Function at 0x4c5300
Capabilities:
Encode data using base64
Hash data with md5

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x539cbe
mov eax, dword fs:[0]
push eax
mov eax, 0x114c
call fcn.00520250
mov eax, dword [0x58a87c]
xor eax, ebp
mov dword [ebp - 0x10], eax
push esi
push edi
push eax
lea eax, [ebp - 0xc]
mov dword fs:[0], eax
mov eax, dword [ebp + 8]
lea ecx, [ebp - 0x10e0]
mov esi, dword [ebp + 0xc]
mov edi, dword [ebp + 0x10]
mov dword [ebp - 0x1158], eax
mov dword [ebp - 0x1150], eax
mov dword [ebp - 0x1140], esi
mov dword [ebp - 0x1154], 0
call fcn.004c50f0
mov dword [ebp - 4], 1
xorps xmm0, xmm0
mov ecx, edi
movlpd qword [ebp - 0x10a0], xmm0
call fcn.00406d60
test al, al
jne 0x4c54c5
push 0x55cc20
lea ecx, [ebp - 0x30]
call fcn.00406e70
mov byte [ebp - 4], 2
lea eax, [ebp - 0x30]
push eax
call fcn.0042cfd0
mov ecx, eax
call fcn.0042d090
mov esi, eax
mov dword [ebp - 0x1144], esi
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x30]
call fcn.00406de0
test esi, esi
je 0x4c54bf
push 0x55d118
push esi
mov esi, dword [sym.imp.KERNEL32.dll_GetProcAddress]
call esi
push str.RegQueryInfoKeyW
push dword [ebp - 0x1144]
mov dword [ebp - 0x14], eax
call esi
push 0x55d13c
push dword [ebp - 0x1144]
mov dword [ebp - 0x1148], eax
call esi
cmp dword [ebp - 0x14], 0
mov dword [ebp - 0x1144], eax
je 0x4c54bf
mov esi, dword [ebp - 0x1148]
test esi, esi
je 0x4c54bf
test eax, eax
je 0x4c54bf
push 0x1000
lea eax, [ebp - 0x1098]
push 0
push eax
call fcn.004f1ee0
add esp, 0xc
mov ecx, edi
push 0
call fcn.004124b0
mov ecx, edi
cmp word [eax], 0x2e
jne 0x4c544a
call fcn.00406d70
push eax
push str.SoftwareMicrosoftWindowsCurrentVersionExplorerFileExts_sUserChoice
jmp 0x4c5455
call fcn.00406d70
push eax
push str.SoftwareMicrosoftWindowsShellAssociationsUrlAssociations_sUserChoice
lea eax, [ebp - 0x1098]
push eax
call fcn.004c5840
add esp, 0xc
mov dword [ebp - 0x113c], 0
lea eax, [ebp - 0x113c]
push eax
push 0x20019
push 0
lea eax, [ebp - 0x1098]
push eax
push SysReAllocString
call dword [ebp - 0x14]
mov eax, dword [ebp - 0x113c]
test eax, eax
je 0x4c54bf
lea ecx, [ebp - 0x10a0]
push ecx
push 0
push 0
push 0
push 0
push 0
push 0
push 0
push 0
push 0
push 0
push eax
call esi
push dword [ebp - 0x113c]
call dword [ebp - 0x1144]
mov esi, dword [ebp - 0x1140]
lea eax, [ebp - 0x10b0]
xorps xmm0, xmm0
push eax
lea eax, [ebp - 0x10a0]
push eax
movups xmmword [ebp - 0x10b0], xmm0
call dword [sym.imp.KERNEL32.dll_FileTimeToSystemTime]
xor eax, eax
mov dword [ebp - 0x10a4], eax
lea eax, [ebp - 0x10a0]
push eax
lea eax, [ebp - 0x10b0]
push eax
call dword [sym.imp.KERNEL32.dll_SystemTimeToFileTime]
mov eax, dword [0x5902dc]
test al, 1
jne 0x4c552a
or eax, 1
mov dword [0x5902dc], eax
mov byte [ebp - 4], 3
call fcn.004c4f50
push 0x5430c0
call fcn.004ef42d
add esp, 4
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x10c8]
call fcn.00406eb0
mov byte [ebp - 4], 4
lea eax, [ebp - 0x10c8]
push eax
push ecx
push esi
push edi
lea edx, [ebp - 0x10a0]
lea ecx, [ebp - 0x10e0]
call fcn.004c5230
add esp, 0x10
mov dword [ebp - 0x1138], 0
xorps xmm0, xmm0
mov dword [ebp - 0x1134], 0
lea ecx, [ebp - 0x10c8]
mov dword [ebp - 0x1130], 0x67452301
mov dword [ebp - 0x112c], 0xefcdab89
mov dword [ebp - 0x1128], 0x98badcfe
mov dword [ebp - 0x1124], 0x10325476
movups xmmword [ebp - 0x38], xmm0
movups xmmword [ebp - 0x28], xmm0
call fcn.00403750
mov esi, eax
