diff --git a/src/main.cpp b/src/main.cpp
index 3105b89..e6b911b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -24,6 +24,7 @@
 
 #include "dynamic.h"
 #include "kernel.h"
+#include "utils/DirList.h"
 #include "utils/ElfUtils.h"
 #include "utils/logger.h"
 #include <coreinit/filesystem.h>
@@ -33,14 +34,11 @@
 #include <utils/StringTools.h>
 #include <vector>
 #include <vpad/input.h>
-#include <whb/log_udp.h>
 #include <whb/log_cafe.h>
-#include <whb/sdcard.h>
+#include <whb/log_udp.h>
 
 std::map<std::string, std::string> get_all_payloads(const char *relativefilepath);
 
-std::vector<std::string> readDirFull(const char *base_path, const char *path, FSCmdBlock &cmd, FSClient &client, int filter);
-
 std::string PayloadSelectionScreen(const std::map<std::string, std::string> &payloads);
 
 extern "C" void __init_wut();
@@ -96,6 +94,7 @@ extern "C" uint32_t start_wrapper(int argc, char **argv) {
 
     return entryPoint;
 }
+
 extern "C" int _start(int argc, char **argv) {
     uint32_t entryPoint = start_wrapper(argc, argv);
 
@@ -125,87 +124,34 @@ extern "C" int _start(int argc, char **argv) {
 
 std::map<std::string, std::string> get_all_payloads(const char *relativefilepath) {
     std::map<std::string, std::string> result;
-    const char *sdRootPath = "";
     std::vector<std::string> payload_folders;
     std::vector<std::string> files_inFolder;
-    bool clientAdded = false;
-    if (!WHBMountSdCard()) {
-        DEBUG_FUNCTION_LINE("Failed to mount SD Card...");
-        goto exit;
-    }
 
-    FSCmdBlock cmd;
-    FSClient client;
+    DirList dirList(std::string("fs:/vol/external01/") + relativefilepath, nullptr, DirList::Dirs, 1);
+    dirList.SortList();
 
-    sdRootPath = WHBGetSdCardMountPath();
+    for (int i = 0; i < dirList.GetFilecount(); i++) {
+        auto curDirName = dirList.GetFilename(i);
+        auto curPath    = dirList.GetFilepath(i);
+        DEBUG_FUNCTION_LINE("Reading path %s", curDirName);
 
-    FSAddClient(&client, FS_ERROR_FLAG_ALL);
-    clientAdded = true;
-
-    FSInitCmdBlock(&cmd);
-
-    payload_folders = readDirFull(sdRootPath, relativefilepath, cmd, client, 1);
-
-    for (auto &e : payload_folders) {
-        DEBUG_FUNCTION_LINE("Reading path %s", e.c_str());
-        files_inFolder = readDirFull(sdRootPath, e.c_str(), cmd, client, 2);
-
-        for (auto &child : files_inFolder) {
-            if (StringTools::EndsWith(child, "payload.elf")) {
-                std::vector<std::string> folders = StringTools::stringSplit(e, "/");
-                std::string folder_name          = e;
-                if (folders.size() > 1) {
-                    folder_name = folders.at(folders.size() - 1);
-                }
-
-                DEBUG_FUNCTION_LINE("%s is valid!", folder_name.c_str());
-                result[folder_name] = child;
-                break;
-            }
+        auto payloadPath = std::string(curPath) + "/payload.elf";
+        auto fd          = fopen(payloadPath.c_str(), "r");
+        if (fd) {
+            fclose(fd);
+            result[curDirName] = payloadPath;
         }
     }
 
-exit:
-    WHBUnmountSdCard();
-    if (clientAdded) {
-        FSDelClient(&client, FS_ERROR_FLAG_ALL);
-    }
     return result;
 }
 
