User Agent

Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/27.0.1453.116 Safari/537.36 HubSpot Webcrawler

This user agent belongs to HubSpot Webcrawler. HubSpot, Inc. developed this Bot/Crawler. This Bot/Crawler run on WinXP and it renders web contents with WebKit on Windows Desktop.

Bot/Crawler - HubSpot Webcrawler

HubSpot Webcrawler

Version? @ 32 bit
DeveloperHubSpot, Inc.
ParentHubSpot Webcrawler
Platform windows 5.1 (32 bit) by Microsoft Corporation
Device TypeDesktop

Act as 

Mobile No
Tablet No
Crawler Yes
Fake No
Anonymized No

Capabilities

Rendering EngineWebKit by Apple Inc (For Google Chrome, iOS (including both mobile Safari, WebViews within third-party apps, and web clips), Safari, Arora, Midori, OmniWeb, Shiira, iCab since version 4, Web, SRWare Iron, Rekonq, and in Maxthon 3.)
Pointingmouse
Javascript Yes
CSS Yes Version: 3
Cookies Yes
Tables Yes
Frames Yes
IFrames Yes
Background Sounds No
Java Applets Yes
VB Script No
Activex No