Hi Eric,
Thanks a lot for your suggestion. Please find the report below:
EtreCheck version: 3.0 (300)
Report generated 2016-08-14 17:22:20
Download EtreCheck from https://etrecheck.com
Runtime 1:54
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:
Cannot accept incoming connections even if the firewall is off
Hardware Information: ⓘ
MacBook Air (13-inch, Mid 2012)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Air - model: MacBookAir5,2
1 1.8 GHz Intel Core i5 CPU: 2-core
4 GB RAM Not upgradeable
BANK 0/DIMM0
2 GB DDR3 1600 MHz ok
BANK 1/DIMM0
2 GB DDR3 1600 MHz ok
Bluetooth: Good - Handoff/Airdrop2 supported
Wireless: en0: 802.11 a/b/g/n
Battery: Health = Check Battery - Cycle count = 620
Video Information: ⓘ
Intel HD Graphics 4000
Color LCD 1440 x 900
System Software: ⓘ
OS X Yosemite 10.10.5 (14F1909) - Time since boot: about 7 days
Disk Information: ⓘ
APPLE SSD TS128E disk0 : (121.33 GB) (Solid State - TRIM: Yes)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
Macintosh HD (disk1) / : 120.10 GB (62.28 GB free)
Core Storage: disk0s2 120.47 GB Online
USB Information: ⓘ
Apple Internal Memory Card Reader
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Inc. BRCM20702 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. FaceTime HD Camera (Built-in)
Thunderbolt Information: ⓘ
Apple Inc. thunderbolt_bus
Configuration files: ⓘ
/etc/hosts - Count: 1
Gatekeeper: ⓘ
Anywhere
Unknown Files: ⓘ
/Library/LaunchDaemons/com.thunder.ASDaemonService.plist
/Library/PrivilegedHelperTools/com.thunder.ASDaemonService
One unknown file found. [Check files]
Kernel Extensions: ⓘ
/Applications/Magican.app
[not loaded] com.magican.iokit.filemon (1.0.0 - SDK 10.7 - 2014-08-25) [Support]
[not loaded] com.magican.iokit.netmon (1.0.0 - SDK 10.7 - 2014-08-25) [Support]
/Library/Application Support/Avast/components/fileshield/unsigned
[not loaded] com.avast.AvastFileShield (2.1.0 - SDK 10.9 - 2014-02-21) [Support]
/Library/Application Support/Avast/components/proxy/unsigned
[not loaded] com.avast.PacketForwarder (1.4 - SDK 10.9 - 2014-02-21) [Support]
/Library/Application Support/Checkpoint/Endpoint Connect
[loaded] com.checkpoint.cpfw (835017002 - SDK 10.6 - 2016-08-14) [Support]
/System/Library/Extensions
[not loaded] com.wacom.kext.pentablet (Pen Tablet 5.3.2-2 - SDK 10.8 - 2016-08-02) [Support]
System Launch Agents: ⓘ
[not loaded] 5 Apple tasks
[loaded] 138 Apple tasks
[running] 58 Apple tasks
[killed] 11 Apple tasks
11 processes killed due to insufficient RAM
System Launch Daemons: ⓘ
[failed] com.apple.Kerberos.kdc.plist (2014-09-09)
[not loaded] 46 Apple tasks
[loaded] 128 Apple tasks
[running] 79 Apple tasks
[killed] 8 Apple tasks
8 processes killed due to insufficient RAM
Launch Agents: ⓘ
[failed] com.adobe.ARMDCHelper.cc24aef4a1b90ed56a725c38014c95072f92651fb65e1bf9c8e43c37a2 3d420d.plist (2016-07-11)
[not loaded] com.checkpoint.eps.gui.plist (2012-07-31) [Support]
[not loaded] com.checkpoint.eps.upgrader.plist (2012-07-31) [Support]
[loaded] com.google.keystone.agent.plist (2016-07-11)
[loaded] com.oracle.java.Java-Updater.plist (2015-08-09)
[running] com.sogou.SogouServices.plist (2013-10-24) [Support]
[not loaded] com.teamviewer.teamviewer.plist (2016-07-06)
