Should I block it?

No, this file is 100% safe to run.

PE structurePE file structure

Show functions
Import table
mscoree.dll
DllMain

Newtonsoft.Json.dll

Json.NET by Facebook (Signed)

Remove Newtonsoft.Json.dll
Version:   4.5.9.15308
MD5:   cd74401890a1135b4995b505dad859dc
SHA1:   b97bc26abb0e236d0a7202aeae5555c7e379feef
SHA256:   580c0486c6af7a83c62b61f4731b2b9e4426d1f03a62959e68dd42efafd00bdc

Overview

newtonsoft.json.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:newtonsoft.json.dll
Publisher:Newtonsoft
Product name:Json.NET
Description:Json.NET .NET 2.0
Typical file path:C:\users\user\appdata\local\facebook\messenger\2.1.4651.0\newtonsoft.json.dll
File version:4.5.9.15308
Size:389.92 KB (399,280 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 Console
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 31.58%
Windows 7 Professional 15.79%
Microsoft Windows XP 15.79%
Windows 7 Ultimate 15.79%
Windows Vista Home Premium 10.53%
Windows 8 Pro 5.26%
Windows Vista Home Basic 5.26%

Distribution by countryDistribution by country

United States installs about 42.11% of Json.NET.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Toshiba 33.33%
MSI 33.33%
Acer 16.67%
Hewlett-Packard 16.67%
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