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:   b7917425ae5812bb835a71fa9381b332
SHA1:   f9986cc40857a92554d8491ebe30446d6d923794
SHA256:   2f157199987c3f026ec5088f91afd96dbe7f23843407674f4793f2abcabb45f4

Overview

cefsharp.dll is loaded as dynamic link library that runs in the context of a process. It is installed with a couple of know programs including KidCheck Check-in Station Client published by KidCheck, Inc., Quest from Text Adventures Ltd and Quest by Text Adventures Ltd. 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:454 KB (464,896 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 programs will install this file
KidCheck, Inc.
2% remove
Text Adventures Ltd
8% remove

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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