Spammers deploying the TorrentLocker ransomware are so good at targeting victims that their poison emails hit the mark more frequently than those sent by legitimate software companies and professional marketers.

Trend Micro's just analysed the malware in a report titled TorrentLocker Landscape: Targeting Even More Victims in Australia (PDF) and among other things finds that emails used to lure suckers into the scam "were seemingly delivered to a carefully selected address list with less than 1% sent to invalid ones [email addresses]."