According to the experts at Positive Technologies, organisations can prevent such attacks by using specialised systems for deep traffic analysis.
According to several of the sources, the hackers appeared to be interested in technical documents linked to the certification process for different parts of Airbus aircraft.
Only 24 per cent of IT managers consider supply chain as a top security risk, exposing an additional weak spot that cybercriminals will likely add to their repertoire of attack vectors.
IT experts identified the virus as "Petrwrap", a modified version of the Petya ransomware which hit last year and demanded money from victims in exchange for the return of their data.
The virus is usually covertly installed on to computers by hiding within emails containing links, which users are tricked into opening.
Russian health ministry aide Nikita Odintsov said on Twitter that the ministry had quickly thwarted the attempted attacks.
Friday's wave of cyberattacks apparently exploited a flaw exposed in documents leaked from the US National Security Agency.
The hunt was on for the culprits behind the assault, which was being described as the biggest cyber ransom attack ever.