More than 4,000 U.S. computers and networks have had malware files deleted by the FBI, which said it did not collect other information during the remote operations.

The U.S. Department of Justice announced today that the FBI has deleted Chinese PlugX malware from over 4,200 computers in networks across the United States.

The FBI says it was authorized to mass-remove “PlugX” malware from more than 4,000 compromised machines in the United States