Company Piriform, which is developing a program for system optimization CCleaner, announced in his blog that a hacker attack had stolen data of more than two million users.
Errors were found in programs ССleaner 5.33.6162 and CCleaner Cloud 1.07.3191 for Windows that was released in August of 2017. The company said that he had noticed the incorrect behavior of the program on September 12. Then came an update that fixes the error.
In both applications was found an unknown IP address, receiving information about the computer: its IP address, the list of installed programs and network adapters. The server sent the information turned off on September 15.
Piriform bought antivirus company Avast in July 2017. Press Secretary Avast in conversation with TechCrunch said, “We believe that users are now safe because we were able to resolve the problem before it could cause any harm”.