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Should I block it?

No, this file is 100% safe to run.

Additional versions

5.131.3790.5014 (srv03_sp2_gdr.120601-0335)	0.27%
5.131.3790.3959 (srv03_sp2_rtm.070216-1710)	0.27%
5.131.3790.3959 (srv03_sp2_rtm.070216-1710)	0.27%
5.131.2600.6459 (xpsp_sp3_qfe.131005-0434)	0.27%
5.131.2600.6459 (xpsp_sp3_qfe.131005-0434)	1.92%
5.131.2600.6459 (xpsp_sp3_qfe.131005-0434)	0.55%
5.131.2600.6369 (xpsp_sp3_qfe.130326-1352)	3.29%
5.131.2600.6239 (xpsp_sp3_qfe.120601-1618)	2.47%
5.131.2600.6239 (xpsp_sp3_qfe.120601-1618)	0.27%
5.131.2600.6239 (xpsp_sp3_qfe.120601-1618)	1.10%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	42.47%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.27%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.55%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	2.19%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.55%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	2.19%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.55%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.27%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	1.92%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.27%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.82%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	1.10%
5.131.2600.6239 (xpsp_sp3_gdr.120601-1620)	0.55%
5.131.2600.6237 (xpsp_sp3_qfe.120530-1719)	0.55%
5.131.2600.6237 (xpsp_sp3_gdr.120530-1718)	1.37%
View more
5.131.2600.6237 (xpsp_sp3_gdr.120530-1718)	0.27%
5.131.2600.6154 (xpsp_sp3_gdr.110927-1620)	0.82%
5.131.2600.6154 (xpsp_sp3_gdr.110927-1620)	0.27%
5.131.2600.6154 (xpsp_sp3_gdr.110927-1620)	0.27%
5.131.2600.6154 (xpsp_sp3_gdr.110927-1620)	0.27%
5.131.2600.6149 (xpsp_sp3_qfe.110906-1620)	0.27%
5.131.2600.6149 (xpsp_sp3_gdr.110906-1620)	1.37%
5.131.2600.5779 (xpsp_sp3_qfe.090319-1308)	1.10%
5.131.2600.5779 (xpsp_sp3_qfe.090319-1308)	0.27%
5.131.2600.5709 (xpsp_sp3_qfe.081113-1337)	0.27%
5.131.2600.5512 (xpsp.080413-2113)	9.04%
5.131.2600.5512 (xpsp.080413-2113)	0.27%
5.131.2600.5512 (xpsp.080413-2113)	0.55%
5.131.2600.5512 (xpsp.080413-2113)	0.55%
5.131.2600.5512 (xpsp.080413-2113)	0.27%
5.131.2600.3311 (xpsp.080212-0010)	0.27%
5.131.2600.3300 (xpsp.080125-2034)	0.27%
5.131.2600.3272 (xpsp_sp2_qfe.071212-1253)	0.27%
5.131.2600.3244 (xpsp.071030-1542)	0.27%
5.131.2600.2180 (xpsp_sp2_rtm.040803-2158)	14.52%
5.131.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.27%
5.131.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.27%
5.131.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.55%
5.131.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.27%
5.131.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.27%
5.131.2600.2180 (xpsp_sp2_rtm.040803-2158)	0.27%

Relationships

CRYPT32.dll

Crypto API32 by Microsoft

Remove CRYPT32.dll

Version:	5.131.2600.5779 (xpsp_sp3_qfe.090319-1308)
MD5:	08ddb6061d93e5293cf349230b5021a6
SHA1:	02178942070d373e0284832614a64fa1c8681b8a
SHA256:	de4f1237932752180ea22bb443f224b368da9f612388d5c93648cdbd5e257cb7

This is a Windows system installed file with Windows File Protection (WFP) enabled.

What is CRYPT32.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 CRYPT32.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:	crypt32.dll
Publisher:	Microsoft Corporation
Product name:	Crypto API32
Description:	Microsoft® Windows® Operating System
Typical file path:	C:\Windows\System32\crypt32.dll
File version:	5.131.2600.5779 (xpsp_sp3_qfe.090319-1308)
Product version:	5.131.2600.5779
Size:	585.5 KB (599,552 bytes)
Digital DNA
Entropy:	6.637409
File packed:	No
.NET CLR:	No

More details

Behaviors

Startup files notify

crypt32chain

Distribution by Windows OS

OS version	distribution
Microsoft Windows XP	92.00%
Windows XP Professional	4.50%
Windows XP Home Edition	2.50%
Windows Server 2003, Standard Edition	0.50%
Microsoft Windows XP Home Edition	0.50%

Distribution by country

United States installs about 43.10% of Crypto API32.

Distribution by PC manufacturer

PC Manufacturer	distribution
Dell	41.62%
Intel	12.18%
Compaq	8.12%
American Megatrends	7.61%
Toshiba	7.11%
GIGABYTE	5.08%
Hewlett-Packard	5.08%
ASUS	4.06%
Sahara	3.55%
Gateway	2.03%
Acer	1.52%
Lenovo	1.02%
Sony	1.02%