The attackers are demanding a ransom of US$23 million, according to the ransom note made public by security outfit MalwareHunterTeam.
The attack was made public on 5 October. "The IT infrastructure of Software AG is affected by a malware attack since the evening of 3 October 2020," the company said
"While services to its customers, including its cloud-based services, remain unaffected, as a result, Software AG has shut down the internal systems in a controlled manner in accordance with the company's internal security regulations.
Here is the ransom note:— MalwareHunterTeam (@malwrhunterteam) October 9, 2020
"HELLO DEAR SOFTWARE AG"
How kind of them to use "dear", no?
"If required to secure its service levels, Software AG will enhance its interim helpdesk system. Software AG is not aware of any customer information being accessed by the malware attack. Software AG is further investigating the incident and is doing everything in its power to resolve the resulting disruption as soon as possible."
The German company, which completed 50 years in the software business in May last year, is the biggest integration software provider and also the world's biggest IoT platform provider.
According to Wikipedia, the company recorded revenue of €865 million (A$1.4 billion) in 2018. It has close to 5000 employees and its profits in 2018 were €195.0 million.
Thanks to Bleeping Computer for a link to the ransom note.