Malware called W32 / Brontok-DP is stored in files with the PR extension. This virus infects Windows-based devices. The virus works by creating an autorun.inf file on the system disks and removable disks, which is initiated when the user requests access to the disk. In some subfolders files with the EXE extension are created. Most often it is transferred via removable USB flash drives and via a computer network.

As a result of a virus, entries in the system registry may be modified.