Versions

2, 0, 0, 120	33.33%
2, 0, 0, 118	33.33%
2, 0, 0, 117	33.33%

There are 3 versions of rx2engine.exe in the wild, the latest version being 2, 0, 0, 120. It is started as a Windows Service called 'Rx2Engine'. In addition, it is run under the context of the SYSTEM account with extensive privileges (the administrator accounts have the same privileges). The average file size is about 1.03 MB. The file is a digitally signed and issued to Raxco Software by VeriSign. Numerous variations of rx2engine.exe have been installed with both PerfectSpeed PC Optimizer and PowerX PerfectSpeed. During the process's lifecycle, the typical CPU resource utilization is about 0.0043% including both foreground and background operations, the average private memory consumption is about 6.62 MB with the maximum memory reaching around 18.1 MB. Addionally, typically read and write I/O disk operations is about 58.06 KB per minute for reads and 47.12 KB per minute for writes.

Rx2Engine Module for PerfectDisk is a defragmentation utility for Windows published by Raxco Software. PerfectDisk attempts to defragment drives in a single pass of a drive, as opposed to a common approach of running continuously and gradually defragmenting the file system. PerfectDisk has the capability of a scheduled defrag managed by an internal task scheduler. It also offers the option to defrag during screen saver activity, or when the PC is idle.