Check Point Research, the threat intelligence arm of Check Point Software, has found that that in the past month the Phorpiex botnet has been delivering the Avaddon ransomware, a new ransomware-as-a-service (RaaS) variant that emerged in early June, via malspam campaigns, causing it to jump up 13 places to second in the top malware listing and doubling its impact on organisations worldwide compared to May.