"They were smart," Kowalski said. "They blocked the software from calling home in the hosts file. But this version... 11.0.9... it had a specific hole. The Mpt patch."
: Official support for all versions of Adobe Acrobat XI (11.x) ended on October 15, 2017 . Adobe no longer provides security updates or bug fixes for this software. Adobe Acrobat Xi Pro 11.0.9 Multilanguage Chingliu Patch Mpt
: Enhanced ability to modify text and graphics directly within PDF files. Multilingual Support "They were smart," Kowalski said