Function at 0x44acf0
Capabilities:
Check for time delay via gettickcount
Check for time delay via queryperformancecounter
Encode data using xor
Get file size
Read file on windows

Disassembly:
push ebp
lea ebp, [esp - 0x78]
push 0xffffffffffffffff
push 0x475248
mov eax, dword fs:[0]
push eax
mov eax, 0x1088
mov dword fs:[0], esp
call fcn.004574e0
push ebx
push esi
mov esi, ecx
xor ebx, ebx
push edi
mov dword [ebp + 0x38], esi
mov dword [esi + 0xa8], ebx
mov dword [esi + 0xac], ebx
mov dword [esi + 0xb0], 0xfa00000
mov dword [esi + 0xb4], ebx
call fcn.0046b0c6
mov edx, dword [eax]
mov ecx, eax
call dword [edx + 0xc]
lea edi, [eax + 0x10]
mov dword [ebp + 0x3c], edi
mov eax, dword [edi - 4]
mov ecx, 1
sub ecx, eax
mov eax, dword [edi - 8]
sub eax, 0x104
or eax, ecx
mov dword [ebp + 0x74], ebx
jge 0x44ad75
push 0x104
lea ecx, [ebp + 0x3c]
call fcn.00401260
mov edi, dword [ebp + 0x3c]
call fcn.0046f713
mov eax, dword [eax + 8]
push 0x104
push edi
push eax
call dword [sym.imp.KERNEL32.dll_GetModuleFileNameA]
cmp edi, ebx
jne 0x44ad92
xor eax, eax
jmp 0x44ada6
mov eax, edi
lea edx, [eax + 1]
mov cl, byte [eax]
inc eax
test cl, cl
jne 0x44ad97
sub eax, edx
js 0x44b19a
cmp eax, dword [edi - 8]
jg 0x44b19a
mov dword [edi - 0xc], eax
push 0x100000
mov byte [eax + edi], 0
call fcn.0046b365
push 0x100000
mov dword [ebp + 0x54], eax
call fcn.0046b365
add esp, 8
push ebx
push ebx
push 3
push ebx
push 3
push 0x80000000
push edi
mov dword [ebp + 0x44], eax
call dword [sym.imp.KERNEL32.dll_CreateFileA]
mov ebx, eax
cmp ebx, 0xffffffff
je 0x44ae21
push 0
push ebx
call dword [sym.imp.KERNEL32.dll_GetFileSize]
cmp eax, 0x100000
mov dword [ebp + 0x58], eax
jbe 0x44ae08
mov eax, 0x100000
mov dword [ebp + 0x58], eax
mov edx, dword [ebp + 0x54]
push 0
lea ecx, [ebp + 0x58]
push ecx
push eax
push edx
push ebx
call dword [sym.imp.KERNEL32.dll_ReadFile]
push ebx
call dword [sym.imp.KERNEL32.dll_CloseHandle]
lea ecx, [ebp - 0x1c]
call fcn.004139c0
mov eax, dword [ebp + 0x1c]
xor ebx, ebx
push ebx
mov dword [ebp + 0x30], eax
call fcn.00457499
push eax
call fcn.0045746a
mov eax, dword [0x4cf8c8]
add esp, 8
cmp eax, ebx
mov dword [ebp + 0x64], ebx
mov dword [ebp + 0x68], ebx
mov dword [ebp + 0x5c], ebx
mov dword [ebp + 0x60], ebx
mov dword [ebp + 0x58], ebx
jne 0x44ae9d
cmp dword [0x4cf8cc], ebx
jne 0x44ae9d
lea ecx, [ebp - 0x1c]
call fcn.0040dc50
add edi, 0xfffffff0
mov dword [ebp + 0x74], 0xffffffff
lea ecx, [edi + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x44ae89
mov ecx, dword [edi]
mov eax, dword [ecx]
push edi
