Troj/Baglet-B is an email address harvesting Trojan.
Troj/Baglet-B scans all drives for file with one of the following extensions and extracts email addresses from them:
adb
asp
cfg
cgi
dbx
dhtm
eml
htm
jsp
mbx
mdx
mht
mmf
msg
nch
ods
oft
php
pl
sht
shtm
stm
tbb
txt
uin
wab
wsh
xls
xml
The Trojan then sends the addresses it finds to a preconfigured internet location.