## Features

- Licensed under the GNU General Public License, Version 2
- POSIX compliant, portable
- Fast scanning
- Supports on-access scanning (Linux and FreeBSD only)
- Detects over 750.000 viruses, worms and trojans, including Microsoft Office macro viruses, mobile malware, and other threats
- Built-in bytecode interpreter allows the ClamAV signature writers to create and distribute very complex detection routines and remotely enhance the scanner's functionality
- Scans within archives and compressed files (also protects against archive bombs), built-in support includes:
  - Zip (including SFX)
  - RAR (including SFX)
  - 7Zip
  - ARJ (including SFX)
  - Tar
  - CPIO
  - Gzip
  - Bzip2
  - MS OLE2
  - MS Cabinet Files (including SFX)
  - MS CHM (Compiled HTML)
  - MS SZDD compression format
  - BinHex
  - SIS (SymbianOS packages)
  - AutoIt
  - InstallShield
- Supports Portable Executable (32/64-bit) files compressed or obfuscated with:
  - AsPack
  - UPX
  - FSG
  - Petite
  - PeSpin
  - NsPack
  - wwpack32
  - MEW
  - Upack
  - Y0da Cryptor
- Supports ELF and Mach-O files (both 32- and 64-bit)
- Supports almost all mail file formats
- Support for other special files/formats includes:
  - HTML
  - RTF
  - PDF
  - Files encrypted with CryptFF and ScrEnc
  - uuencode
  - TNEF (winmail.dat)
- Advanced database updater with support for scripted updates, digital signatures and DNS based database version queries