Thanks for the quick reply!
I tried it and it seems like it was a false positive. (FYI, results are below).
Interestingly, AVG v. 386 (I guess that's the Pro version?) also did not show it as a virus.
What a relief. Guess I'll continue using Avast
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Antivirus Version Update Result
AntiVir 7.2.0.46 11.27.2006 no virus found
Authentium 4.93.8 11.24.2006 no virus found
Avast 4.7.892.0 11.23.2006 no virus found
AVG 386 11.27.2006 no virus found
BitDefender 7.2 11.27.2006 no virus found
CAT-QuickHeal 8.00 11.25.2006 no virus found
ClamAV devel-20060426 11.27.2006 no virus found
DrWeb 4.33 11.27.2006 no virus found
eSafe 7.0.14.0 11.26.2006 no virus found
eTrust-InoculateIT 23.73.68 11.27.2006 no virus found
eTrust-Vet 30.3.3217 11.27.2006 no virus found
Ewido 4.0 11.26.2006 no virus found
Fortinet 2.82.0.0 11.27.2006 no virus found
F-Prot 3.16f 11.24.2006 no virus found
F-Prot4 4.2.1.29 11.24.2006 no virus found
Ikarus 0.2.65.0 11.27.2006 no virus found
Kaspersky 4.0.2.24 11.27.2006 no virus found
McAfee 4904 11.24.2006 no virus found
Microsoft 1.1804 11.27.2006 no virus found
NOD32v2 1884 11.27.2006 no virus found
Norman 5.80.02 11.24.2006 no virus found
Panda 9.0.0.4 11.26.2006 no virus found
Prevx1 V2 11.27.2006 no virus found
Sophos 4.11.0 11.16.2006 no virus found
TheHacker 6.0.3.124 11.27.2006 no virus found
UNA 1.83 11.24.2006 no virus found
VBA32 3.11.1 11.26.2006 no virus found
VirusBuster 4.3.15:9 11.27.2006 no virus found