You are bringing good point.
This is the EtreCheck report:
EtreCheck version: 4.3.6 (4D041)
Report generated: 2018-08-03 07:42:27
Download EtreCheck from https://etrecheck.com
Runtime: 3:30
Performance: Good
Problem: Computer is too slow
Major Issues:
Anything that appears on this list needs immediate attention.
No Time Machine backup - Time Machine backup not found.
Proxies - Network proxies detected. This could be evidence of malware.
Adware - Adware detected.
Old operating system - Old operating system versions no longer receive security updates.
Minor Issues:
These issues do not need immediate attention but they may indicate future problems.
Unsigned files - There are unsigned software file installed. They appear to be legitimate but should 32-bit Apps - This machine has 32-bits apps that may have problems in the future.
Hardware Information:
iMac (21.5-inch, Late 2012)
iMac Model: iMac13,1
1 2.7 GHz Intel Core i5 (i5-3330S) CPU: 4-core
8 GB RAM - Upgradeable
BANK 0/DIMM0 - 4 GB DDR3 1600 ok
BANK 1/DIMM0 - 4 GB DDR3 1600 ok
Video Information:
NVIDIA GeForce GT 640M - VRAM: 512 MB
iMac 1920 x 1080
Drives:
disk0 - APPLE HDD HTS541010A9E662 1.00 TB (Mechanical)
Internal SATA 3 Gigabit Serial ATA
disk0s1 - EFI [EFI] 210 MB
disk0s2 - Macintosh HD (Journaled HFS+) 999.35 GB
disk0s3 - Recovery HD [Recovery] 650 MB
Mounted Volumes:
disk0s2 - Macintosh HD 999.35 GB (832.54 GB free)
Journaled HFS+
Mount point: /
Network:
Interface usbmodem1411: LG CDMA USB Modem
Proxies: HTTPS
Interface Bluetooth-Modem: Bluetooth DUN
Proxies: HTTPS
Interface en0: Ethernet
One IPv4 address
Proxies: HTTPS
Interface en1: Wi-Fi
802.11 a/b/g/n
One IPv4 address
Proxies: HTTPS
Interface en2: Bluetooth PAN
Proxies: HTTPS
Interface bridge0: Thunderbolt Bridge
Proxies: HTTPS
System Software:
OS X Mavericks 10.9.5 (13F1911)
Time since boot: Less than an hour
System Load: 1.17 (1 min ago) 1.45 (5 min ago) 1.19 (15 min ago)
Security:
System Status
Gatekeeper Mac App Store and identified developers
Adware:
Launchd: /Library/LaunchAgents/PremierOpinionAgent.plist
Reason: Adware name match
Executable: /Applications/PremierOpinion/PremierOpinion.app/Contents/Resources/PremierOpini onAgent
Launchd: /Library/LaunchDaemons/PremierOpinion.plist
Reason: Adware name match
Executable: /Applications/PremierOpinion/.PremierOpinionrn.sh
Unsigned Files:
Launchd: /Library/LaunchDaemons/com.microsoft.office.licensing.helper.plist
Executable: /Library/PrivilegedHelperTools/com.microsoft.office.licensing.helper
Details: Exact match found in the whitelist - probably OK
32-bit Applications:
48 32-bit apps
System Launch Agents:
[Not Loaded] 5 Apple tasks
[Loaded] 143 Apple tasks
[Running] 36 Apple tasks
System Launch Daemons:
[Not Loaded] 47 Apple tasks
[Loaded] 137 Apple tasks
[Running] 63 Apple tasks
[Other] One Apple task
Launch Agents:
[Running] com.adobe.AdobeCreativeCloud.plist (? faec172d - installed 2014-02-05)
[Not
Loaded]
com.adobe.AAM.Updater-1.0.plist (? ffb65062 - installed 2018-04-27)
[Running] PremierOpinionAgent.plist (Adware - installed 2018-07-12)
[Loaded] com.google.keystone.agent.plist (Google, Inc. - installed 2018-07-18)
[Loaded] com.adobe.GC.Invoker-1.0.plist (Adobe Systems, Inc. - installed 2018-05-30)
[Other]
com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a2 3d420
d.plist (Adobe Systems, Inc. - installed 2018-02-15)
Launch Daemons:
[Loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (Adobe Systems, Inc. - installed 2018-[Running] PremierOpinion.plist (Adware - installed 2018-07-12)
[Loaded] com.adobe.fpsaud.plist (Adobe Systems, Inc. - installed 2018-06-25)
