Function at 0x5a4e80
Capabilities:
Get file size
Read file on windows
Set registry value

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x60f798
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 - 0x1c], ebx
mov dword [ebp - 4], esi
je 0x5a544a
call fcn.005a4db0
cmp dword [0x6d2448], esi
jne 0x5a4ef4
mov eax, dword [0x6d2444]
cmp eax, esi
jne 0x5a4ee3
push str.Urlmon.dll
call dword [sym.imp.KERNEL32.dll_LoadLibraryA]
cmp eax, esi
mov dword [0x6d2444], eax
je 0x5a4ef4
push str.FindMimeFromData
push eax
call dword [sym.imp.KERNEL32.dll_GetProcAddress]
mov dword [0x6d2448], eax
mov eax, dword [0x6d2448]
mov byte [ebp - 0x11], 1
cmp eax, esi
mov byte [ebp - 0x12], 0
jne 0x5a4f11
cmp dword [0x6d243c], esi
je 0x5a5406
push esi
push esi
push 3
push esi
push 3
push connect
push edi
call dword [sym.imp.KERNEL32.dll_CreateFileW]
mov edx, eax
cmp edx, 0xffffffff
mov dword [ebp - 0x24], edx
je 0x5a5406
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 - 0x20]
lea ecx, [ebp - 0x130]
push eax
push pe_nt_image_headers32
push ecx
push edx
mov dword [ebp - 0x28], pe_nt_image_headers32
mov dword [ebp - 0x20], esi
call dword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, esi
je 0x5a53f5
mov ecx, dword [ebp - 0x20]
cmp ecx, esi
jbe 0x5a53f5
mov eax, dword [0x6d2448]
cmp eax, esi
je 0x5a50aa
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 0x5a50a1
mov eax, dword [ebp - 0x18]
cmp eax, esi
je 0x5a50a1
add ebx, 0xcc
push eax
mov ecx, ebx
mov byte [ebp - 0x11], 0
call fcn.005e3a69
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.005c8740
add esp, 8
test eax, eax
je 0x5a5010
mov eax, dword [ebx]
push 0x6a4ac0
push eax
call fcn.005c8740
add esp, 8
test eax, eax
je 0x5a5010
mov eax, dword [ebx]
push str.text_html
push eax
call fcn.005c8740
add esp, 8
test eax, eax
jne 0x5a501c
cmp dword [0x6d243c], esi
je 0x5a501c
mov byte [ebp - 0x11], 1
mov eax, dword [ebx]
push str.application_octet_stream
push eax
call fcn.005c8740
add esp, 8
test eax, eax
jne 0x5a50a1
cmp dword [ebp - 0x20], 7
jb 0x5a50a1
mov ecx, 3
mov edi, 0x6a4fdc
lea esi, [ebp - 0x130]
xor eax, eax
repe cmpsb byte [esi], byte es:[edi]
jne 0x5a50a1
mov cl, byte [ebp - 0x12c]
mov al, 1
test cl, 0x80
je 0x5a505b
xor al, al
test cl, 0x40
je 0x5a5062
xor al, al
test cl, 0x20
je 0x5a5069
xor al, al
test cl, 0x10
je 0x5a5070
xor al, al
test cl, 2
je 0x5a5077
xor al, al
mov cl, byte [ebp - 0x12d]
test cl, cl
je 0x5a50a1
cmp cl, 2
ja 0x5a50a1
test al, al
je 0x5a50a1
push str.video_x_flv
push 0x6a1fe8
push ebx
call fcn.005dc6eb
add esp, 0xc
mov byte [ebp - 0x11], 0
mov dword [ebp - 4], 0
xor esi, esi
cmp dword [0x6d243c], esi
je 0x5a53f5
mov al, byte [ebp - 0x11]
test al, al
je 0x5a53f5
