Function at 0x5c3a10
Capabilities:
Get file size
Read file on windows
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x62ea08
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x4c4
push ebx
push esi
push edi
mov edi, dword [ebp + 8]
xor esi, esi
mov ebx, ecx
cmp edi, esi
mov dword [ebp - 0x10], esp
mov dword [ebp - 0x20], ebx
mov dword [ebp - 4], esi
je 0x5c3fda
call fcn.005c3590
cmp dword [0x6d2730], esi
jne 0x5c3a84
mov eax, dword [0x6d272c]
cmp eax, esi
jne 0x5c3a73
push str.Urlmon.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
cmp eax, esi
mov dword [0x6d272c], eax
je 0x5c3a84
push str.FindMimeFromData
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [0x6d2730], eax
mov eax, dword [0x6d2730]
mov byte [ebp - 0x11], 1
cmp eax, esi
mov byte [ebp - 0x12], 0
jne 0x5c3aa1
cmp dword [0x6d2724], esi
je 0x5c3f96
push esi
push esi
push 3
push esi
push 3
push bind
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edx, eax
cmp edx, 0xffffffff
mov dword [ebp - 0x24], edx
je 0x5c3f96
mov ecx, 0x40
xor eax, eax
lea edi, [ebp - 0x130]
push esi
rep stosd dword es:[edi], eax
stosb byte es:[edi], al
lea eax, [ebp - 0x1c]
lea ecx, [ebp - 0x130]
push eax
push 0x100
push ecx
push edx
mov dword [ebp - 0x28], 0x100
mov dword [ebp - 0x1c], esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, esi
je 0x5c3f85
mov ecx, dword [ebp - 0x1c]
cmp ecx, esi
jbe 0x5c3f85
mov eax, dword [0x6d2730]
cmp eax, esi
je 0x5c3c3a
lea edx, [ebp - 0x18]
push esi
push edx
push esi
push esi
push ecx
lea ecx, [ebp - 0x130]
mov byte [ebp - 4], 1
push ecx
push esi
push esi
mov dword [ebp - 0x18], esi
call eax
cmp eax, esi
jne 0x5c3c31
mov eax, dword [ebp - 0x18]
cmp eax, esi
je 0x5c3c31
add ebx, 0xcc
push eax
mov ecx, ebx
mov byte [ebp - 0x11], 0
call fcn.00602c86
mov edx, dword [ebp - 0x18]
push edx
call dword [sym.imp.ole32.dll_CoTaskMemFree]
mov eax, dword [ebx]
push str.application_octet_stream
push eax
mov dword [ebp - 4], 1
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3ba0
mov eax, dword [ebx]
push 0x6a2f30
push eax
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3ba0
mov eax, dword [ebx]
push str.text_html
push eax
call fcn.005e6820
add esp, 8
test eax, eax
jne 0x5c3bac
cmp dword [0x6d2724], esi
je 0x5c3bac
mov byte [ebp - 0x11], 1
mov eax, dword [ebx]
push str.application_octet_stream
push eax
call fcn.005e6820
add esp, 8
test eax, eax
jne 0x5c3c31
cmp dword [ebp - 0x1c], 7
jb 0x5c3c31
mov ecx, 3
mov edi, 0x6a34d4
lea esi, [ebp - 0x130]
xor eax, eax
repe cmpsb byte [esi], byte es:[edi]
jne 0x5c3c31
mov cl, byte [ebp - 0x12c]
mov al, 1
test cl, 0x80
je 0x5c3beb
xor al, al
test cl, 0x40
je 0x5c3bf2
xor al, al
test cl, 0x20
je 0x5c3bf9
xor al, al
test cl, 0x10
je 0x5c3c00
xor al, al
test cl, 2
je 0x5c3c07
xor al, al
mov cl, byte [ebp - 0x12d]
test cl, cl
je 0x5c3c31
cmp cl, 2
ja 0x5c3c31
test al, al
je 0x5c3c31
push str.video_x_flv
push 0x6a00a0
push ebx
call fcn.005fb90b
add esp, 0xc