call dword [eax + 4]
mov ecx, dword [ebp + 0x6c]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
add ebp, 0x78
mov esp, ebp
pop ebp
ret
call dword [sym.imp.KERNEL32.dll_GetTickCount]
mov ecx, dword [ebp + 0x54]
mov edx, dword [ebp + 0x44]
mov dword [ebp + 0x28], eax
mov dword [ebp + 0x48], ecx
mov dword [ebp + 0x40], edx
call fcn.00457477
movzx bx, al
call fcn.00457477
mov bh, al
mov ax, bx
test ax, ax
mov word [ebp + 0x20], ax
je 0x44b067
lea eax, [ebp + 0x4c]
push eax
call dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
mov edi, dword [ebp + 0x64]
mov ecx, dword [ebp + 0x4c]
mov esi, dword [ebp + 0x68]
mov edx, dword [ebp + 0x50]
sub edi, ecx
sbb esi, edx
mov dword [ebp + 0x64], edi
mov dword [ebp + 0x68], esi
movzx eax, word [ebp + 0x20]
push eax
mov ebx, dword [ebp + 0x30]
xor edx, edx
mov dh, al
lea esi, [ebx + edx*2]
mov edx, 0x10000
mov dl, ah
lea edi, [ebx + edx*2]
lea edx, [ebp - 0x101c]
mov ecx, 0x100
jmp 0x44af20
movzx eax, word [esi]
lea esi, [esi + 2]
xor ax, word [edi]
lea edi, [edi + 0x200]
mov dword [edx], eax
shl eax, 0x10
mov dword [edx + 0x400], eax
lea edx, [edx + 4]
dec ecx
jne 0x44af20
pop eax
mov edx, 0x10000
mov dh, al
lea esi, [ebx + edx*2]
mov edx, 0x20000
mov dh, ah
lea edi, [ebx + edx*2]
lea edx, [ebp - 0x81c]
mov ecx, 0x100
movzx eax, word [esi]
lea esi, [esi + 2]
xor ax, word [edi]
lea edi, [edi + 2]
mov dword [edx], eax
shl eax, 0x10
mov dword [edx + 0x400], eax
lea edx, [edx + 4]
dec ecx
jne 0x44af60
lea eax, [ebp + 0x4c]
push eax
call dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
mov eax, dword [ebp + 0x4c]
mov ebx, dword [ebp + 0x64]
mov ecx, dword [ebp + 0x50]
mov edi, dword [ebp + 0x68]
mov esi, dword [ebp + 0x5c]
mov edx, dword [ebp + 0x60]
add ebx, eax
adc edi, ecx
sub esi, eax
mov eax, dword [ebp + 0x48]
sbb edx, ecx
mov ecx, dword [ebp + 0x40]
mov dword [ebp + 0x2c], eax
add eax, 0x20000
mov dword [ebp + 0x64], ebx
mov dword [ebp + 0x68], edi
mov dword [ebp + 0x5c], esi
mov dword [ebp + 0x60], edx
mov dword [ebp + 0x24], eax
mov dword [ebp + 0x48], eax
mov dword [ebp + 0x34], ecx
mov esi, dword [ebp + 0x2c]
mov edi, dword [ebp + 0x34]
mov edx, dword [ebp + 0x48]
lea ecx, [ecx]
lodsd eax, dword [esi]
movzx ebx, al
movzx ecx, ah
mov bx, word [ebp + ebx*4 - 0x101c]
shr eax, 0x10
xor bx, word [ebp + ecx*4 - 0x81c]
movzx ecx, al
movzx eax, ah
xor ebx, dword [ebp + ecx*4 - 0xc1c]
xor ebx, dword [ebp + eax*4 - 0x41c]
xor dword [edi], ebx
add edi, 4
cmp esi, edx
jb 0x44afd0
lea edx, [ebp + 0x4c]
push edx
call dword [sym.imp.KERNEL32.dll_QueryPerformanceCounter]
mov eax, dword [ebp + 0x4c]
mov ebx, dword [ebp + 0x5c]
mov edi, dword [ebp + 0x60]
mov ecx, dword [ebp + 0x50]
mov edx, dword [ebp + 0x40]
mov esi, dword [ebp + 0x58]
add ebx, eax
mov eax, dword [ebp + 0x24]
adc edi, ecx
add edx, 0x20000
mov dword [ebp + 0x40], edx
mov edx, dword [ebp + 0x54]
inc esi
mov dword [ebp + 0x48], eax
add eax, 0x20000
add edx, 0x100000
cmp eax, edx
mov dword [ebp + 0x58], esi
mov esi, dword [ebp + 0x38]
mov dword [ebp + 0x5c], ebx
mov dword [ebp + 0x60], edi
jbe 0x44b067
mov ecx, dword [ebp + 0x54]
mov eax, dword [ebp + 0x44]
mov dword [ebp + 0x54], eax
mov dword [ebp + 0x44], ecx
mov dword [ebp + 0x48], eax
mov dword [ebp + 0x40], ecx
call dword [sym.imp.KERNEL32.dll_GetTickCount]
sub eax, dword [ebp + 0x28]
cmp eax, 0x64
jl 0x44aeb2
mov eax, dword [ebp + 0x68]
mov ecx, dword [ebp + 0x64]
push 0
push 0xf4240
push eax
push ecx
call fcn.00455aa0
mov ecx, dword [0x4cf8cc]
push ecx
mov ecx, dword [0x4cf8c8]
push ecx
push edx
push eax
call fcn.00455ae0
mov dword [ebp + 0x64], eax
mov eax, dword [ebp + 0x58]
mov dword [ebp + 0x68], edx
cdq
push 0
push 0xf4240
mov edi, edx
mov ebx, eax
push edi
push ebx
call fcn.00455aa0
mov ecx, dword [ebp + 0x68]
push ecx
mov ecx, dword [ebp + 0x64]
push ecx
push edx
push eax
call fcn.00457520
push 0
mov dword [ebp + 0x68], edx
mov edx, dword [ebp + 0x60]
push 0xf4240
mov dword [ebp + 0x64], eax
mov eax, dword [ebp + 0x5c]
push edx
push eax
call fcn.00455aa0
mov ecx, dword [0x4cf8cc]
push ecx
mov ecx, dword [0x4cf8c8]
push ecx
push edx
push eax
call fcn.00455ae0
push 0x1e
push 0x84800000
push edi
push ebx
mov dword [ebp + 0x5c], eax
mov dword [ebp + 0x60], edx
call fcn.00455aa0
mov ecx, dword [ebp + 0x60]
push ecx
mov ecx, dword [ebp + 0x5c]
push ecx
push edx
push eax
call fcn.00457520
mov ebx, edx
mov edx, dword [ebp + 0x54]
push edx
mov edi, eax
call fcn.0046b360
mov eax, dword [ebp + 0x44]
push eax
call fcn.0046b360
mov ecx, dword [ebp + 0x64]
mov edx, dword [ebp + 0x68]
mov dword [esi + 0xa8], ecx
add esp, 8
lea ecx, [ebp - 0x1c]
mov dword [esi + 0xac], edx
mov dword [esi + 0xb0], edi
mov dword [esi + 0xb4], ebx
call fcn.0040dc50
mov eax, dword [ebp + 0x3c]
mov dword [ebp + 0x74], 0xffffffff
add eax, 0xfffffff0
lea ecx, [eax + 0xc]
or edx, 0xffffffff
lock xadd dword [ecx], edx
dec edx
test edx, edx
jg 0x44ae89
mov ecx, dword [eax]
mov edx, dword [ecx]
push eax
call dword [edx + 4]
mov ecx, dword [ebp + 0x6c]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
add ebp, 0x78
mov esp, ebp
pop ebp
ret
push 0x80070057
call fcn.00401060
int3