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 0x5a50ff
call dword [sym.imp.KERNEL32.dll_GetLastError]
test eax, eax
jne 0x5a51aa
mov edx, dword [ebp - 0x2c]
push 1
push 0
push 0
push edx
call fcn.005c9b80
xor ecx, ecx
add eax, esi
adc edx, ecx
js 0x5a51aa
jg 0x5a5127
cmp eax, 0x100
jbe 0x5a51aa
test edx, edx
jg 0x5a513f
jl 0x5a5134
cmp eax, 0x1388
jae 0x5a513f
mov dword [ebp - 0x28], eax
jmp 0x5a5146
mov dword [ebp - 0x28], 0x1388
mov edx, dword [ebp - 0x28]
push edx
call fcn.005dfcbc
mov esi, eax
add esp, 4
test esi, esi
je 0x5a51aa
push 0
push 0
push 0
push ebx
mov dword [ebp - 0x20], 0
call dword [sym.imp.KERNEL32.dll_SetFilePointer]
mov ecx, dword [ebp - 0x28]
lea eax, [ebp - 0x20]
push 0
push eax
push ecx
push esi
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
test eax, eax
je 0x5a519f
mov eax, dword [ebp - 0x20]
test eax, eax
jbe 0x5a519f
lea edx, [ebp - 0x3d0]
push edx
push 0
push eax
push esi
call dword [0x6d243c]
mov edi, eax
mov dword [ebp - 0x18], edi
push esi
call fcn.005dfce5
add esp, 4
jmp 0x5a51c9
mov ecx, dword [ebp - 0x20]
lea eax, [ebp - 0x3d0]
push eax
push 0
lea edx, [ebp - 0x130]
push ecx
push edx
call dword [0x6d243c]
mov edi, eax
mov dword [ebp - 0x18], edi
test edi, edi
je 0x5a51d6
cmp edi, 0xffffffff
je 0x5a51d6
mov byte [ebp - 0x11], 0
cmp edi, 3
jne 0x5a5213
mov ebx, dword [ebp - 0x1c]
mov ecx, dword [ebp - 0x20]
xor esi, esi
mov eax, dword [ebx + 0x120]
mov edx, dword [ebx + 0x124]
cmp eax, ecx
jne 0x5a5201
cmp edx, esi
jne 0x5a5201
test edx, edx
jg 0x5a520a
jl 0x5a5201
test eax, eax
ja 0x5a520a
cmp dword [ebp - 0x28], 0x1388
jb 0x5a5222
mov dword [ebp - 0x18], 1
jmp 0x5a523e
cmp edi, 1
je 0x5a523b
cmp edi, 2
je 0x5a523b
jmp 0x5a53f5
push 0x6d0ab8
lea ecx, [ebx + 0xcc]
mov byte [ebp - 0x12], 1
call fcn.005e3a42
jmp 0x5a53f5
mov ebx, dword [ebp - 0x1c]
lea edi, [ebp - 0x2a3]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5a537d
lea eax, [ebp - 0x2a3]
push 0x6c5428
push eax
call fcn.005c8740
add esp, 8
test eax, eax
jne 0x5a527d
lea ecx, [ebx + 0xcc]
push 0x6a4ac0
push ecx
jmp 0x5a532f
lea edx, [ebp - 0x2a3]
push 0x6a565c
push edx
call fcn.005c8740
add esp, 8
test eax, eax
je 0x5a5323
lea eax, [ebp - 0x2a3]
push str.html
push eax
call fcn.005c8740
add esp, 8
test eax, eax
je 0x5a5323
mov esi, dword [ebx + 0xa4]
cmp byte [esi], 0x2e
jne 0x5a52bd
inc esi
mov eax, dword [0x6d2440]
test eax, eax
je 0x5a5306
lea ecx, [ebp - 0x2a3]
push ecx
push esi
call fcn.005c8740
add esp, 8
test eax, eax
je 0x5a5306
push 0
lea edx, [ebp - 0x307]
push esi
push edx
call dword [0x6d2440]
cmp eax, 1
jne 0x5a5306
push esi
lea eax, [ebx + 0xcc]
push str.idmcheckedtype__s
push eax
call fcn.005dc6eb
add esp, 0xc
