Immunet (PC)
For personally owned computers, the free online Immunet anti-virus software is recommended.
Sophos & Avast (Mac)
For personally owned Mac computers, the free online Sophos or Avast anti-virus software is recommended.
Ad-hoc Analysis
If you want to take a closer look at a suspicious file to determine if it might be malicious, you might consider using VirusTotal.  VirusTotal offers various tools and integrations for analyzing potentially malicious files, URLs, hashes, etc.

Faculty & Staff

The ISO provides anti-virus protection for Windows, Mac and Linux systems owned by the University of Texas at Austin. Please contact your local IT Support Staff for help setting up your computer.
AMP - Advanced Malware Protection (PC | Mac | Linux)
AMP can be used on university-owned systems at no cost. AMP is available for the Windows, Mac and Linux operating systems. The Information Security Office considers AMP one of the most effective malware protection tools on the market and has seen marked improvement from campus units that have deployed it.