June 4 (Reuters) - FBI Director Christopher Wray told the Wall Street Journal that the agency is investigating about 100 different types of ransomware, many of which trace back to perpetrators Russia.

In the interview published https://on.wsj.com/3wVXApX on Friday, Wray singled out Russia as harboring many of the known users of ransomware.

(Reporting by Kanishka Singh and Aakriti Bhalla in Bengaluru Editing by David Goodman )