Mozilla has admitted it erred in labelling one of the two Firefox add-ons offered for download from its official add-on site as malign last week.
Warnings that version 4.0 of Sothink Video Downloader add-on was contaminated by a Trojan were wrong and down to a false positive triggered by an anti-virus scanner used by Mozilla rather than the presence of real malware. The add-on, withdrawn
from download last week because of malware concerns, has now been restored.
In a blog posting
on Tuesday, Mozilla apologised for the mix-up and confirmed the other add-on under suspicion, Master Filer, is
infected by the Bifrose Trojan and remains blacklisted.