Should I block it?
45% of PCs block this file from running.
Possible reason:
Performance resource utilization
Additional versions
| 3, 10, 0, 1 |
28.00% |
|
| 3, 9, 0, 1 |
52.00% |
|
| 3, 9, 0, 1 |
4.00% |
|
| 3, 9, 0, 1 |
4.00% |
|
| 3, 5, 0, 1 |
12.00% |
|
Relationships
flux.exe
f.lux by Michael Herf (Signed)
| Version: | 3, 9, 0, 1 |
| MD5: | da5fbaa5d62b4fd393947de5ee8715be |
| SHA1: | d9cef62877b7db3ec8b65f8e581a13b8487a34c9 |
Overview
flux.exe executes as a process with the local user's privileges usually within the context of Windows Explorer. It is set to be run when the PC boots and the user logs into Windows (added to the Run registry key for the current user). This is typically installed with the program F.lux published by justgetflux. The file is digitally signed by Michael Herf which was issued by the COMODO CA Limited certificate authority (CA).
Details
| File name: | flux.exe |
| Publisher: | Flux Software LLC |
| Product name: | f.lux |
| Description: | f.lux (R) |
| Typical file path: | C:\users\user\appdata\local\fluxsoftware\flux\flux.exe |
| File version: | 3, 9, 0, 1 |
| Size: | 992.88 KB (1,016,712 bytes) |
| Build date: | 10/16/2013 7:06 AM |
| Certificate |
| Issued to: | Michael Herf |
| Authority (CA): | COMODO CA Limited |
| Effective date: | Thursday, April 5, 2012 |
| Expiration date: | Monday, May 5, 2014 |
| Digital DNA |
| File packed: | No |
| .NET CLR: | No |
More details
Programs
The following program will install this file
“f.lux fixes this: it makes the color of your computer's display adapt to the time of day, warm at night and like sunlight during the day. It's even possible that you're staying up too late because of your computer. You could use f.lux because it makes you sleep better, or you could just use it just because it makes your computer look better. f.lux makes your computer screen look like the room you're in, all the time. When the sun sets...”
Behaviors
Startup files (user) run
Runs under the registry key 'HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run'
- 'f.lux' → "C:\users\user\appdata\Local\FluxSoftware\Flux\flux.exe" /noshow
Network connections
[UDP] listens on port 51510
[UDP] listens on port 61457
[UDP] listens on port 56988
[UDP] listens on port 54117
Resource utilization
(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
| CPU |
| Total CPU: | 0.00034225% | |
| Kernel CPU: | 0.00024195% | |
| User CPU: | 0.00010030% | |
| Kernel CPU time: | 136,229 ms/min | |
| CPU cycles: | 4,934,184/sec | |
| Context switches: | 8/sec | |
| Memory |
| Private memory: | 29.08 MB | |
| Private (maximum): | 21.49 MB | |
| Private (minimum): | 9.86 MB | |
| Non-paged memory: | 29.08 MB | |
| Virtual memory: | 131.93 MB | |
| Virtual memory (peak): | 151.14 MB | |
| Working set: | 11.35 MB | |
| Working set (peak): | 23.94 MB | |
| Page faults: | 62,835/min | |
| I/O |
| I/O read transfer: | 38.61 KB/sec | |
| I/O read operations: | 3/sec | |
| I/O write transfer: | 74 Bytes/sec | |
| I/O write operations: | 1/sec | |
| I/O other transfer: | 42.99 KB/sec | |
| I/O other operations: | 248/sec | |
| Resource allocations |
| Threads: | 6 | |
| Handles: | 357 | |
| GUI GDI count: | 25 | |
| GUI GDI peak: | 32 | |
| GUI USER count: | 13 | |
| GUI USER peak: | 18 | |
Process properties
Threads
Averages
| flux.exe (main module) |
| Total CPU: | 0.10736303% | |
| Kernel CPU: | 0.09054235% | |
| User CPU: | 0.01682068% | |
| CPU cycles: | 3,436,782/sec | |
| Context switches: | 6/sec | |
| Memory: | 1.01 MB | |
| ntdll.dll |
| Total CPU: | 0.00093298% | |
| Kernel CPU: | 0.00046339% | |
| User CPU: | 0.00046959% | |
| CPU cycles: | 315,355/sec | |
| Memory: | 1.66 MB | |
| wow64.dll |
| Total CPU: | 0.00004473% | |
| Kernel CPU: | 0.00001491% | |
| User CPU: | 0.00002982% | |
| CPU cycles: | 14,607/sec | |
| Memory: | 252 KB | |
Common loaded modules
These are modules that are typiclaly loaded within the context of this process.
Distribution by Windows OS
| OS version | distribution |
| Windows 7 Home Premium |
48.00% |
|
| Windows 7 Ultimate |
16.00% |
|
| Windows 7 Professional |
8.00% |
|
| Windows 8.1 Single Language |
8.00% |
|
| Windows 8 Single Language |
8.00% |
|
| Windows 8 |
8.00% |
|
| Windows 8.1 Pro |
4.00% |
|
Distribution by country
United States installs about 41.67% of f.lux.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| ASUS |
32.56% |
|
| Lenovo |
27.91% |
|
| Dell |
13.95% |
|
| Acer |
11.63% |
|
| Toshiba |
9.30% |
|
| Hewlett-Packard |
4.65% |
|
