UPX: Ultimate Packer for Executables Packers

UPX is a tool that is used to compress and encrypt executables in order to make them smaller and more difficult to reverse engineer. UPX is free to use, portable, and can be extended with additional features. It is known for its high performance and compatibility with a wide range of executable formats. UPX is commonly used by software developers …

Anti-UPX Unpacking Others

Anti-UPX Unpacking is the technique to prevent malware from being unpacked by tools like UPX. UPX packed binary indicates that the section names starting with UPX followed by a number (UPX0 and UPX1) and the string “UPX!” at the end of the PE header. This UPX reference structure is located at the end of the PE header and the header …

MPRESS Packers

MPRESS is a free packer. It makes programs and libraries smaller, and decrease start time when the application loaded from a slow removable media or from the network.

It uses in-place decompression technique, which allows to decompress the executable without memory overhead or other drawbacks; it also protects programs against reverse engineering by non-professional hackers. Programs compressed with MPRESS …

Alternate EXE Packer Packers

EXE Packer is able to compress executable files (type EXE) or DLL-files. Already compressed files may also be decompressed with this program. There exist 12 different levels for file-compression. This program is also able to create backups of the files that shall be compressed.

If a file is compressed the physical file-size is reduced on the respective device. A …

Themida Packers

Themida is a commercial known packer that embeds several features including anti-debugging, virtual machine emulation, encryption...

Anti-debugger techniques that detect/fool any kind of debugger
Anti-memory dumpers techniques for any Ring3 and Ring0 dumpers
Different encryption algorithms and keys in each protected application
Anti-API scanners techniques that avoids reconstruction …

MEW Packers

MEW is an EXE compression tool that was specifically designed to handle small files.

FSG Packers

The free, simple FSG software compresses both small and large files. While it is popular and commonly used to hide malware code, it is also relatively simple to unpack through a decompression loop that writes the data to the final destination.

Alienyze Packers

Alienyze is a software packer designed to compress executable files, allowing them to reduce the file size of their software as much as possible.

Anti-Debugger techniques that detect and fool present debuggers
Anti-VM techniques that detect sandbox & virtualized environments
Protection from disassemblers and software analysis tools
Hardware …

AsProtect Packers

ASProtect is a multifunctional EXE packing tool designed for software developers to protect 32-bit applications with in-built application copy protection system.

It includes software compression, provides protection methods and tools for software from unauthorized copying, analysis, disassemblers and debuggers.

ASProtect 32 also provides enhanced work with registration keys and the ability to create a single application that can …

hXOR Packer Packers

hXOR Packer is a PE (Portable Executable) packer with Huffman Compression and Xor encryption.

The unpacker will decompress and decrypt the packed PE and execute it directly from memory without needing any hard disk space to execute.

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