push edx
push eax
push eax
push eax
mov eax, dword [ebp - 0x2c]
push str.UrlHistory
push eax
call esi
test eax, eax
jne 0x53c9dc
mov eax, dword [ebp - 0x24]
cmp eax, 1
jbe 0x53c9c2
inc eax
push eax
call fcn.005feedc
mov ecx, dword [ebp - 0x24]
add esp, 4
inc ecx
mov ebx, eax
mov edx, ecx
xor eax, eax
mov edi, ebx
shr ecx, 2
rep stosd dword es:[edi], eax
mov ecx, edx
and ecx, 3
rep stosb byte es:[edi], al
mov ecx, dword [ebp - 0x2c]
lea eax, [ebp - 0x24]
push eax
push ebx
push 0
push 0
push str.UrlHistory
push ecx
call esi
test eax, eax
jne 0x53c9b6
push ebx
lea ecx, [ebp - 0x14]
mov byte [ebp - 0x15], 1
call fcn.00602c5f
push 0x7c
lea ecx, [ebp - 0x14]
call fcn.00602ec3
mov esi, eax
cmp esi, 0xffffffff
jle 0x53c9b6
test esi, esi
jne 0x53c973
push 1
push eax
lea ecx, [ebp - 0x14]
call fcn.005fb299
jmp 0x53c951
lea edx, [ebp - 0x28]
push esi
push edx
lea ecx, [ebp - 0x14]
call fcn.005fb50d
push eax
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], 4
call fcn.00602c0f
lea ecx, [ebp - 0x28]
mov byte [ebp - 4], 3
call fcn.00602ad6
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x20]
push eax
add ecx, 4
call fcn.005fd855
inc esi
lea ecx, [ebp - 0x14]
push esi
push 0
call fcn.005fb299
jmp 0x53c951
push ebx
call fcn.005fef05
mov edi, dword [ebp - 0x20]
add esp, 4
mov edx, dword [ebp - 0x2c]
push str.UrlHistory
push edx
call dword [sym.imp.ADVAPI32.dll_RegDeleteValueA]
mov al, byte [ebp - 0x15]
test al, al
jne 0x53cae1
push 0
push 0
push 4
push 0
push 1
lea eax, [edi + 0x20]
push 0xc0000000
push eax
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edx, eax
cmp edx, 0xffffffff
mov dword [ebp - 0x30], edx
jne 0x53ca2a
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], 2
call fcn.00602ad6
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 1
call fcn.00602ad6
mov eax, edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov ebx, dword [sym.imp.KERNEL32.dll_ReadFile]
mov ecx, 0x100
xor eax, eax
lea edi, [ebp - 0x434]
push eax
rep stosd dword es:[edi], eax
lea ecx, [ebp - 0x28]
lea eax, [ebp - 0x434]
push ecx
push 0x3ff
push eax
push edx
call ebx
test eax, eax
je 0x53cade
mov eax, dword [ebp - 0x28]
test eax, eax
jbe 0x53cade
lea ecx, [ebp - 0x434]
push ecx
lea ecx, [ebp - 0x14]
call fcn.00602dd8
push 0xa
lea ecx, [ebp - 0x14]
call fcn.00602ec3
mov esi, eax
cmp esi, 0xffffffff
jle 0x53cad6
test esi, esi
jne 0x53ca93
push 1
push eax
lea ecx, [ebp - 0x14]
call fcn.005fb299
jmp 0x53ca71
lea edx, [ebp - 0x34]
push esi
push edx
lea ecx, [ebp - 0x14]
call fcn.005fb50d
push eax
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], 5
call fcn.00602c0f
lea ecx, [ebp - 0x34]
mov byte [ebp - 4], 3
call fcn.00602ad6
mov eax, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x20]
push eax
add ecx, 4
call fcn.005fd855
inc esi
lea ecx, [ebp - 0x14]
push esi
push 0
call fcn.005fb299
jmp 0x53ca71
mov edx, dword [ebp - 0x30]
jmp 0x53ca30
mov edi, dword [ebp - 0x20]
lea ecx, [ebp - 0x1c]
mov byte [ebp - 4], 2
call fcn.00602ad6
lea ecx, [ebp - 0x14]
mov byte [ebp - 4], 1
call fcn.00602ad6
jmp 0x53cb34
mov eax, dword [ebp - 0x30]
cmp eax, 0xffffffff
je 0x53cb43
push eax
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov ecx, dword [ebp - 0xc]
mov eax, edi
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret