Here is the etrecheck report:
EtreCheck version: 2.9.13 (267)
Report generated 2016-07-11 15:54:45
Download EtreCheck from https://etrecheck.com
Runtime 2:06
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Beachballing
Hardware Information: ⓘ
MacBook (Retina, 12-inch, Early 2016)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook - model: MacBook9,1
1 1.3 GHz Intel Core m7 CPU: 2-core
8 GB RAM Not upgradeable
BANK 0/DIMM0
4 GB LPDDR3 1867 MHz ok
BANK 1/DIMM0
4 GB LPDDR3 1867 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 15
Video Information: ⓘ
Intel HD Graphics 515
Color LCD 2560 x 1600
System Software: ⓘ
OS X El Capitan 10.11.5 (15F34) - Time since boot: about 3 days
Disk Information: ⓘ
APPLE SSD AP0512J disk0 : (500.28 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 315 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / : 498.95 GB (304.08 GB free)
Encrypted AES-XTS Unlocked
Core Storage: disk0s2 499.31 GB Online
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/Library/Extensions
[loaded] com.sophos.kext.sav (9.4.52 - SDK 10.9 - 2016-07-09) [Support]
[loaded] com.sophos.nke.swi (9.4.53 - SDK 10.9 - 2016-07-09) [Support]
System Launch Agents: ⓘ
[not loaded] 6 Apple tasks
[loaded] 147 Apple tasks
[running] 85 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 47 Apple tasks
[loaded] 152 Apple tasks
[running] 91 Apple tasks
Launch Agents: ⓘ
[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a...plist (2016-07-11) [Support]
[running] com.sophos.uiserver.plist (2016-07-09) [Support]
[not loaded] com.teamviewer.teamviewer.plist (2016-05-02) [Support]
[not loaded] com.teamviewer.teamviewer_desktop.plist (2016-05-02) [Support]
Launch Daemons: ⓘ
[running] com.adobe.ARMDC.Communicator.plist (2016-07-11) [Support]
[failed] com.adobe.ARMDC.SMJobBlessHelper.plist (2016-07-11) [Support]
[loaded] com.adobe.fpsaud.plist (2016-06-13) [Support]
[loaded] com.microsoft.autoupdate.helpertool.plist (2016-06-08) [Support]
[loaded] com.microsoft.office.licensingV2.helper.plist (2016-05-06) [Support]
[running] com.sophos.common.servicemanager.plist (2016-07-09) [Support]
[loaded] com.teamviewer.Helper.plist (2016-05-02) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2016-05-02) [Support]
User Launch Agents: ⓘ
[loaded] com.google.keystone.agent.plist (2016-07-11) [Support]
User Login Items: ⓘ
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Application (/Applications/Dropbox.app)
Google Drive Application (/Applications/Google Drive.app)
Other Apps: ⓘ
[running] com.google.GoogleDrive.70752
[running] com.microsoft.OneDrive-mac.75232
[loaded] com.microsoft.OneDriveLauncher
[running] com.microsoft.Outlook.66912
[running] com.sophos.autoupdate
[running] com.sophos.configuration
[running] com.sophos.intercheck
[running] com.sophos.mcs
[running] com.sophos.notification
[running] com.sophos.scan
[running] com.sophos.sxld
[running] com.sophos.webd
[loaded] 390 Apple tasks
[running] 216 Apple tasks
Internet Plug-ins: ⓘ
AdobePDFViewerNPAPI: 15.016.20045 - SDK 10.11 (2016-06-12) [Support]
FlashPlayer-10.6: 22.0.0.192 - SDK 10.9 (2016-07-07) [Support]
AdobePDFViewer: 15.016.20045 - SDK 10.11 (2016-06-12) [Support]
QuickTime Plugin: 7.7.3 (2016-06-07)
Flash Player: 22.0.0.192 - SDK 10.9 (2016-07-07) [Support]
Default Browser: 601 - SDK 10.11 (2016-06-07)
3rd Party Preference Panes: ⓘ
Flash Player (2016-06-13) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
118% mdworker(9)
31% SophosScanD
23% kernel_task
19% SophosWebIntelligence
11% com.apple.WebKit.WebContent(7)
Top Processes by Memory: ⓘ
2.21 GB com.apple.WebKit.WebContent(7)
849 MB kernel_task
287 MB com.apple.WebKit.Plugin.64
188 MB Safari
188 MB Mail
Virtual Memory Information: ⓘ
135 MB Free RAM
7.87 GB Used RAM (1.17 GB Cached)
78 MB Swap Used
Diagnostics Information: ⓘ
Jul 11, 2016, 03:47:53 PM /Library/Logs/DiagnosticReports/SophosWebIntelligence_2016-07-11-154753_[redact ed].crash
/Library/Sophos Anti-Virus/SophosWebIntelligence.bundle/Contents/MacOS/SophosWebIntelligence
Jul 11, 2016, 03:46:41 PM /Library/Logs/DiagnosticReports/SophosWebIntelligence_2016-07-11-154641_[redact ed].crash
Jul 11, 2016, 03:05:23 PM /Library/Logs/DiagnosticReports/SophosWebIntelligence_2016-07-11-150523_[redact ed].crash
Jul 11, 2016, 10:37:18 AM /Library/Logs/DiagnosticReports/SophosWebIntelligence_2016-07-11-103718_[redact ed].crash