We got a message saying your computers are now under their control and pay a certain amount of money.
And now everything is gone.' A screenshot obtained by the Health Service Journal (HSJ) purported to show the pop-up that appeared on at least one of the computers affected. Maybe you are busy looking for a way to recover your files, but do not waste your time.'Nobody can recover your files without our decryption service.'It goes on to demand payment, otherwise the files will be deleted.
The Microsoft spokesman said: 'Today our engineers added detection and protection against new malicious software known as Ransom: Win32.
Wanna Crypt.'In March, we provided a security update which provides additional protections against this potential attack.'Those who are running our free antivirus software and have Windows updates enabled, are protected.'We are working with customers to provide additional assistance.' Prime Minister Theresa May said that British hospitals had not been deliberately targeted in a cyber attack that had encompassed a number of different countries.'This was not targeted at the NHS, it's an international attack and a number of countries and organisations have been affected,' May said.'We're aware that a number of NHS (National Health Service) organisations have reported that they've suffered from a ransomware attack.' 'We're not aware of any evidence that patient data has been compromised.' A shocked worker at Colchester General Hospital described how her office's computers were 'wiped out, one by one'.
GP surgeries hit in the attack say their phones are down and patients should avoid calling unless 'absolutely necessary' and doctors are back to using pen and paper in some areas.
Explaining the fallout one doctor said in a message shared on Twitter: 'So our hospital is down.
Messages popped up on computers this afternoon which said 'oops, your files have been encrypted' and demanded a ransom of £230 to regain access to the PC otherwise the files would be wiped forever.There are major concerns about new patients being admitted overnight and staff members not being aware of allergies and past medical history because they cannot see records online.NHS Digital says there is no evidence that patient data has been accessed in the attack.He was due to have a septal myectomy, for which he had been waiting ten months but it was delayed.Anthony Brett was about to have a stent put in his liver to treat his cancer when he was told the procedure could not happen.But, although all Bitcoin transactions are public, it cannot be see who made the payments.'Non urgent' appointments and operations have been postponed across the country and some hospitals have diverted ambulances to neighbouring ones to ensure patient safety.