I would suggest running the Latest McAfee Getsusp.(Please remember to add your Email address under "Preferences" before scanning. Then run McAfee Stinger( Read how to use). Then I would follow up with Malwarebytes (Free). To keep it (Free), DO NOT accept Free trial offer/or activate.
These Superb Tools and more can be obtained in the following link: Anti-Spyware/Malware & Hijacker Tools
If indeed it is the case you are infected, it would not hurt to run McAfee Rootkit Remover as well. (Read how to use) Best to (Right Click) on the Program and run as Administrator.
All the best,
Are they prefixed by ~$? if so could they be temp files created by word.
Good Point PK, also could be that "Show Formatting" is enabled? Just stabbing in the dark here.
Haven't word just did a google search
As a precaution I moved this from Consumer to Malware Discussion > Home User Assistance.
what evidence or facts do you have which leads you to believe this is the act of a virus?