Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

3d70b 50.00%
ef187 25.00%
a61d6 25.00%
(Note, the developer publishes each variation of this file with the same version, but the hashes are unique.)

cygrunsrv.exe

Remove 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.

DetailsDetails

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

ResourcesPrograms

The following program will install this file
Michael Johnson
7% remove

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • OpenSSHd
  • 'OpenSSHd' (OpenSSH Server)

ResourcesResource utilization

(Note: statistics below are averages based on a minimum sample size of 200 unique participants)
Averages
 
CPU
Total CPU:0.00000076%
0.028634%
Kernel CPU:0.00000038%
0.013761%
User CPU:0.00000038%
0.014873%
Kernel CPU time:16 ms/min
100,923,805ms/min
Memory
Private memory:1.37 MB
21.59 MB
Private (maximum):2.37 MB
Private (minimum):2.37 MB
Non-paged memory:1.37 MB
21.59 MB
Virtual memory:412.25 MB
140.96 MB
Virtual memory (peak):421.5 MB
169.69 MB
Working set:2.37 MB
18.61 MB
Working set (peak):2.37 MB
37.95 MB
Page faults:603/min
2,039/min
I/O
I/O read transfer:0 Bytes/sec
1.02 MB/min
I/O read operations:1/sec
343/min
I/O write transfer:0 Bytes/sec
274.99 KB/min
I/O write operations:1/sec
227/min
I/O other transfer:0 Bytes/sec
448.09 KB/min
I/O other operations:1/sec
1,671/min
Resource allocations
Threads:4
12
Handles:92
600

BehaviorsProcess properties

Platform:32-bit
Command line:"C:\Program Files\openssh\bin\cygrunsrv.exe"
Owner:SYSTEM
Windows Service
Service name:SYSTEM\CurrentControlSet\Services\OpenSSHd
Display name:OpenSSHd
Parent process:services.exe (Services and Controller app by Microsoft)

Windows OS versionsDistribution by Windows OS

OS versiondistribution
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 countryDistribution by country

United States installs about 66.67% of cygrunsrv.exe.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Sony 66.67%
Hewlett-Packard 33.33%
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