This is the name of a virus among the top detections recorded specifically over FTP. A name recurring here specifically, rather than in the HTTP or SMTP tables, points at a compromised FTP source or an infected file repeatedly being re-transferred, prompting the admin to check that specific FTP server or share rather than web or email defenses. For example, the same file-infector name appearing repeatedly would suggest a shared FTP directory itself is infected and re-serving the same bad file on each transfer.