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.)


PE structurePE file structure

Show functions
Import table
InterlockedIncrement, IsDebuggerPresent, SetUnhandledExceptionFilter, UnhandledExceptionFilter, GetCurrentProcess, TerminateProcess, GetSystemTimeAsFileTime, GetCurrentProcessId, GetCurrentThreadId, WaitForSingleObject, SetEvent, CreateEventW, LeaveCriticalSection, EnterCriticalSection, InitializeCriticalSection, DeleteCriticalSection, GetTickCount, QueryPerformanceCounter, DisableThreadLibraryCalls, InterlockedDecrement, InterlockedCompareExchange, Sleep, InterlockedExchange
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


By Facebook (Signed)

Remove cefsharp.dll
MD5:   6b203c82dd49274de796392a3bdf58ab
SHA1:   d6b2a197c444a857afa00836515180e49916510a
SHA256:   6965fe8ae64655c2f5ac267d8186029c440e77fd7d5225f4dca35d830fc00e24


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 Facebook Messenger 2.1.4814.0 published by Facebook, Warframe from Digital Extremes and Warframe by Digital Extremes. 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).


File name:cefsharp.dll
Typical file path:C:\users\user\appdata\local\facebook\messenger\2.1.4651.0\cefsharp.dll
Size:285.42 KB (292,272 bytes)
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
More details


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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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