mov byte [ebp - 0x11], 0
mov dword [ebp - 4], 0
xor esi, esi
cmp dword [0x6d2724], esi
je 0x5c3f85
mov al, byte [ebp - 0x11]
test al, al
je 0x5c3f85
mov ebx, dword [ebp - 0x24]
mov ecx, 0xa8
xor eax, eax
lea edi, [ebp - 0x3d0]
rep stosd dword es:[edi], eax
lea ecx, [ebp - 0x2c]
xor edi, edi
push ecx
push ebx
mov byte [ebp - 0x3d0], 1
mov dword [ebp - 0x18], edi
call dword [sym.imp.KERNEL32.dll_GetFileSize]
mov esi, eax
cmp esi, 0xffffffff
jne 0x5c3c8f
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x5c3d3a
mov edx, dword [ebp - 0x2c]
push 1
push 0
push 0
push edx
call fcn.005e8c50
xor ecx, ecx
add eax, esi
adc edx, ecx
js 0x5c3d3a
jg 0x5c3cb7
cmp eax, 0x100
jbe 0x5c3d3a
test edx, edx
jg 0x5c3ccf
jl 0x5c3cc4
cmp eax, 0x1388
jae 0x5c3ccf
mov dword [ebp - 0x28], eax
jmp 0x5c3cd6
mov dword [ebp - 0x28], 0x1388
mov edx, dword [ebp - 0x28]
push edx
call fcn.005feedc
mov esi, eax
add esp, 4
test esi, esi
je 0x5c3d3a
push 0
push 0
push 0
push ebx
mov dword [ebp - 0x1c], 0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ecx, dword [ebp - 0x28]
lea eax, [ebp - 0x1c]
push 0
push eax
push ecx
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5c3d2f
mov eax, dword [ebp - 0x1c]
test eax, eax
jbe 0x5c3d2f
lea edx, [ebp - 0x3d0]
push edx
push 0
push eax
push esi
call dword [0x6d2724]
mov edi, eax
mov dword [ebp - 0x18], edi
push esi
call fcn.005fef05
add esp, 4
jmp 0x5c3d59
mov ecx, dword [ebp - 0x1c]
lea eax, [ebp - 0x3d0]
push eax
push 0
lea edx, [ebp - 0x130]
push ecx
push edx
call dword [0x6d2724]
mov edi, eax
mov dword [ebp - 0x18], edi
test edi, edi
je 0x5c3d66
cmp edi, 0xffffffff
je 0x5c3d66
mov byte [ebp - 0x11], 0
cmp edi, 3
jne 0x5c3da3
mov ebx, dword [ebp - 0x20]
mov ecx, dword [ebp - 0x1c]
xor esi, esi
mov eax, dword [ebx + 0x128]
mov edx, dword [ebx + 0x12c]
cmp eax, ecx
jne 0x5c3d91
cmp edx, esi
jne 0x5c3d91
test edx, edx
jg 0x5c3d9a
jl 0x5c3d91
test eax, eax
ja 0x5c3d9a
cmp dword [ebp - 0x28], 0x1388
jb 0x5c3db2
mov dword [ebp - 0x18], 1
jmp 0x5c3dce
cmp edi, 1
je 0x5c3dcb
cmp edi, 2
je 0x5c3dcb
jmp 0x5c3f85
push 0x6d0c38
lea ecx, [ebx + 0xcc]
mov byte [ebp - 0x12], 1
call fcn.00602c5f
jmp 0x5c3f85
mov ebx, dword [ebp - 0x20]
lea edi, [ebp - 0x2a3]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5c3f0d
lea eax, [ebp - 0x2a3]
push 0x6c5570
push eax
call fcn.005e6820
add esp, 8
test eax, eax
jne 0x5c3e0d
lea ecx, [ebx + 0xcc]
push 0x6a2f30
push ecx
jmp 0x5c3ebf
lea edx, [ebp - 0x2a3]
push 0x6a3b80
push edx
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3eb3
lea eax, [ebp - 0x2a3]
push str.html
push eax
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3eb3
mov esi, dword [ebx + 0xa4]
cmp byte [esi], 0x2e
jne 0x5c3e4d
inc esi
mov eax, dword [0x6d2728]
test eax, eax
je 0x5c3e96
lea ecx, [ebp - 0x2a3]
push ecx
push esi
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3e96
push 0
lea edx, [ebp - 0x307]
push esi
push edx
call dword [0x6d2728]
cmp eax, 1
jne 0x5c3e96
push esi
