Have you checked the activity monitor if there are any CPU heavy processes running in the background? Maybe make an Etrecheck and post it here.
https://etrecheck.com/
EtreCheck version: 3.0.6 (315)
Report generated 2016-09-30 23:01:35
Download EtreCheck from https://etrecheck.com
Runtime 2:08
Performance: Excellent
Click the
[Support] links for help with non-Apple products.
Click the
[Details] links for more information about that line.
Problem: No problem - just checking
Hardware Information: ⓘ
MacBook Air
[Technical Specifications] -
[User Guide] -
[Warranty & Service]
MacBook Air - model: MacBookAir6,2
1 1,7 GHz Intel Core i7 CPU: 2-core
8 GB RAM Not upgradeable
BANK 0/DIMM0
4 GB DDR3 1600 MHz ok
BANK 1/DIMM0
4 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n/ac
Battery: Health = Normal - Cycle count = 515
Video Information: ⓘ
Intel HD Graphics 5000
Color LCD 1440 x 900
System Software: ⓘ
macOS Sierra 10.12 (16A323) - Time since boot: less than an hour
Disk Information: ⓘ
APPLE SSD SM0512F disk0 : (500,28 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Mac (disk1) / [Startup]: 498.40 GB (33.95 GB free)
Core Storage: disk0s2 498.77 GB Online
USB Information: ⓘ
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Configuration files: ⓘ
/etc/sudoers, File size 1302 but expected 1563
/etc/hosts - Count: 14
Gatekeeper: ⓘ
Mac App Store and identified developers
Unknown Files: ⓘ
/Library/LaunchDaemons/com.iobit.AMCDaemon.plist
/Library/Application Support/MacBooster/AMCDaemon -load
One unknown file found. [Check files]
Kernel Extensions: ⓘ
/Applications/AirParrot 2.app
[loaded] com.squirrels.airparrot.framebuffer (1.6 - SDK 10.10 - 2016-08-09)
[Support]
[loaded] com.squirrels.driver.AirParrotSpeakers (1.8 - SDK 10.8 - 2016-08-09)
[Support]
/Applications/DAEMON Tools Lite.app
[not loaded] com.disc-soft.DAEMONTools.VirtualSCSIBus (1.0.1 - SDK 10.8 - 2013-11-28)
[Support]
/Applications/DiskWarrior.app
[not loaded] com.alsoft.Preview (5.0 - SDK 10.5 - 2014-12-12)
[Support]
/Applications/Elmedia Player.app
[not loaded] com.eltima.ElmediaPlayer.kext (1.0 - SDK 10.4 - 2013-11-28)
[Support]
/Applications/Parallels Desktop.app
[not loaded] com.parallels.kext.hypervisor (11.0.1 31277 - SDK 10.9 - 2015-09-22)
[Support]
[not loaded] com.parallels.kext.netbridge (11.0.1 31277 - SDK 10.9 - 2015-09-22)
[Support]
[not loaded] com.parallels.kext.usbconnect (11.0.1 31277 - SDK 10.9 - 2015-09-22)
[Support]
[not loaded] com.parallels.kext.vnic (11.0.1 31277 - SDK 10.9 - 2015-09-22)
[Support]
/Applications/Private Eye.app
[not loaded] com.radiosilenceapp.nke.PrivateEye (1.0 - SDK 10.7 - 2016-09-01)
[Support]
/Applications/Toast Titanium.app
[not loaded] com.roxio.TDIXController (2.0 - 2016-07-09)
[Support]
/System/Library/Extensions
[not loaded] com.Cycling74.driver.Soundflower (1.5.1 - 2016-09-25)
[Support]
[not loaded] com.Ralink.driver.RT2870USBWirelessDriver (1.2.4.0a - 2016-09-25)
[Support]
[not loaded] com.devguru.driver.SamsungComposite (1.4.31 - SDK 10.6 - 2016-09-25)
[Support]
[not loaded] com.dymo.usbprinterclassdriver.kext (1.1 - SDK 10.10 - 2016-09-25)
[Support]
[not loaded] com.elgato.driver.DontMatchAfaTech (1.1 - 2016-09-25)
[Support]
[not loaded] com.elgato.driver.DontMatchCinergy450 (1.1 - 2016-09-25)
[Support]
[not loaded] com.elgato.driver.DontMatchCinergyXS (1.1 - 2016-09-25)
[Support]
[not loaded] com.elgato.driver.DontMatchEmpia (1.1 - 2016-09-25)
[Support]
[not loaded] com.elgato.driver.DontMatchVoyager (1.1 - 2016-09-25)
[Support]
[not loaded] com.eltima.SyncMate.kext (0.2.4b9 - 2016-09-25)
[Support]
[not loaded] com.jft.driver.PdaNetDrv (1.0.0d1 - 2016-09-25)
[Support]
[not loaded] com.roxio.BluRaySupport (1.1.6 - 2016-09-25)
[Support]
/System/Library/Extensions/ssuddrv.kext/Contents/PlugIns
[not loaded] com.devguru.driver.SamsungACMControl (1.4.31 - SDK 10.6 - 2015-03-02)
[Support]
[not loaded] com.devguru.driver.SamsungACMData (1.4.31 - SDK 10.6 - 2015-03-02)
[Support]
[not loaded] com.devguru.driver.SamsungMTP (1.4.31 - SDK 10.5 - 2015-03-02)
[Support]
[not loaded] com.devguru.driver.SamsungSerial (1.4.31 - SDK 10.6 - 2015-03-02)
[Support]
Startup Items: ⓘ
TuxeraNTFSUnmountHelper: Path: /Library/StartupItems/TuxeraNTFSUnmountHelper
