TASS news agency has reported a massive cyber attack against Russian and Ukrainian companies and government agencies by the Petya virus.
Affected in Russia are Rosneft, Bashneft, Mars, Nivea and Mondelez, the International producer of Alpen Gold chocolate.
The Petya virus has also attacked the Ukrainian government, Auchan Hypermarkets, Privatbank and telecommunication operators, the Group-IB company said.
The Russian news agency quoting Group-IB, the company which deals with prevention and investigation of cybercrime said the virus operates like a ransomware, blocks computers and requires a ransom of $300 in bitcoins.
TASS said the attack in Russia and Ukraine, was recorded around 14:00 Moscow time (11:00 GMT).
According to Group-IB, the ransomware spreads through local networks just like the WannaCry virus did.
Statements published on social networks earlier said that a computer virus had attacked the websites and computer systems of numerous Ukrainian companies, banks, state agencies and other institutions.
Ukraine’s National Bank was the first to report a cyber attack, warning banks and institutions about a dangerous malware. Meanwhile, according to the country’s media, dozens of big banks, particularly Oschadbank and Privatbank, have limited customer service operations.
The Ukrenergo national energy company, as well as the Kievenergo, Zaporozhenergo and Dneprenergo energy supplying companies, have been facing difficulties, but their basic activities have not been affected.
The Novaya Pochta private delivery company has suspended its activities due to a computer virus. In addition, the Antonov aircraft-builder, the Kiev metro and Borispol international airport have confirmed cyber attacks on their computer systems.
A number of the Ukrainian media outlets have also reported cyber attacks