Should I block it?
No, this file is 100% safe to run.
Additional versions
cryptext.dll
Crypto Shell Extensions by Microsoft
| Version: | 5.131.2600.5512 (xpsp.080413-2113) |
| MD5: | 55a8e15e125c9ca4590c6a4f7b13a4ae |
| SHA1: | aa60db20006d0eb543fcaaa3464e75b4da39caa3 |
| SHA256: | f4355fd7a4e0f2ba72f5335ac46bcdad484539cc3455dcc85c9c00036d05d0ee |
This is a Windows system installed file with Windows File Protection (WFP) enabled.
What is cryptext.dll?
The Cryptographic Application Programming Interface (also known variously as CryptoAPI, Microsoft Cryptography API, MS-CAPI or simply CAPI) is an application programming interface included with Microsoft Windows operating systems that provides services to enable developers to secure Windows-based applications using cryptography.
About cryptext.dll (from Microsoft)
“Cryptography is the use of codes to convert data so that only a specific recipient will be able to read it, using a key. Microsoft cryptographic technologies include CryptoAPI, Cryptographic Service”
Details
| File name: | cryptext.dll |
| Publisher: | Microsoft Corporation |
| Product name: | Crypto Shell Extensions |
| Description: | Microsoft® Windows® Operating System |
| Typical file path: | C:\Windows\System32\cryptext.dll |
| Original name: | CryptExt.dll.mui |
| File version: | 5.131.2600.5512 (xpsp.080413-2113) |
| Product version: | 5.131.2600.5512 |
| Size: | 53 KB (54,272 bytes) |
| Digital DNA |
| Entropy: | 6.049924 |
| File packed: | No |
| .NET CLR: | No |
More details
Behaviors
Shell open commands
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
- 'Crypto Sign Extension' with CLSID {7444C719-39BF-11D1-8CD9-00C04FC29D45}
- 'Crypto PKO Extension' with CLSID {7444C717-39BF-11D1-8CD9-00C04FC29D45}
Distribution by Windows OS
| OS version | distribution |
| Windows 7 Home Premium |
60.50% |
|
| Windows 7 Ultimate |
20.00% |
|
| Windows 7 Professional |
13.00% |
|
| Windows Vista Home Premium |
3.50% |
|
| Windows Seven Black Edition |
1.50% |
|
| Windows 7 Home Basic |
1.50% |
|
Distribution by country
United States installs about 64.00% of Crypto Shell Extensions.
Distribution by PC manufacturer
| PC Manufacturer | distribution |
| Dell |
33.21% |
|
| Hewlett-Packard |
21.51% |
|
| Toshiba |
15.09% |
|
| Acer |
12.45% |
|
| ASUS |
7.55% |
|
| Sony |
4.53% |
|
| Alienware |
2.26% |
|
| Samsung |
2.26% |
|
| GIGABYTE |
1.13% |
|