Startup items no longer function in OS X Yosemite or later
System Launch Agents: ⓘ
[not loaded] 7 Apple tasks
[loaded] 166 Apple tasks
[running] 98 Apple tasks
System Launch Daemons: ⓘ
[not loaded] 36 Apple tasks
[loaded] 161 Apple tasks
[running] 106 Apple tasks
Launch Agents: ⓘ
[running] com.bitdefender.antivirusformac.plist (2016-01-19)
[Support]
[running] com.teamviewer.teamviewer.plist (2016-09-30)
[Support]
[running] com.teamviewer.teamviewer_desktop.plist (2016-09-30)
[Support]
[loaded] org.glimmerblocker.installer.plist (2016-09-22)
[Support]
Launch Daemons: ⓘ
[running] com.MacRemover.Remover.DaemonServer.plist (2016-07-04)
[Support]
[loaded] com.apple.aelwriter.plist (2011-11-04)
[running] com.bitdefender.AuthHelperTool.plist (2016-01-19)
[Support]
[loaded] com.bitdefender.upgrade.plist (2016-01-19)
[Support]
[loaded] com.bombich.ccchelper.plist (2016-07-04)
[Support]
[loaded] com.corecode.UninstallPKGDeleteHelper.plist (2016-07-04)
[Support]
[loaded] com.disc-soft.DAEMONTools.PrivilegedHelper.plist (2016-07-04)
[Support]
[running] com.iobit.AMCDaemon.plist (2016-07-04)
[Support]
[loaded] com.iwaxx.Debookee.PacketTool.plist (2014-01-27)
[Support]
[loaded] com.macpaw.CleanMyMac2.Agent.plist (2016-07-04)
[Support]
[loaded] com.macpaw.CleanMyMac3.Agent.plist (2016-08-09)
[Support]
[loaded] com.prosofteng.DriveGenius.locum.plist (2016-07-04)
[Support]
[failed] com.radiosilenceapp.nke.PrivateEye.plist (2011-10-06)
[loaded] com.teamviewer.Helper.plist (2016-08-26)
[Support]
[running] com.teamviewer.teamviewer_service.plist (2016-09-30)
[Support]
[loaded] org.cindori.AuthHelper.plist (2016-07-04)
[Support]
[running] org.glimmerblocker.proxy.plist (2016-09-22)
[Support]
User Launch Agents: ⓘ
[not loaded] com.iobit.MacBoosterMini.plist (2016-07-05)
[Support]
[loaded] com.macpaw.CleanMyMac3.Scheduler.plist (2016-08-29)
[running] com.spotify.webhelper.plist (2016-09-11)
[Support]
[not loaded] org.hola.vpn.plist (2016-08-16)
[running] org.xbmc.helper.plist (2016-09-26)
[Support]
User Login Items: ⓘ
Macs Fan Control Application (/Applications/Macs Fan Control.app)
WiFi Signal Application (/Applications/WiFi Signal.app)
Dropbox Application (/Applications/Dropbox.app)
handyPrintUserDaemon Application (/Applications/handyPrint.app/Contents/Library/LoginItems/handyPrintUserDaemon.app)
Internet Plug-ins: ⓘ
QuickTime Plugin: 7.7.3 (2016-09-14)
Silverlight: 5.1.41212.0 - SDK 10.6 (2016-08-09)
[Support]
User internet Plug-ins: ⓘ
npUplayer.1.0.2.7: mydlink services plugin_x86_64 1.0.2.7 - SDK 10.9 (2015-12-11)
[Support]
Picasa: 1.0 - SDK 10.6 (2015-10-13)
[Support]
Safari Extensions: ⓘ
1Password - AgileBits -
https://agilebits.com/onepassword (2016-09-27)
AdBlock - BetaFish, Inc. -
https://getadblock.com (2016-05-22)
Blur - Abine, the online privacy company. -
https://www.abine.com (2016-09-30)
TrafficLight - Bitdefender SRL -
http://trafficlight.bitdefender.com/ (2016-08-27)
VideoCatcher - Capibara -
http://www.youtubehunter.com (2015-08-08)
SaveFrom.net helper - SaveFrom.net -
http://savefrom.net (2016-01-16)
3rd Party Preference Panes: ⓘ
remoting_host_prefpane (2016-08-09)
[Support]
GlimmerBlocker (2016-01-10)
[Support]
Perian (2011-11-02)
[Support]
Tuxera NTFS (2016-08-09)
[Support]
GRproofing (2015-10-01)
[Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
59% BDLDaemon
18% kernel_task
6% WindowServer
6% cloudphotosd
5% coreaudiod
Top Processes by Memory: ⓘ
782 MB kernel_task
360 MB mdworker(15)
295 MB BDLDaemon
180 MB Dropbox
172 MB mds_stores
Virtual Memory Information: ⓘ
2.23 GB Free RAM
5.77 GB Used RAM (3.98 GB Cached)
0 B Swap Used
Diagnostics Information: ⓘ
Sep 30, 2016, 10:58:37 PM Self test - passed
Sep 30, 2016, 10:55:46 PM /Library/Logs/DiagnosticReports/BDLDaemon_2016-09-30-225546_[redacted].cpu_resource.diag
[Details]
/Library/Bitdefender/*/antivirus.bundle/BDLDaemon
Sep 29, 2016, 11:12:41 PM ~/Library/Logs/DiagnosticReports/VLC_2016-09-29-231241_[redacted].crash
org.videolan.vlc - /Applications/VLC.app/Contents/MacOS/VLC
Sep 29, 2016, 10:55:01 PM ~/Library/Logs/DiagnosticReports/iTunes_2016-09-29-225501_[redacted].crash
com.apple.iTunes - /Applications/iTunes.app/Contents/MacOS/iTunes