ALEXANDER NEMENOV/AFP/Getty ImagesKremlin spokesman Dmitry Peskov also said that no proposals for a truce had been received from Ukrainian authorities.

with help from another 20-something security engineer in the U.and demanded $300 in ransom to decode them.

A screenshot of the warning screen from a purported ransomware attack.who -- unintentionally at first -- discovered a kill switch that halted the unprecedented outbreak.hackers rendered them unreadable.

is believed to be the biggest online extortion attack ever recorded.Hackers tricked victims into opening corrupt links in emails disguised as invoices and security warnings.

000 organizations in at least 150 countries.

cybersecurity experts say its nothing compared to what might be coming -- especially if companies and governments dont make major fixes.But many longtime workers didnt think immediate 11% pay raises under the deal were enough to make up for concessions granted to GM in 2008.

A union spokesman on Thursday confirmed that the spreadsheet had the official totals.making the company the first Detroit automaker to get a ratified deal that could end a contentious and lengthy labor dispute.

and they wanted a bigger pension increase.would dramatically raise pay for autoworkers.