Should I block it?
No, this file is 100% safe to run.
 
 Additional versions
Additional versions
(Note, the developer publishes each variation of this file with the same version, but the hashes are unique.)
 
     
    
        cygrunsrv.exe
| MD5: | 3d70b0630342132ebc1ff5cff483e6c0 | 
| SHA1: | 00d19c87e9300e2e2fe4c3841b670ba9af2fc076 | 
| SHA256: | 164d0a30aaedf9c4fc70bd30a9cfd14c506256c314b7082c3cb13c7d2b2fffc6 | 
Overview
cygrunsrv.exe runs as a service under the name OpenSSHd (SYSTEM\CurrentControlSet\Services\OpenSSHd) with extensive SYSTEM privileges (full administrator access). This is typically installed with the program OpenSSH for Windows (remove only) published by Michael Johnson.
 Details
Details
| File name: | cygrunsrv.exe | 
| Typical file path: | C:\Program Files\openssh\bin\cygrunsrv.exe | 
| Size: | 36 KB (36,864 bytes) | 
| Digital DNA | 
| Entropy: | 5.714575 | 
| File packed: | No | 
| .NET CLR: | No | 
More details
 Programs
Programs
The following program will install this file
 Behaviors
Behaviors
Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
- OpenSSHd
- 'OpenSSHd'  (OpenSSH Server)
 Resource utilization
Resource utilization
(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
| CPU | 
| Total CPU: | 0.00000076% |  | 
| Kernel CPU: | 0.00000038% |  | 
| User CPU: | 0.00000038% |  | 
| Kernel CPU time: | 16 ms/min |  | 
| Memory | 
| Private memory: | 1.37 MB |  | 
| Private (maximum): | 2.37 MB |  | 
| Private (minimum): | 2.37 MB |  | 
| Non-paged memory: | 1.37 MB |  | 
| Virtual memory: | 412.25 MB |  | 
| Virtual memory (peak): | 421.5 MB |  | 
| Working set: | 2.37 MB |  | 
| Working set (peak): | 2.37 MB |  | 
| Page faults: | 603/min |  | 
| I/O | 
| I/O read transfer: | 0 Bytes/sec |  | 
| I/O read operations: | 1/sec |  | 
| I/O write transfer: | 0 Bytes/sec |  | 
| I/O write operations: | 1/sec |  | 
| I/O other transfer: | 0 Bytes/sec |  | 
| I/O other operations: | 1/sec |  | 
| Resource allocations | 
| Threads: | 4 |  | 
| Handles: | 92 |  | 
 
 Process properties
Process properties
 Distribution by Windows OS
Distribution by Windows OS
| OS version | distribution | 
| Windows 7 Home Premium | 25.00% |  | 
| Windows 8 Pro with Media Center | 25.00% |  | 
| Windows Server 2003, Standard Edition | 25.00% |  | 
| Microsoft Windows XP | 25.00% |  | 
 Distribution by country
Distribution by country
United States installs about 66.67% of cygrunsrv.exe.
 Distribution by PC manufacturer
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Sony | 66.67% |  | 
| Hewlett-Packard | 33.33% |  |