Researchers warn of bogus emails offering Windows 10

SAN FRANCISCO – Some hackers are exploiting Microsoft’s offer of free upgrades to its new Windows 10 operating system.

Security researchers are warning about a wave of bogus spam emails with malicious attach­ments, labeled as if they’re legitimate copies of the new program.

The attachments contain a "ransomware" pro­gram that, when opened, locks all the data on a computer and demands payment to release them.

Researchers at Cisco Systems say the emails are designed to look like an official upgrade notice from Microsoft Corp., but several words have random, out-of-place letters and punctuation.

– BRANDON BAILEY, The Associated Press