With the help of the FBI, German and Ukrainian police last week searched the properties of two suspected “core members” of a global cybercrime gang that has cost US victims tens of millions of dollars, European officials said Monday. The type of ransomware used by the hackers, known as DoppelPaymer, has “negatively impacted the provision of healthcare, emergency and education services to citizens worldwide,” the FBI said in a 2020 advisory to the US industry. The type of ransomware used by the hackers, known as DoppelPaymer, has “negatively impacted the provision of healthcare, emergency and education services to citizens worldwide,” the FBI said in a 2020 advisory to the US industry