.. /.Arj

File archive compressed by ARJ, a file archiver program that uses Robert Jung compression; includes long filename support, file version management, data integrity protection, and multiple volume archives. They are capable of transferring malicious executables & can be used by attackers to bypass file filters and evade antivirus and other security controls.

After validating business usage, block the download and execution of arj archive files on email & web gateways and . Whitelist as required.