Antivirus software and resources for DOS.
From Kaspersky, a list of file viruses and their accompanying descriptions infected DOS-related files.
AVDisk provides a simple means of creating rescue disks for F-Prot and AVP (Kaspersky) users. Requires PKZip for DOS, which can be downloaded from the same location.
From Steve Gibson, a free utility to recover data lost due to CIH infection.
F-Prot Antivirus for DOS is a classic. An ideal second opinion scanner (or as a must-have tool for cleansing boot sector infections), F-Prot Antivirus for DOS is free for personal use.
Avira command line scanner for Windows 2000, XP, and Vista.
Proland's DOS version checks the boot sector and the partition table when the computer is re-booted. If an infection is detected, the boot sector and the partition table are rebuilt.
Sophos provides emergency antivirus protection for DOS users. Supports both FAT and FAT32 file systems.
For obvious reasons, this resource on DOS viruses hasn't been updated since Sept. 98. Still, a good source for DOS virus information.