-std::vector<std::string> readDirFull(const char *base_path, const char *path, FSCmdBlock &cmd, FSClient &client, int filter) {
-    std::string full_dir_path = StringTools::strfmt("%s/%s", base_path, path);
-    FSStatus status;
-    FSDirectoryHandle handle;
-    std::vector<std::string> result;
-    if (FSOpenDir(&client, &cmd, full_dir_path.c_str(), &handle, FS_ERROR_FLAG_ALL) == FS_STATUS_OK) {
-        FSDirectoryEntry entry;
-        while (true) {
-            status = FSReadDir(&client, &cmd, handle, &entry, FS_ERROR_FLAG_ALL);
-            if (status < 0) {
-                break;
-            }
-            std::string filepath = StringTools::strfmt("%s/%s", path, entry.name);
-
-            if (entry.info.flags & FS_STAT_DIRECTORY && filter <= 1) {
-                result.push_back(filepath);
-            } else if (filter == 0 || filter == 2) {
-                result.push_back(filepath);
-            }
-        }
-    } else {
-        DEBUG_FUNCTION_LINE("Failed to open dir %s", path);
-    }
-    return result;
-}
-
-
 std::string PayloadSelectionScreen(const std::map<std::string, std::string> &payloads) {
     // Init screen and screen buffers
     OSScreenInit();
     uint32_t screen_buf0_size = OSScreenGetBufferSizeEx(SCREEN_TV);
     uint32_t screen_buf1_size = OSScreenGetBufferSizeEx(SCREEN_DRC);
-    uint8_t *screenBuffer     = (uint8_t *) memalign(0x100, screen_buf0_size + screen_buf1_size);
+    auto *screenBuffer        = (uint8_t *) memalign(0x100, screen_buf0_size + screen_buf1_size);
     OSScreenSetBufferEx(SCREEN_TV, (void *) screenBuffer);
     OSScreenSetBufferEx(SCREEN_DRC, (void *) (screenBuffer + screen_buf0_size));
 