jmp 0x5a5337
lea ecx, [ebp - 0x2a3]
lea edx, [ebx + 0xcc]
push ecx
push str.idmcheckedtype__s
push edx
call fcn.005dc6eb
add esp, 0xc
jmp 0x5a5337
lea eax, [ebx + 0xcc]
push str.text_html
push eax
call fcn.005dc6eb
add esp, 8
cmp dword [ebp - 0x18], 2
jne 0x5a53f5
mov eax, dword [ebx + 0x144]
test ah, 1
je 0x5a53f5
mov edx, dword [ebx + 0x408]
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 + 0x31c], eax
mov dword [ebp - 0x18], eax
call dword [sym.imp.ADVAPI32.dll_RegSetValueExA]
jmp 0x5a53f5
lea edi, [ebp - 0x307]
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5a53f5
lea eax, [ebp - 0x307]
push str.application_octet_stream
push eax
call fcn.005c8740
add esp, 8
test eax, eax
je 0x5a53f5
lea ecx, [ebp - 0x307]
push 0x6a4ac0
push ecx
call fcn.005c8740
add esp, 8
test eax, eax
je 0x5a53f5
lea edx, [ebp - 0x307]
push str.text_html
push edx
call fcn.005c8740
add esp, 8
test eax, eax
je 0x5a53f5
mov ecx, dword [ebp - 0x1c]
lea eax, [ebp - 0x307]
push eax
add ecx, 0xcc
push 0x6a1fe8
push ecx
call fcn.005dc6eb
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 0x5a5463
lea ecx, [ebp - 0x24]
call fcn.005a81c0
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x24]
push eax
mov byte [ebp - 4], 5
call fcn.005a8330
mov ecx, dword [ebp + 0xc]
mov byte [ebp - 4], 0
mov dword [ecx], eax
lea ecx, [ebp - 0x24]
call fcn.005a81f0
mov al, byte [ebp - 0x12]
test al, al
jne 0x5a544a
mov eax, dword [ebp - 0x1c]
mov byte [eax + 0x2f2], 1
mov dword [eax + 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 0x5a544a
mov esi, dword [ebp - 0x1c]
or ecx, 0xffffffff
xor eax, eax
mov edx, dword [esi + 0xcc]
mov edi, edx
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5a5436
push str.text_html
push edx
call fcn.005c8740
mov edx, dword [ebp + 0xc]
add esp, 8
neg eax
sbb eax, eax
inc eax
mov dword [edx], eax
jne 0x5a5436
mov eax, dword [esi + 0x3c]
test eax, eax
jne 0x5a54ab
test byte [esi + 0x144], 8
je 0x5a5436
mov eax, dword [ebp - 0x1c]
or ecx, 0xffffffff
mov ebx, dword [eax + 0xa4]
xor eax, eax
mov edi, ebx
repne scasb al, byte es:[edi]
not ecx
dec ecx
je 0x5a5436
cmp byte [ebx], 0x2e
jne 0x5a54cc
inc ebx
mov edi, ebx
or ecx, 0xffffffff
xor eax, eax
lea edx, [ebp - 0x4d0]
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
lea ecx, [ebp - 0x4d0]
push ecx
call fcn.005ca58b
push 0x6c5428
push ebx
call fcn.005c8740
add esp, 0xc
test eax, eax
je 0x5a5436
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.005c7380
add esp, 8
test eax, eax
je 0x5a5436
mov eax, dword [ebp - 0x1c]
push 0x6a4ac0
mov eax, dword [eax + 0xcc]
push eax
call fcn.005c8740
mov ecx, dword [ebp + 0xc]
add esp, 8
neg eax
sbb eax, eax
inc eax
mov dword [ecx], eax
jmp 0x5a5436