Function at 0x5b54a0
Capabilities:
Get file size
Read file on windows
Set registry value

Disassembly:
push ebp
lea ebp, [esp - 0x3a8]
sub esp, 0x3a8
push 0xffffffffffffffff
push 0x63e1b0
mov eax, dword fs:[0]
push eax
sub esp, 0x2c
mov eax, dword [0x70a308]
xor eax, ebp
mov dword [ebp + 0x3a4], eax
push ebx
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov dword [ebp - 0x10], esp
mov edi, ecx
mov dword [ebp - 0x18], edi
mov ebx, dword [ebp + 0x3b0]
mov dword [ebp - 0x2c], ebx
mov eax, dword [ebp + 0x3b4]
mov dword [ebp - 0x38], eax
mov dword [ebp - 4], 0
test ebx, ebx
je 0x5b5a9a
call fcn.005aecc0
mov byte [ebp - 0x11], 1
mov byte [ebp - 0x12], 0
cmp dword [0x7110c8], 0
jne 0x5b5525
cmp dword [0x7110bc], 0
je 0x5b5a56
push 0
push 0
push 3
push 0
push 3
push 0x80000000
push ebx
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov esi, eax
mov dword [ebp - 0x28], esi
cmp esi, 0xffffffff
je 0x5b5a56
mov ebx, 0x100
mov dword [ebp - 0x24], ebx
push 0x101
push 0
lea ecx, [ebp + 0x2a0]
push ecx
call fcn.005f8cb0
add esp, 0xc
mov dword [ebp - 0x1c], 0
push 0
lea edx, [ebp - 0x1c]
push edx
push ebx
lea eax, [ebp + 0x2a0]
push eax
push esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5b5a40
cmp dword [ebp - 0x1c], 0
jbe 0x5b5a40
cmp dword [0x7110c8], 0
je 0x5b570a
mov byte [ebp - 4], 1
mov dword [ebp - 0x20], 0
push 0
lea ecx, [ebp - 0x20]
push ecx
push 0
push 0
mov edx, dword [ebp - 0x1c]
push edx
lea eax, [ebp + 0x2a0]
push eax
push 0
push 0
call dword [0x7110c8]
test eax, eax
jne 0x5b56f1
mov eax, dword [ebp - 0x20]
test eax, eax
je 0x5b56f1
mov byte [ebp - 0x11], 0
push eax
lea ecx, [edi + 0xcc]
call fcn.0040e2d0
mov byte [ebp - 4], 2
mov ecx, dword [ebp - 0x20]
push ecx
call dword [sym.imp.ole32.dll_CoTaskMemFree]
mov dword [ebp - 4], 1
jmp 0x5b5616
mov esi, dword [ebp - 0x18]
add esi, 0xcc
mov eax, dword [esi]
push str.application_octet_stream
push eax
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b565b
mov eax, dword [esi]
push str.text_plain
push eax
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b565b
mov eax, dword [esi]
push str.text_html
push eax
call fcn.005fa111
add esp, 8
test eax, eax
jne 0x5b5668
cmp dword [0x7110bc], 0
je 0x5b5668
mov byte [ebp - 0x11], 1
mov eax, dword [esi]
push str.application_octet_stream
push eax
call fcn.005fa111
add esp, 8
test eax, eax
jne 0x5b56f1
cmp dword [ebp - 0x1c], 7
jb 0x5b56f1
cmp byte [ebp + 0x2a0], 0x46
jne 0x5b56f1
cmp byte [ebp + 0x2a1], 0x4c
jne 0x5b56f1
cmp byte [ebp + 0x2a2], 0x56
jne 0x5b56f1
mov al, 1
mov cl, byte [ebp + 0x2a4]
test cl, cl
jns 0x5b56ab
xor al, al
test cl, 0x40
je 0x5b56b2
xor al, al
test cl, 0x20
je 0x5b56b9
xor al, al
test cl, 0x10
je 0x5b56c0
xor al, al
test cl, 2
je 0x5b56c7
xor al, al
mov cl, byte [ebp + 0x2a3]
test cl, cl
je 0x5b56f1
cmp cl, 2
ja 0x5b56f1
test al, al
je 0x5b56f1
push str.video_x_flv
push 0x64edec
push esi
call fcn.00402f60
add esp, 0xc
mov byte [ebp - 0x11], 0
mov dword [ebp - 4], 0
jmp 0x5b570a
cmp dword [0x7110bc], 0
je 0x5b5a40
cmp byte [ebp - 0x11], 0
je 0x5b5a40
push 0x2a0
push 0
lea edx, [ebp]
push edx
call fcn.005f8cb0