diff --git a/src/utils/DirList.cpp b/src/utils/DirList.cpp
new file mode 100644
index 0000000..1b13235
--- /dev/null
+++ b/src/utils/DirList.cpp
@@ -0,0 +1,218 @@
+/****************************************************************************
+ * Copyright (C) 2010
+ * by Dimok
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any
+ * damages arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any
+ * purpose, including commercial applications, and to alter it and
+ * redistribute it freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you
+ * must not claim that you wrote the original software. If you use
+ * this software in a product, an acknowledgment in the product
+ * documentation would be appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and
+ * must not be misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ * DirList Class
+ * for WiiXplorer 2010
+ ***************************************************************************/
+#include <algorithm>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <string>
+#include <strings.h>
+#include <sys/dirent.h>
+#include <sys/stat.h>
+
+#include "DirList.h"
+#include "StringTools.h"
+
+DirList::DirList() {
+    Flags  = 0;
+    Filter = 0;
+    Depth  = 0;
+}
+
+DirList::DirList(const std::string &path, const char *filter, uint32_t flags, uint32_t maxDepth) {
+    this->LoadPath(path, filter, flags, maxDepth);
+    this->SortList();
+}
+
+DirList::~DirList() {
+    ClearList();
+}
+
+BOOL DirList::LoadPath(const std::string &folder, const char *filter, uint32_t flags, uint32_t maxDepth) {
+    if (folder.empty())
+        return false;
+
+    Flags  = flags;
+    Filter = filter;
+    Depth  = maxDepth;
+
+    std::string folderpath(folder);
+    uint32_t length = folderpath.size();
+
+    //! clear path of double slashes
+    StringTools::RemoveDoubleSlashs(folderpath);
+
+    //! remove last slash if exists
+    if (length > 0 && folderpath[length - 1] == '/')
+        folderpath.erase(length - 1);
+
+    //! add root slash if missing
+    if (folderpath.find('/') == std::string::npos) {
+        folderpath += '/';
+    }
+
+    return InternalLoadPath(folderpath);
+}
+
+BOOL DirList::InternalLoadPath(std::string &folderpath) {
+    if (folderpath.size() < 3)
+        return false;
+
+    struct dirent *dirent = nullptr;
+    DIR *dir              = nullptr;
+
+    dir = opendir(folderpath.c_str());
+    if (dir == nullptr)
+        return false;
+
+    while ((dirent = readdir(dir)) != 0) {
+        BOOL isDir           = dirent->d_type & DT_DIR;
+        const char *filename = dirent->d_name;
+
+        if (isDir) {
+            if (strcmp(filename, ".") == 0 || strcmp(filename, "..") == 0)
+                continue;
+
+            if ((Flags & CheckSubfolders) && (Depth > 0)) {
+                int32_t length = folderpath.size();
+                if (length > 2 && folderpath[length - 1] != '/') {
+                    folderpath += '/';
+                }
+                folderpath += filename;
+
+                Depth--;
+                InternalLoadPath(folderpath);
+                folderpath.erase(length);
+                Depth++;
+            }
+
+            if (!(Flags & Dirs))
+                continue;
+        } else if (!(Flags & Files)) {
+            continue;
+        }
+
+        if (Filter) {
+            char *fileext = strrchr(filename, '.');
+            if (!fileext)
+                continue;
+
+            if (StringTools::strtokcmp(fileext, Filter, ",") == 0)
+                AddEntrie(folderpath, filename, isDir);
+        } else {
+            AddEntrie(folderpath, filename, isDir);
+        }
+    }
+    closedir(dir);
+
+    return true;
+}
+
+void DirList::AddEntrie(const std::string &filepath, const char *filename, BOOL isDir) {
+    if (!filename)
+        return;
+
+    int32_t pos = FileInfo.size();
+
+    FileInfo.resize(pos + 1);
+
+    FileInfo[pos].FilePath = (char *) malloc(filepath.size() + strlen(filename) + 2);
+    if (!FileInfo[pos].FilePath) {
+        FileInfo.resize(pos);
+        return;
+    }
+
+    sprintf(FileInfo[pos].FilePath, "%s/%s", filepath.c_str(), filename);
+    FileInfo[pos].isDir = isDir;
+}
+
+void DirList::ClearList() {
+    for (uint32_t i = 0; i < FileInfo.size(); ++i) {
+        if (FileInfo[i].FilePath) {
+            free(FileInfo[i].FilePath);
+            FileInfo[i].FilePath = nullptr;
+        }
+    }
+
+    FileInfo.clear();
+    std::vector<DirEntry>().swap(FileInfo);
+}
+
+const char *DirList::GetFilename(int32_t ind) const {
+    if (!valid(ind))
+        return "";
+
+    return StringTools::FullpathToFilename(FileInfo[ind].FilePath);
+}
+
+static BOOL SortCallback(const DirEntry &f1, const DirEntry &f2) {
+    if (f1.isDir && !(f2.isDir))
+        return true;
+    if (!(f1.isDir) && f2.isDir)
+        return false;
+
+    if (f1.FilePath && !f2.FilePath)
+        return true;
+    if (!f1.FilePath)
+        return false;
+
