Viral virus bunfight: Dr Web tested rivals like Kaspersky Lab

But they didn't deliberately try and trip up rivals with false positives

Russian anti-malware firm Dr.Web tested rivals to see if they blindly accepted malware reports shared through cross-industry intelligence systems like Kaspersky Lab, according to investigative reporter Brian Krebs. However, Dr.Web stopped short of using services such as VirusTotal to trip up rivals, the focus of fiercely contested allegations against Kaspersky Lab."