add esp, 0xc
mov byte [ebp], 1
xor edi, edi
lea eax, [ebp - 0x24]
push eax
mov ecx, dword [ebp - 0x28]
push ecx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0xffffffff
jne 0x5b575d
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x5b57f3
push 1
push 0
push 0
mov edx, dword [ebp - 0x24]
push edx
call fcn.005fd4d0
xor ecx, ecx
add eax, esi
adc edx, ecx
js 0x5b57f3
jg 0x5b577d
cmp eax, 0x100
jbe 0x5b57f3
test edx, edx
jg 0x5b578f
jl 0x5b578a
cmp eax, 0x1388
jae 0x5b578f
mov dword [ebp - 0x30], edx
jmp 0x5b5797
mov eax, 0x1388
mov dword [ebp - 0x30], ecx
mov ebx, eax
push ebx
call fcn.005cfaa6
add esp, 4
mov esi, eax
test esi, esi
je 0x5b57f3
mov dword [ebp - 0x1c], edi
push 0
push 0
push 0
mov edx, dword [ebp - 0x28]
push edx
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
push 0
lea eax, [ebp - 0x1c]
push eax
push ebx
push esi
mov ecx, dword [ebp - 0x28]
push ecx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5b57e8
mov eax, dword [ebp - 0x1c]
test eax, eax
jbe 0x5b57e8
lea edx, [ebp]
push edx
push 0
push eax
push esi
call dword [0x7110bc]
mov edi, eax
push esi
call fcn.005cfa9b
add esp, 4
jmp 0x5b580c
lea eax, [ebp]
push eax
push 0
mov ecx, dword [ebp - 0x1c]
push ecx
lea edx, [ebp + 0x2a0]
push edx
call dword [0x7110bc]
mov edi, eax
test edi, edi
je 0x5b5819
cmp edi, 0xffffffff
je 0x5b5819
mov byte [ebp - 0x11], 0
cmp edi, 3
jne 0x5b5891
mov edi, dword [ebp - 0x18]
mov eax, dword [edi + 0x128]
mov edx, dword [edi + 0x12c]
mov ecx, dword [ebp - 0x1c]
xor esi, esi
cmp eax, ecx
jne 0x5b5844
cmp edx, esi
jne 0x5b5844
test edx, edx
jg 0x5b584c
jl 0x5b5844
test eax, eax
ja 0x5b584c
cmp ebx, 0x1388
jb 0x5b58a0
mov edi, 1
lea eax, [ebp + 0x12d]
lea edx, [eax + 1]
lea ebx, [ebx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5b5860
sub eax, edx
je 0x5b59c4
push 0x68add4
lea eax, [ebp + 0x12d]
push eax
call fcn.005fa111
add esp, 8
test eax, eax
jne 0x5b58b9
push str.text_plain
jmp 0x5b5967
cmp edi, 1
je 0x5b5851
cmp edi, 2
je 0x5b5851
jmp 0x5b5a40
mov byte [ebp - 0x12], 1
push 0x64f8bc
lea ecx, [edi + 0xcc]
call fcn.00402fc0
jmp 0x5b5a40
push 0x6554a8
lea edx, [ebp + 0x12d]
push edx
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b5962
push str.html
lea eax, [ebp + 0x12d]
push eax
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b5962
mov ebx, dword [ebp - 0x18]
mov esi, dword [ebx + 0xa4]
cmp byte [esi], 0x2e
jne 0x5b58fc
inc esi
cmp dword [0x7110c0], 0
je 0x5b5945
lea ecx, [ebp + 0x12d]
push ecx
push esi
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b5945
push 0
push esi
lea edx, [ebp + 0xc9]
push edx
call dword [0x7110c0]
cmp eax, 1
jne 0x5b5945
push esi
push str.idmcheckedtype__s
add ebx, 0xcc
push ebx
call fcn.00402f60
add esp, 0xc
jmp 0x5b5979
lea eax, [ebp + 0x12d]
push eax
push str.idmcheckedtype__s
add ebx, 0xcc
push ebx
call fcn.00402f60
add esp, 0xc
jmp 0x5b5979
push str.text_html
mov ecx, dword [ebp - 0x18]
add ecx, 0xcc
push ecx
call fcn.00402f60
add esp, 8
cmp edi, 2
jne 0x5b5a40
mov edx, dword [ebp - 0x18]
test dword [edx + 0x14c], 0x100
je 0x5b5a40
mov eax, dword [ebp + 0x160]
mov ecx, edx