[Loaded] com.microsoft.office.licensing.helper.plist (? 6d8cb30e - installed 2015-08-21)
[Running] com.adobe.agsservice.plist (Adobe Systems, Inc. - installed 2018-05-30)
[Loaded] com.oracle.java.JavaUpdateHelper.plist (? 3298096d - installed 2014-02-09)
[Loaded] com.adobe.ARMDC.Communicator.plist (Adobe Systems, Inc. - installed 2018-02-[Running] com.adobe.agmservice.plist (Adobe Systems, Inc. - installed 2018-05-30)
[Loaded] com.google.keystone.daemon.plist (Google, Inc. - installed 2018-07-18)
[Loaded] com.skype.skypeinstaller.plist (? e22fb79d - installed 2015-10-04)
[Not Loaded] com.iOSinstaller.updd.plist (? 0 - installed 2015-12-29)
User Launch Agents:
[Loaded] com.adobe.GC.Invoker-1.0.plist (Adobe Systems, Inc. - installed 2018-06-24)
[Loaded] com.adobe.AAM.Updater-1.0.plist (? 0 - installed 2018-04-27)
[Loaded] com.adobe.ARM.***.plist (Adobe Systems, Inc. - installed 2017-11-01)
User Login Items:
iTunesHelper Application (Apple - installed 2017-07-25)
(/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
AdobeResourceSynchronizer Application (Adobe Systems, Inc. - installed 2018-02-13)
(/Applications/Adobe Reader.app/Contents/Support/AdobeResourceSynchronizer.app)
AdobeResourceSynchronizer Application (Adobe Systems, Inc. - installed 2018-07-13)
(/Applications/Adobe Acrobat DC/Adobe Acrobat.app/Contents/Helpers/AdobeResourceSynchronizer.PhotoStreamAgent SMLoginItem (Mac App Store - installed 2013-05-24)
(/Applications/iPhoto.app/Contents/Library/LoginItems/PhotoStreamAgent.app)
Internet Plug-ins:
o1dbrowserplugin: (installed 2015-12-15)
Default Browser: (installed 2015-04-16)
AdobeAAMDetect: (installed 2014-02-05)
FlashPlayer-10.6: (installed 2018-07-10)
AdobePDFViewerNPAPI: (installed 2018-07-13)
Silverlight: (installed 2014-08-16)
QuickTime Plugin: (installed 2016-08-30)
Flash Player: (installed 2018-07-10)
googletalkbrowserplugin: (installed 2015-12-11)
SharePointBrowserPlugin: (installed 2015-10-04)
AdobePDFViewer: (installed 2018-07-13)
DirectorShockwave: (installed 2013-06-27)
User Internet Plug-ins:
WebEx64: (installed 2013-04-27)
Picasa: (installed 2015-02-13)
Google Earth Web Plug-in: (installed 2013-02-27)
3rd Party Preference Panes:
Flash Player (installed 2018-06-25)
Time Machine:
Time Machine Not Configured!
Top Processes by CPU:
Process (count) Source % of CPU Location
PremierOpinionD ? 8 /Applications/PremierOpinion/PremierOpinion.app
WindowServer Apple 2
kernel_task Apple 2
Creative Cloud ? 0 /Applications/Utilities/Adobe Creative Cloud/ACC/Creative launchd (5) Apple 0
Process (count) Source % of CPU Location
PremierOpinionD ? 8 /Applications/PremierOpinion/PremierOpinion.app
WindowServer Apple 2
kernel_task Apple 2
Creative Cloud ? 0 /Applications/Utilities/Adobe Creative Cloud/ACC/Creative launchd (5) Apple 0
Top Processes by Memory:
Process (count) Source RAM usage Location
Google Chrome Helper (13) Google, Inc. 1.44 GB
kernel_task Apple 761 MB
Google Chrome Google, Inc. 273 MB
mds_stores Apple 191 MB
PremierOpinionD ? 164 MB /Applications/PremierOpinion/PremierOpinion.Top Processes by Energy Use:
Process (count) Source Energy (0-100) Location
PremierOpinionD ? 52 /Applications/PremierOpinion/PremierOpinion.Google Chrome Helper (13) Google, Inc. 18
Google Chrome Google, Inc. 12
WindowServer Apple 3
hidd Apple 0
Virtual Memory Information:
Available RAM 4.22 GB
Free RAM 2.10 GB
Used RAM 3.78 GB
Cached files 2.12 GB
Swap Used 0 B
Software Installs (past 30 days):
Name Version Install Date
Adobe Flash Player 30.0.0.134 2018-07-10
Adobe Acrobat DC (18.011.20055) 18.011.20055 2018-07-13
Gatekeeper Configuration Data 149 2018-07-30
Google Earth 1.2.10.105 2018-08-02
End of report