Dr.Web CureIt! will cure infected files and place incurable files in quarantine. When the scanning is finished, you can view the report and perform desired actions with quarantined files
If it is quarantined, there would be actions for infected file, use them. If it is cured there would be no problem with that file.
Have you ever run scanpst.exe?
C:\Program Files\Common Files\System\MSMAPI\1055\SCANPST.exe
C:\Program Files\Microsoft Office\Office12\SCANPST.exe