[not loaded] com.teamviewer.teamviewer_desktop.plist (2016-07-06) [Support]
[not loaded] com.wacom.pentablet.plist (2015-11-02) [Support]
Launch Daemons: ⓘ
[loaded] com.adobe.ARMDC.Communicator.plist (2016-07-11) [Support]
[loaded] com.adobe.ARMDC.SMJobBlessHelper.plist (2016-07-11) [Support]
[failed] com.adobe.fpsaud.plist (2016-04-05)
[running] com.checkpoint.epc.service.plist (2012-07-31) [Support]
[loaded] com.google.keystone.daemon.plist (2016-07-11)
[loaded] com.macpaw.CleanMyMac3.Agent.plist (2016-04-30)
[loaded] com.microsoft.office.licensing.helper.plist (2014-05-09)
[loaded] com.oracle.java.Helper-Tool.plist (2015-08-09)
[loaded] com.teamviewer.Helper.plist (2016-07-06) [Support]
[not loaded] com.teamviewer.teamviewer_service.plist (2016-07-06)
[loaded] com.thunder.ASDaemonService.plist (2014-06-14) [Support]
User Launch Agents: ⓘ
[loaded] com.macpaw.CleanMyMac3.Scheduler.plist (2016-08-13) [Support]
User Login Items: ⓘ
CheatSheet Application (/Applications/CheatSheet.app)
MollyGuard Application (/Applications/MollyGuard.app)
CleanMyMac 3 Menu Application (/Applications/CleanMyMac 3.app/Contents/MacOS/CleanMyMac 3 Menu.app)
Internet Plug-ins: ⓘ
JavaAppletPlugin: Java 8 Update 71 build 15 (2016-04-30) Check version
WacomNetscape: 2.1.0-1 - SDK 10.8 (2012-12-11) [Support]
Default Browser: 600 - SDK 10.10 (2016-04-30)
WacomTabletPlugin: WacomTabletPlugin 2.1.0.2 (2012-12-11) [Support]
AdobePDFViewerNPAPI: 15.017.20053 - SDK 10.11 (2016-08-04) [Support]
FlashPlayer-10.6: 21.0.0.213 - SDK 10.6 (2016-04-30) [Support]
QuickTime Plugin: 7.7.3 (2016-07-27)
Flash Player: 21.0.0.213 - SDK 10.6 (2016-04-30) Outdated! Update
CMBSecurity: 1.0 - SDK 10.7 (2012-07-31) [Support]
SharePointBrowserPlugin: 14.4.2 - SDK 10.6 (2015-08-31) [Support]
AdobePDFViewer: 15.017.20053 - SDK 10.11 (2016-08-04) [Support]
MeetingJoinPlugin: Unknown - SDK 10.6 (2015-08-31) [Support]
User internet Plug-ins: ⓘ
FolxNetscapePlugIn: Unknown
WangwangPlugin 2: 1.3 - SDK 10.8 (2013-01-22) [Support]
aThunderPlugIn: Unknown - SDK 10.8 (2014-03-09) [Support]
npalicdo 2: 1.0 - SDK 10.6 (2013-04-08) [Support]
npalicdo: 1.0 - SDK 10.6 (2013-04-08) [Support]
npCNTVLive2: Unknown - SDK 10.9 (2014-06-11) [Support]
aliedit: 1.0.0.5 - SDK 10.7 (2013-09-22) [Support]
WangwangPlugin: 1.4 - SDK 10.9 (2015-03-10) [Support]
Safari Extensions: ⓘ
AdBlock - BetaFish, Inc. - https://getadblock.com (2015-09-30)
Thunder Extension - xunlei.com - http://mac.xunlei.com (2013-04-02)
Folx Safari Extension - Eltima Software - http://mac.eltima.com (2012-06-25)
3rd Party Preference Panes: ⓘ
Flash Player (2016-04-05) [Support]
Java (2016-04-30) [Support]
Paragon NTFS for Mac ® OS X (2016-04-30) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
8% WindowServer
3% fontd
2% kernel_task
0% NotificationCenter
0% cloudpaird
Top Processes by Memory: ⓘ
864 MB Google Chrome Helper(7)
539 MB kernel_task
250 MB Google Chrome
152 MB mdworker(6)
106 MB ocspd
Virtual Memory Information: ⓘ
77 MB Free RAM
3.92 GB Used RAM (1.10 GB Cached)
186 MB Swap Used
Diagnostics Information: ⓘ
Aug 13, 2016, 10:34:30 PM /Library/Logs/DiagnosticReports/???_2016-08-13-223430_[redacted].cpu_resource.d iag [Details]
???