Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

302bd 47.83%
b7917 2.17%
6b203 47.83%
bfe99 2.17%
(Note, Facebook publishes each variation of this file with the same version, but the hashes are unique.)

Relationships


PE structurePE file structure

Show functions
Import table
kernel32.dll
InterlockedIncrement, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, WaitForSingleObject, SetEvent, CreateEventW, LeaveCriticalSection, EnterCriticalSection, InitializeCriticalSection, DeleteCriticalSection, GetTickCount, QueryPerformanceCounter, DisableThreadLibraryCalls, InterlockedDecrement, InterlockedCompareExchange, Sleep, InterlockedExchange
libcef.dll
cef_string_utf16_to_utf8, cef_string_utf8_clear, cef_string_utf8_to_utf16, cef_string_list_size, cef_string_list_value, cef_string_multimap_size, cef_string_multimap_key, cef_string_multimap_value, cef_string_map_size, cef_string_map_key, cef_string_map_value, cef_string_multimap_append, cef_string_map_append, cef_string_list_append, cef_string_utf16_cmp, cef_string_list_alloc, cef_string_list_free, cef_string_utf16_clear, cef_string_utf16_set, cef_string_userfree_utf16_free, cef_v8value_create_undefined, cef_v8value_create_null, cef_v8value_create_bool, cef_cookie_manager_get_global_manager, cef_shutdown, cef_currently_on, cef_register_custom_scheme, cef_initialize, cef_build_revision, cef_register_scheme_handler_factory, cef_post_task, cef_stream_reader_create_for_handler, cef_string_multimap_free, cef_string_multimap_alloc, cef_string_map_free, cef_string_map_alloc, cef_v8value_create_function, cef_v8value_create_array, cef_v8value_create_object, cef_v8value_create_string, cef_v8value_create_double, cef_v8value_create_int, cef_v8value_create_object_with_accessor, cef_xml_reader_create, cef_cookie_manager_create_manager, cef_do_message_loop_work, cef_run_message_loop, cef_quit_message_loop, cef_clear_cross_origin_whitelist, cef_clear_scheme_handler_factories, cef_add_cross_origin_whitelist_entry, cef_remove_cross_origin_whitelist_entry, cef_set_storage, cef_delete_storage, cef_set_storage_path, cef_parse_url, cef_visit_storage, cef_post_delayed_task, cef_create_url, cef_register_extension, cef_stream_reader_create_for_file, cef_stream_reader_create_for_data, cef_browser_create, cef_browser_create_sync, cef_request_create, cef_post_data_create, cef_string_list_copy, cef_v8context_in_context, cef_v8context_get_current_context, cef_v8context_get_entered_context, cef_post_data_element_create, cef_v8value_create_date
mscoree.dll
DllMain
msvcp90.dll
DllMain
msvcr90.dll
DllMain

cefsharp.dll

By Facebook (Signed)

Remove cefsharp.dll
MD5:   302bd05f2c13a3d7f697c7d6ba9600f9
SHA1:   8458d26ced4ffe1663f5b0ffeeafcb64e8a2c4c8
SHA256:   fdca23716f01415376ef0fc114d4d520e720ba9004818136b1e6feabf106e5a4

Overview

cefsharp.dll is loaded as dynamic link library that runs in the context of a process. This is typically installed with the program Facebook Messenger 2.1.4651.0 published by Facebook. The assembly utilizes the .NET run-time framework (which is required to be installed on the PC). The file is digitally signed by Facebook which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:cefsharp.dll
Typical file path:C:\users\user\appdata\local\facebook\messenger\2.1.4651.0\cefsharp.dll
Size:279.92 KB (286,640 bytes)
Certificate
Issued to:Facebook
Authority (CA):VeriSign
Effective date:Tuesday, June 19, 2012
Expiration date:Saturday, June 20, 2015
Digital DNA
PE subsystem:Windows GUI
File packed:No
Code language:Microsoft Visual C# / Basic .NET
.NET CLR:Yes
.NET NGENed:No
More details

ResourcesPrograms

The following program will install this file
Facebook
11% remove
Facebook Messenger is an instant messaging service and software application which provides text and video communication. Like Facebook's web-based Chat feature, it supports the open-source XMPP protocol, connects primarily between Facebook users and synchronizes with the website. Among its features is a "ticker" similar in function to the sidebar of friend activity seen by Facebook website users. At the time of release, "chatting with m...

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 32.61%
Windows 7 Ultimate 30.43%
Windows Vista Home Premium 10.87%
Microsoft Windows XP 8.70%
Windows 7 Professional 8.70%
Windows 8.1 Single Language 2.17%
Windows 7 Home Basic 2.17%
Windows 8 Pro 2.17%
Windows Vista Home Basic 2.17%

Distribution by countryDistribution by country

United States installs about 30.43% of cefsharp.dll.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Hewlett-Packard 26.32%
Acer 21.05%
Dell 15.79%
Toshiba 15.79%
MSI 10.53%
Sony 5.26%
ASUS 5.26%
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