+    if (strcasecmp(f1.FilePath, f2.FilePath) > 0)
+        return false;
+
+    return true;
+}
+
+void DirList::SortList() {
+    if (FileInfo.size() > 1)
+        std::sort(FileInfo.begin(), FileInfo.end(), SortCallback);
+}
+
+void DirList::SortList(BOOL (*SortFunc)(const DirEntry &a, const DirEntry &b)) {
+    if (FileInfo.size() > 1)
+        std::sort(FileInfo.begin(), FileInfo.end(), SortFunc);
+}
+
+uint64_t DirList::GetFilesize(int32_t index) const {
+    struct stat st;
+    const char *path = GetFilepath(index);
+
+    if (!path || stat(path, &st) != 0)
+        return 0;
+
+    return st.st_size;
+}
+
+int32_t DirList::GetFileIndex(const char *filename) const {
+    if (!filename)
+        return -1;
+
+    for (uint32_t i = 0; i < FileInfo.size(); ++i) {
+        if (strcasecmp(GetFilename(i), filename) == 0)
+            return i;
+    }
+
+    return -1;
+}
diff --git a/src/utils/DirList.h b/src/utils/DirList.h
new file mode 100644
index 0000000..3cc62e1
--- /dev/null
+++ b/src/utils/DirList.h
@@ -0,0 +1,122 @@
+/****************************************************************************
+ * Copyright (C) 2010
+ * by Dimok
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any
+ * damages arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any
+ * purpose, including commercial applications, and to alter it and
+ * redistribute it freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you
+ * must not claim that you wrote the original software. If you use
+ * this software in a product, an acknowledgment in the product
+ * documentation would be appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and
+ * must not be misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ * distribution.
+ *
+ * DirList Class
+ * for WiiXplorer 2010
+ ***************************************************************************/
+#ifndef ___DIRLIST_H_
+#define ___DIRLIST_H_
+
+#include <string>
+#include <vector>
+#include <wut_types.h>
+
+typedef struct {
+    char *FilePath;
+    BOOL isDir;
+} DirEntry;
+
+class DirList {
+public:
+    //!Constructor
+    DirList(void);
+
+    //!\param path Path from where to load the filelist of all files
+    //!\param filter A fileext that needs to be filtered
+    //!\param flags search/filter flags from the enum
+    DirList(const std::string &path, const char *filter = nullptr, uint32_t flags = Files | Dirs, uint32_t maxDepth = 0xffffffff);
+
+    //!Destructor
+    virtual ~DirList();
+
+    //! Load all the files from a directory
+    BOOL LoadPath(const std::string &path, const char *filter = nullptr, uint32_t flags = Files | Dirs, uint32_t maxDepth = 0xffffffff);
+
+    //! Get a filename of the list
+    //!\param list index
+    const char *GetFilename(int32_t index) const;
+
+    //! Get the a filepath of the list
+    //!\param list index
+    const char *GetFilepath(int32_t index) const {
+        if (!valid(index))
+            return "";
+        else
+            return FileInfo[index].FilePath;
+    }
+
+    //! Get the a filesize of the list
+    //!\param list index
+    uint64_t GetFilesize(int32_t index) const;
+
+    //! Is index a dir or a file
+    //!\param list index
+    BOOL IsDir(int32_t index) const {
+        if (!valid(index))
+            return false;
+        return FileInfo[index].isDir;
+    };
+
+    //! Get the filecount of the whole list
+    int32_t GetFilecount() const {
+        return FileInfo.size();
+    };
+
+    //! Sort list by filepath
+    void SortList();
+
+    //! Custom sort command for custom sort functions definitions
+    void SortList(BOOL (*SortFunc)(const DirEntry &a, const DirEntry &b));
+
+    //! Get the index of the specified filename
+    int32_t GetFileIndex(const char *filename) const;
+
+    //! Enum for search/filter flags
+    enum {
+        Files           = 0x01,
+        Dirs            = 0x02,
+        CheckSubfolders = 0x08,
+    };
+
+protected:
+    // Internal parser
+    BOOL InternalLoadPath(std::string &path);
+
+    //!Add a list entrie
+    void AddEntrie(const std::string &filepath, const char *filename, BOOL isDir);
+
+    //! Clear the list
+    void ClearList();
+
+    //! Check if valid pos is requested
+    inline BOOL valid(uint32_t pos) const {
+        return (pos < FileInfo.size());
+    };
+
+    uint32_t Flags;
+    uint32_t Depth;
+    const char *Filter;
+    std::vector<DirEntry> FileInfo;
+};
+
+#endif
diff --git a/src/utils/ElfUtils.c b/src/utils/ElfUtils.c
index 7b5ba9e..d905747 100644
--- a/src/utils/ElfUtils.c
+++ b/src/utils/ElfUtils.c
@@ -1,43 +1,68 @@
-#include <stdio.h>
-#include <string.h>
-
+#include "utils/logger.h"
 #include <coreinit/cache.h>
 #include <coreinit/debug.h>
 #include <coreinit/memdefaultheap.h>
+#include <fcntl.h>
+#include <malloc.h>
 #include <stdbool.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
 #include <utils/logger.h>
-#include <whb/file.h>
-#include <whb/log.h>
-#include <whb/sdcard.h>
 
