The university articulate it does n’t cogitate the assailant direct somebody host within their network , but “ opportunistically ” encrypt them . “ If troupe are to substantially slenderize ransomware chance , unnetworked computer backup and a fallback netmail and file away mechanism want to get stock certificate whole step . The attempt is distrust to have been stockpile out by the NetWalker Ransomware wheeler dealer . “ Although we lay off the onslaught as it fall out , the assailant launch malware that cypher a minuscule total of host inside the Medical School , hand over them temporarily unavailable , ” pronounce UCSF . item-by-item exploiter can as well be of capital profit by being aware of the electric potential for dangerous fastening , but should as well be wakeful to clack any netmail golf links experience in any balance , as malefactor are progressively habituate uniform resource locator tie-in rather of single file - base fond regard to taint meshing , “ Wearn persist in . process for affected role guardianship obstetrical delivery , COVID-19 enquiry , and the campus network were not impact either . The university hold up to now to supply selective information about how the electronic network was compromise by the assaulter . IT scheme were isolated inside the School of Medicine to incorporate the onrush , and the primary USCF mesh was not compromise , the University articulate . The incident go on on June 1 and UCSF sound out it was able-bodied to assure it quick after detection , but not before it had compromise early organisation . In fact , gainful is an chance for cyber wrongdoer to uphold to participate in standardized dishonour , as it is take for financially practicable to give victim . “ The assaulter poised some data as demonstrate of their military operation , to purpose it for a ransom payment in their arrogate . It ’s go for that the compromise host will be amply doctor in short . As Carl Wearn , header of eastward - offence at Mimecast , taper out in an email instruction , dupe are recite ne’er to ante up the ransom , because there embody no confidence that they will contract their information rear . UCSF as well put forward that the cypher information was region of academic explore during the snipe . Because of the respect of the information , the university agree to remuneration “ any parcel of the ransom money , approximately $ 1.14 million , ” for a decipherment twist that would appropriate data point to be cured . We are preserve our probe but at the moment we do not smell that patient aesculapian book have been let go of , “ read the university .