Should I block it?
No, this file is 100% safe to run.
 
Additional versions
(Note, Apple Inc. publishes each variation of this file with the same version, but the hashes are unique.)
 
Relationships
     
    
        shellstreams64.dll
By Apple Inc. (Signed)
| MD5:    | 470c237c9174bc3d3cbf68da8a9a0c01 | 
| SHA1:    | fc42131f8e2b087eed7da7535ee1e1cfcf402b6e | 
| SHA256:    | d1b7fb8137c80cbfa1ec68a497f2e199dd09b4639b405484f23181d9ed5c80e4 | 
Overview
shellstreams64.dll is loaded as dynamic link library that runs in the context of a process. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by Apple Inc. which was issued by the VeriSign certificate authority (CA).
Details
| File name: | shellstreams64.dll | 
| Typical file path: | C:\Program Files\common files\apple\internet services\shellstreams64.dll | 
| Size: | 932.47 KB (954,848 bytes) | 
| Certificate | 
| Issued to: | Apple Inc. | 
| Authority (CA): | VeriSign | 
| Effective date: | Thursday, April 14, 2011 | 
| Expiration date: | Tuesday, June 25, 2013 | 
| Digital DNA | 
| File packed: | No | 
| Code language: | Microsoft Visual C# / Basic .NET | 
| .NET CLR: | Yes | 
| .NET NGENed: | No | 
More details
Behaviors
Context menu handler
Located in '*\shellex\ContextMenuHandlers'
Distribution by Windows OS
| OS version | distribution | 
| Windows 7 Home Premium | 
50.30% | 
 | 
| Windows 8 Pro | 
13.33% | 
 | 
| Windows 7 Ultimate | 
11.52% | 
 | 
| Windows 8 | 
8.48% | 
 | 
| Windows 7 Professional | 
6.67% | 
 | 
| Windows 8 Pro with Media Center | 
4.24% | 
 | 
| Windows Vista Home Premium | 
1.82% | 
 | 
| Windows 8.1 | 
0.61% | 
 | 
| Windows 7 Home Basic | 
0.61% | 
 | 
| Windows 8.1 Pro Preview with Media Center | 
0.61% | 
 | 
| Windows 7 Enterprise | 
0.61% | 
 | 
| Windows Server 2012 Standard Evaluation | 
0.61% | 
 | 
| Windows 8 Enterprise | 
0.61% | 
 | 
Distribution by country
United States installs about 54.55% of shellstreams64.dll.
Distribution by PC manufacturer
| PC Manufacturer | distribution | 
| Hewlett-Packard | 
22.38% | 
 | 
| Toshiba | 
19.58% | 
 | 
| Dell | 
16.78% | 
 | 
| ASUS | 
15.38% | 
 | 
| Acer | 
8.39% | 
 | 
| Sony | 
6.99% | 
 | 
| Lenovo | 
4.20% | 
 | 
| Alienware | 
2.10% | 
 | 
| GIGABYTE | 
1.40% | 
 | 
| Intel | 
1.40% | 
 | 
| MSI | 
1.40% | 
 |