mov edx, esi
cmp dword [esi + 0x14], 8
mov eax, dword [esi + 0x10]
lea eax, [eax*2 + 2]
mov dword [ebp - 0x1148], eax
jb 0x4c55c5
mov edx, dword [esi]
push eax
lea ecx, [ebp - 0x1138]
call fcn.004c4360
mov ecx, dword [ebp - 0x1138]
mov eax, 0x78
shr ecx, 3
mov edi, 0x38
and ecx, 0x3f
add esp, 4
sub eax, ecx
sub edi, ecx
cmp ecx, 0x38
lea ecx, [ebp - 0x1137]
cmovae edi, eax
xor edx, edx
nop dword [eax]
mov al, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x18], al
mov al, byte [ecx - 4]
mov byte [ebp + edx - 0x17], al
mov al, byte [ecx - 3]
mov byte [ebp + edx - 0x16], al
mov al, byte [ecx - 2]
mov byte [ebp + edx - 0x15], al
add edx, 4
cmp edx, 8
jb 0x4c5600
push edi
mov edx, 0x58cc80
lea ecx, [ebp - 0x1138]
call fcn.004c4360
push 8
lea edx, [ebp - 0x18]
lea ecx, [ebp - 0x1138]
call fcn.004c4360
add esp, 8
lea ecx, [ebp - 0x112f]
xor edx, edx
mov al, byte [ecx - 1]
lea ecx, [ecx + 4]
mov byte [ebp + edx - 0x38], al
mov al, byte [ecx - 4]
mov byte [ebp + edx - 0x37], al
mov al, byte [ecx - 3]
mov byte [ebp + edx - 0x36], al
mov al, byte [ecx - 2]
mov byte [ebp + edx - 0x35], al
add edx, 4
cmp edx, 0x10
jb 0x4c5653
cmp dword [esi + 0x14], 8
xorps xmm0, xmm0
movlpd qword [ebp - 0x50], xmm0
movlpd qword [ebp - 0x48], xmm0
movlpd qword [ebp - 0x40], xmm0
jb 0x4c5694
mov esi, dword [esi]
mov eax, dword [ebp - 0x1148]
mov ecx, esi
shr eax, 2
test al, 1
lea edi, [eax - 1]
cmove edi, eax
lea eax, [ebp - 0x18]
push eax
lea eax, [ebp - 0x38]
mov edx, edi
push eax
call fcn.004c4b80
add esp, 8
test al, al
je 0x4c57e8
lea eax, [ebp - 0x114c]
mov edx, edi
push eax
lea eax, [ebp - 0x38]
mov ecx, esi
push eax
call fcn.004c4d60
add esp, 8
test al, al
je 0x4c57e8
mov eax, dword [ebp - 0x114c]
xor eax, dword [ebp - 0x18]
mov dword [ebp - 0x58], eax
mov eax, dword [ebp - 0x1148]
xor eax, dword [ebp - 0x14]
push 0x40
mov dword [ebp - 0x54], eax
lea eax, [ebp - 0x98]
push 0
push eax
call fcn.004f1ee0
add esp, 0xc
xor edi, edi
xor esi, esi
mov dword [ebp - 0x113c], esi
mov cl, byte [ebp + edi - 0x58]
lea eax, [edi + 1]
cmp eax, 8
jb 0x4c5725
xor dl, dl
jmp 0x4c5729
mov dl, byte [ebp + edi - 0x57]
cmp eax, 8
sbb eax, eax
neg eax
inc eax
add edi, eax
cmp edi, 8
jb 0x4c573c
xor dh, dh
jmp 0x4c5741
mov dh, byte [ebp + edi - 0x58]
inc edi
movzx ecx, cl
mov eax, ecx
and ecx, 3
shr eax, 2
shl ecx, 4
movsx eax, byte [eax + 0x55a2e0]
mov word [ebp + esi*2 - 0x98], ax
movzx esi, dl
mov eax, esi
movzx edx, dh
shr eax, 4
and esi, 0xf
or eax, ecx
shl esi, 2
mov ecx, dword [ebp - 0x113c]
movsx eax, byte [eax + 0x55a2e0]
mov word [ebp + ecx*2 - 0x96], ax
mov eax, edx
and eax, 0x3f
shr edx, 6
or edx, esi
mov esi, dword [ebp - 0x113c]
movsx eax, byte [eax + 0x55a2e0]
movzx ecx, ax
movsx eax, byte [edx + 0x55a2e0]
mov word [ebp + esi*2 - 0x94], ax
mov word [ebp + esi*2 - 0x92], cx
add esi, 4
mov dword [ebp - 0x113c], esi
cmp edi, 8
jb 0x4c5715
mov dword [ebp + esi*2 - 0x9a], 0x3d
mov ecx, dword [ebp - 0x1150]
lea eax, [ebp - 0x98]
push eax
call fcn.00406e70
jmp 0x4c57f3
mov ecx, dword [ebp - 0x1150]
call fcn.00406eb0
mov dword [ebp - 0x1154], 1
mov byte [ebp - 4], 1
lea ecx, [ebp - 0x10c8]
call fcn.00406de0
mov byte [ebp - 4], 0
lea ecx, [ebp - 0x10e0]
call fcn.00406de0
mov eax, dword [ebp - 0x1150]
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop ecx
pop edi
pop esi
mov ecx, dword [ebp - 0x10]
xor ecx, ebp
call fcn.004ef136
mov esp, ebp
pop ebp
ret 0xc