F-Prot — Antivirus scanner and disinfectant (no longer available for dos)Download F-Prot Antivirus for DOS: http://files.f-prot.com/files/dos/f-prot.zip (backup link)
Extract the archive into a directory, then download and extract the antivirus signatures. When extracting overwrite or update the existing builtin F-Prot signature files.
Press Enter on SCAN menu then with the arrow keys Change Action: to Automatic disinfection and Files to Attempt to identify files. Then press START.
RHBVS (ROSE SWE's Heuristic Based Virus Scanner)
http://www.cfg2html.com/rose_swe/
Kaspersky Antivirus - resque disk
https://support.kaspersky.com/viruses/rescuedisk#downloads
DR.Web rescue disk:
http://www.freedrweb.com/livedisk/