Cyber-thieves are seeking to mass-produce new forms of ransomware, the security company Sophos has suggested.
It said there were discussions on underground forums about ways to produce a “kit” that criminals could use to craft their own variants.
Scammers try to extort cash by using ransomware to encrypt data, preventing access, or falsely accusing people of possessing illegal material.
Sophos said the problem had become much more widespread in 2013.