 #include "elf_abi.h"
 
-int32_t LoadFileToMem(const char *relativefilepath, char **fileOut, uint32_t *sizeOut) {
-    char path[256];
-    int result             = 0;
-    const char *sdRootPath = "";
-    if (!WHBMountSdCard()) {
-        DEBUG_FUNCTION_LINE("Failed to mount SD Card...");
-        result = -1;
-        goto exit;
+int32_t LoadFileToMem(const char *filepath, uint8_t **inbuffer, uint32_t *size) {
+    //! always initialze input
+    *inbuffer = NULL;
+    if (size) {
+        *size = 0;
     }
 
-    sdRootPath = WHBGetSdCardMountPath();
-    sprintf(path, "%s/%s", sdRootPath, relativefilepath);
-
-    DEBUG_FUNCTION_LINE("Loading file %s.", path);
-
-    *fileOut = WHBReadWholeFile(path, sizeOut);
-    if (!(*fileOut)) {
-        result = -2;
-        DEBUG_FUNCTION_LINE("WHBReadWholeFile(%s) returned NULL", path);
-        goto exit;
+    int32_t iFd = open(filepath, O_RDONLY);
+    if (iFd < 0) {
+        return -1;
     }
 
-exit:
-    WHBUnmountSdCard();
-    WHBDeInitFileSystem();
-    return result;
+    uint32_t filesize = lseek(iFd, 0, SEEK_END);
+    lseek(iFd, 0, SEEK_SET);
+
+    uint8_t *buffer = (uint8_t *) memalign(0x40, (filesize + 0x3F) & ~(0x3F));
+    if (buffer == NULL) {
+        close(iFd);
+        return -2;
+    }
+
+    uint32_t blocksize = 0x20000;
+    uint32_t done      = 0;
+    int32_t readBytes  = 0;
+
+    while (done < filesize) {
+        if (done + blocksize > filesize) {
+            blocksize = filesize - done;
+        }
+        readBytes = read(iFd, buffer + done, blocksize);
+        if (readBytes <= 0)
+            break;
+        done += readBytes;
+    }
+
+    close(iFd);
+
+    if (done != filesize) {
+        free(buffer);
+        buffer = NULL;
+        return -3;
+    }
+
+    *inbuffer = buffer;
+
+    //! size is optional input
+    if (size) {
+        *size = filesize;
+    }
+
+    return filesize;
 }
 
 static void InstallMain(void *data_elf);
@@ -49,7 +74,7 @@ static unsigned int get_section(void *data, const char *name, unsigned int *size
 uint32_t load_loader_elf_from_sd(unsigned char *baseAddress, const char *relativePath) {
     char *elf_data    = NULL;
     uint32_t fileSize = 0;
-    if (LoadFileToMem(relativePath, &elf_data, &fileSize) != 0) {
+    if (LoadFileToMem(relativePath, &elf_data, &fileSize) < 0) {
         return 0;
     }
 
@@ -62,7 +87,7 @@ uint32_t load_loader_elf_from_sd(unsigned char *baseAddress, const char *relativ
 
     uint32_t res = ehdr->e_entry;
 
-    MEMFreeToDefaultHeap((void *) elf_data);
+    free((void *) elf_data);
 
     return res;
 }
diff --git a/src/utils/ElfUtils.h b/src/utils/ElfUtils.h
index 0dbe83f..b5cc87c 100644
--- a/src/utils/ElfUtils.h
+++ b/src/utils/ElfUtils.h
@@ -2,5 +2,5 @@
 
 #include <cstdint>
 
-extern "C" int32_t LoadFileToMem(const char *relativefilepath, char **fileOut, uint32_t *sizeOut);
-extern "C" uint32_t load_loader_elf_from_sd(unsigned char *baseAddress, const char *relativePath);
+extern "C" int32_t LoadFileToMem(const char *filepath, uint8_t **inbuffer, uint32_t *size);
+extern "C" uint32_t load_loader_elf_from_sd(unsigned char *baseAddress, const char *relativePath);
\ No newline at end of file