They include WannaCry cyber attack that crippled hospitals, banks and other companies.
Trump administration publicly fingers rogue nation for unleashing the ransomware that hit 150 countries earlier this year.
Two-thirds of those caught up in the global ransomware attack were running Windows 7.
KINIGUIDE | As the dust settles, we take a look at how it works, and how it got so prolific.
The Association of Banks in Malaysia says ATM and online banking services are operating as usual.
They include a large GLC, a gov’t-linked investment firm and an insurance company.