lea eax, [ebx + 0xcc]
push str.idmcheckedtype__s
push eax
call fcn.005fb90b
add esp, 0xc
jmp 0x5c3ec7
lea ecx, [ebp - 0x2a3]
lea edx, [ebx + 0xcc]
push ecx
push str.idmcheckedtype__s
push edx
call fcn.005fb90b
add esp, 0xc
jmp 0x5c3ec7
lea eax, [ebx + 0xcc]
push str.text_html
push eax
call fcn.005fb90b
add esp, 8
cmp dword [ebp - 0x18], 2
jne 0x5c3f85
mov eax, dword [ebx + 0x14c]
test ah, 1
je 0x5c3f85
mov edx, dword [ebx + 0x420]
mov eax, dword [ebp - 0x270]
lea ecx, [ebp - 0x18]
push 4
push ecx
push 4
push 0
push str.exLenToSkip
push edx
mov dword [ebx + 0x334], eax
mov dword [ebp - 0x18], eax
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
jmp 0x5c3f85
lea edi, [ebp - 0x307]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5c3f85
lea eax, [ebp - 0x307]
push str.application_octet_stream
push eax
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3f85
lea ecx, [ebp - 0x307]
push 0x6a2f30
push ecx
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3f85
lea edx, [ebp - 0x307]
push str.text_html
push edx
call fcn.005e6820
add esp, 8
test eax, eax
je 0x5c3f85
mov ecx, dword [ebp - 0x20]
lea eax, [ebp - 0x307]
push eax
add ecx, 0xcc
push 0x6a00a0
push ecx
call fcn.005fb90b
add esp, 0xc
mov edx, dword [ebp - 0x24]
push edx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
mov al, byte [ebp - 0x11]
test al, al
je 0x5c3ff3
lea ecx, [ebp - 0x24]
call fcn.005c6d40
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x24]
push eax
mov byte [ebp - 4], 5
call fcn.005c6eb0
mov ecx, dword [ebp + 0xc]
mov byte [ebp - 4], 0
mov dword [ecx], eax
lea ecx, [ebp - 0x24]
call fcn.005c6d70
mov al, byte [ebp - 0x12]
test al, al
jne 0x5c3fda
mov ebx, dword [ebp - 0x20]
mov byte [ebx + 0x306], 1
mov dword [ebx + 0xb0], 3
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret 8
mov al, byte [ebp - 0x12]
test al, al
jne 0x5c3fda
mov ebx, dword [ebp - 0x20]
or ecx, 0xffffffff
xor eax, eax
mov edx, dword [ebx + 0xcc]
mov edi, edx
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5c3fc9
push str.text_html
push edx
call fcn.005e6820
mov edx, dword [ebp + 0xc]
add esp, 8
neg eax
sbb eax, eax
inc eax
mov dword [edx], eax
jne 0x5c3fc9
mov eax, dword [ebx + 0x3c]
test eax, eax
jne 0x5c403b
test byte [ebx + 0x14c], 8
je 0x5c3fc9
mov esi, dword [ebx + 0xa4]
or ecx, 0xffffffff
mov edi, esi
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5c3fc9
cmp byte [esi], 0x2e
jne 0x5c4059
inc esi
push 0xff
lea eax, [ebp - 0x4d0]
push esi
push eax
call fcn.005e6720
lea ecx, [ebp - 0x4d0]
mov byte [ebp - 0x3d1], 0
push ecx
call fcn.005e95bd
push 0x6c5570
push esi
call fcn.005e6820
add esp, 0x18
test eax, eax
je 0x5c3fc9
lea edx, [ebp - 0x4d0]
push edx
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.005e6490
add esp, 8
test eax, eax
je 0x5c3fc9
mov eax, dword [ebx + 0xcc]
push 0x6a2f30
push eax
call fcn.005e6820
mov ecx, dword [ebp + 0xc]
add esp, 8
neg eax
sbb eax, eax
inc eax
mov dword [ecx], eax
jmp 0x5c3fc9