mov dword [ecx + 0x34c], eax
mov dword [ebp - 0x30], eax
push 4
lea eax, [ebp - 0x30]
push eax
push 4
push 0
push str.exLenToSkip
mov ecx, dword [ecx + 0x460]
push ecx
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
jmp 0x5b5a40
lea eax, [ebp + 0xc9]
lea edx, [eax + 1]
lea ecx, [ecx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5b59d0
sub eax, edx
je 0x5b5a40
push str.application_octet_stream
lea edx, [ebp + 0xc9]
push edx
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b5a40
push str.text_plain
lea eax, [ebp + 0xc9]
push eax
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b5a40
push str.text_html
lea ecx, [ebp + 0xc9]
push ecx
call fcn.005fa111
add esp, 8
test eax, eax
je 0x5b5a40
lea edx, [ebp + 0xc9]
push edx
push 0x64edec
mov eax, dword [ebp - 0x18]
add eax, 0xcc
push eax
call fcn.00402f60
add esp, 0xc
mov ecx, dword [ebp - 0x28]
push ecx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp byte [ebp - 0x11], 0
je 0x5b5ac1
mov edi, dword [ebp - 0x18]
mov ebx, dword [ebp - 0x2c]
lea ecx, [ebp - 0x24]
call fcn.005b8cd0
mov byte [ebp - 4], 5
push ebx
lea ecx, [ebp - 0x24]
call fcn.005b8cf0
mov edx, dword [ebp - 0x38]
mov dword [edx], eax
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x24]
call fcn.005b8ce0
cmp byte [ebp - 0x12], 0
jne 0x5b5a93
mov byte [edi + 0x31a], 1
mov dword [edi + 0xb0], 3
mov dword [ebp - 4], 0xffffffff
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
pop ebx
mov ecx, dword [ebp + 0x3a4]
xor ecx, ebp
call fcn.005f85e7
add ebp, 0x3a8
mov esp, ebp
pop ebp
ret 8
cmp byte [ebp - 0x12], 0
jne 0x5b5a93
mov edi, dword [ebp - 0x18]
mov edx, dword [edi + 0xcc]
mov eax, edx
lea esi, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5b5ad5
sub eax, esi
je 0x5b5a82
push str.text_html
push edx
call fcn.005fa111
add esp, 8
neg eax
sbb eax, eax
add eax, 1
mov ebx, dword [ebp - 0x38]
mov dword [ebx], eax
jne 0x5b5a82
cmp dword [edi + 0x3c], 0
jne 0x5b5b0f
test byte [edi + 0x14c], 8
je 0x5b5a82
mov esi, dword [edi + 0xa4]
mov eax, esi
lea edx, [eax + 1]
lea ebx, [ebx]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x5b5b20
sub eax, edx
je 0x5b5a82
cmp byte [esi], 0x2e
jne 0x5b5b35
inc esi
push 0x100
push esi
lea eax, [ebp + 0x2a0]
push eax
call fcn.00405370
lea ecx, [ebp + 0x2a0]
push ecx
call fcn.005ff3be
add esp, 0x10
lea ecx, [ebp - 0x20]
call fcn.004024e0
mov byte [ebp - 4], 6
lea edx, [ebp + 0x2a0]
push edx
push str.__s
lea eax, [ebp - 0x20]
push eax
call fcn.00402f60
push 0x68add4
push esi
call fcn.005fa111
add esp, 0x14
test eax, eax
je 0x5b5bb9
mov ecx, dword [ebp - 0x20]
push ecx
push str._3GP_7Z_AAC_ACE_AIF_ARJ_ASF_AVI_BIN_BZ2_DOC_DOCX_EXE_FLV_GZ_GZIP_IMG_ISO_LZH_M4A_M4V_MKV_MOV_MP3_MP4_MPA_MPE_MPEG_MPG_MSI_MSU_OGG_OGV_PDF_PLJ_PPS_PPT_QT_R0_R1_RA_RAR_RM_RMVB_SEA_SIT_SITX_TAR_TIF_TIFF_WAV_WEBM_WMA_WMV_Z_ZIP
call fcn.005f9c10
add esp, 8
test eax, eax
je 0x5b5bb9
mov eax, dword [edi + 0xcc]
push str.text_plain
push eax
call fcn.005fa111
add esp, 8
neg eax
sbb eax, eax
inc eax
mov dword [ebx], eax
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x20]
call fcn.00402550
jmp 0x5b5a82