4, 6, 0, 0 47.62%
4, 6, 0, 0 52.38%
(Note, Facebook publishes each variation of this file with the same version, but the hashes are unique.)



International Components for Unicode by Facebook (Signed)

Remove icudt.dll


icudt.dll has 2 known versions, the most recent one is 4, 6, 0, 0. The average file size is about 9.5 MB. It is an authenticode code-signed executable issued to Facebook by the certification authority VeriSign. The programs Facebook Messenger 2.1.4651.0, Facebook Messenger 2.1.4814.0 and Skype Click to Call have been observed as installing specific variations of icudt.dll.

What is icudt.dll?

International Components for Unicode (ICU) is an open source project of mature C/C++ and Java libraries for Unicode support, software internationalization and software globalization. ICU is widely portable to many operating systems and environments. It gives applications the same results on all platforms and between C, C++ and Java software.

About icudt.dll (from Facebook)

ICU is released under a nonrestrictive open source license that is suitable for use with both commercial software and with other open source or free software. Convert text data to or from Unicode and


File name:icudt.dll
Publisher:The ICU Project
Product name:International Components for Unicode
Description:ICU Data DLL
Typical file path:C:\users\user\appdata\local\facebook\messenger\2.1.4651.0\icudt.dll
Original name:icudt46.dll
Issued to:Facebook
Authority (CA):VeriSign
Effective date:Tuesday, June 19, 2012
Expiration date:Saturday, June 20, 2015

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of International Components for Unicode.)
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Html5 location provider by Altergeo is an plugin for Internet Explorer installed as a browser helper object (BHO) and an extension for Firefox.
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Microsoft Corporation
9% remove
Microsoft Corporation
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ReSoft Ltd.
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Skype Technologies S.A.
9% remove
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VersionsAll file variations of icudt.dll

MD5SHA-1File size
07b82d1f0332771e60c1ab56e60ea38a 36efbec36737732ba867c5f9b7b15cddbd840bc2 9.5 MB
8ab4b35edb72a15a606c8d27e4620fc9 7c2480848df5914e0a5156d4036793b2f75394ed 9.5 MB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 35.71%
Windows 7 Ultimate 26.19%
Windows Vista Home Premium 11.90%
Microsoft Windows XP 9.52%
Windows 7 Professional 7.14%
Windows 8.1 Single Language 2.38%
Windows 7 Home Basic 2.38%
Windows 8 Pro 2.38%
Windows Vista Home Basic 2.38%

Distribution by countryDistribution by country

United States installs about 33.33% of International Components for Unicode.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 25.00%
Acer 19.44%
Dell 16.67%
Toshiba 16.67%
MSI 11.11%
Sony 5.56%
ASUS 5.56%
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