OK - I finally got etrecheck to run. The report is long but I will post below. One thing: several times I have checked my current Flash version at the Adobe site and found it to be current. As you know, Chrome usually keeps it up to date automatically.
EtreCheck version: 3.0.4 (308)
Report generated 2016-09-20 14:58:47
Download EtreCheck from https://etrecheck.com
Runtime 2:40
Performance: Excellent
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Problem: Other problem
Description:
suspect malware
Hardware Information: ⓘ
iMac (21.5-inch, Mid 2010)
[Technical Specifications] - [User Guide] - [Warranty & Service]
iMac - model: iMac11,2
1 3.06 GHz Intel Core i3 CPU: 2-core
4 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
Empty
BANK 1/DIMM0
Empty
BANK 0/DIMM1
2 GB DDR3 1333 MHz ok
BANK 1/DIMM1
2 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ⓘ
ATI Radeon HD 4670 - VRAM: 256 MB
iMac 1920 x 1080
System Software: ⓘ
OS X El Capitan 10.11.6 (15G31) - Time since boot: about 11 days
Disk Information: ⓘ
ST3500418AS disk0 : (500.11 GB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / : 499.25 GB (466.00 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
HL-DT-STDVDRW GA32N ()
USB Information: ⓘ
Apple, Inc. Keyboard Hub
Fitbit Inc. Fitbit Base Station
Apple, Inc Apple Keyboard
Apple Card Reader
Apple Inc. BRCM2046 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Computer, Inc. IR Receiver
Apple Inc. Built-in iSight
Gatekeeper: ⓘ
Mac App Store and identified developers
Kernel Extensions: ⓘ
/System/Library/Extensions
[not loaded] com.Logitech.Control Center.HID Driver (3.3.0 - 2016-08-02) [Support]
[not loaded] com.Logitech.Unifying.HID Driver (1.2.0-302 - 2016-08-02) [Support]
System Launch Agents: ⓘ
[not loaded] 9 Apple tasks
[loaded] 153 Apple tasks
[running] 76 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 46 Apple tasks
[loaded] 153 Apple tasks
[running] 92 Apple tasks
Launch Agents: ⓘ
[running] com.Logitech.Control Center.Daemon.plist (2010-05-31) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-12) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.fpsaud.plist (2016-06-28) [Support]
[loaded] com.barebones.authd.plist (2012-04-22) [Support]
[loaded] com.barebones.textwrangler.plist (2010-08-14) [Support]
[running] com.fitbit.galileod.plist (2012-10-05) [Support]
[loaded] com.google.keystone.daemon.plist (2016-09-02) [Support]
[running] com.malwarebytes.HelperTool.plist (2016-09-19) [Support]
User Launch Agents: ⓘ
[failed] com.apple.CSConfigDotMacCert-[...]@me.com-SharedServices.Agent.plist (2010-08-11)
User Login Items: ⓘ
Fitbit Connect Menubar Helper Application (/Applications/Fitbit Connect.app/Contents/MacOS/Fitbit Connect Menubar Helper.app)
Google Chrome Application (/Applications/Google Chrome.app)
Photo Stream URL SMLoginItem (/Applications/iPhoto.app/Contents/Library/LoginItems/PhotoStreamAgent.app)
Internet Plug-ins: ⓘ
FlashPlayer-10.6: 20.0.0.286 - SDK 10.6 (2016-01-25) [Support]
QuickTime Plugin: 7.7.3 (2016-07-24)
Flash Player: 20.0.0.286 - SDK 10.6 (2016-01-25) Outdated! Update
Default Browser: 601 - SDK 10.11 (2016-07-24)
OfficeLiveBrowserPlugin: 12.3.6 (2013-03-25) [Support]
Google Earth Web Plug-in: 5.2 (2010-09-01) [Support]
PepperFlashPlayer: 22.0.0.209 - SDK 10.6 (2016-07-24) [Support]
DirectorShockwave: 12.0.4r144 - SDK 10.6 (2013-09-04) [Support]
iPhotoPhotocast: 7.0 (2010-07-21)
Safari Extensions: ⓘ
feedly - The feedly team - http://www.feedly.com (2013-11-02)
3rd Party Preference Panes: ⓘ
Flash Player (2016-06-28) [Support]
Logitech Control Center (2010-05-31) [Support]
Time Machine: ⓘ
Skip System Files: NO
Auto backup: NO - Auto backup turned off
Volumes being backed up:
Macintosh HD: Disk size: 499.25 GB Disk used: 33.25 GB
Destinations:
Time Machine Backups [Local]
Total size: 999.86 GB
Total number of backups: 248
Oldest backup: 8/20/10, 6:03 PM
Last backup: 9/18/16, 5:45 AM
Size of backup disk: Adequate
Backup size 999.86 GB > (Disk used 33.25 GB X 3)
Top Processes by CPU: ⓘ
38% mdworker(11)
2% WindowServer
1% kernel_task
0% fontd
0% askpermissiond
Top Processes by Memory: ⓘ
1.20 GB Google Chrome Helper(10)
442 MB kernel_task
283 MB Google Chrome
225 MB mdworker(11)
74 MB softwareupdated
Virtual Memory Information: ⓘ
41 MB Free RAM
3.96 GB Used RAM (1.02 GB Cached)
74 MB Swap Used