First of all, thanks for the quick reply.
I'm sending know the results of Etrecheck.
EtreCheck version: 2.9.10 (261)
Report generated 2016-03-27 20:41:13
Download EtreCheck from https://etrecheck.com
Runtime 53:14
Performance: Poor
Click the [Support] links for help with non-Apple products.
Click the [Details] links for more information about that line.
Click the [Remove] links to remove adware.
Click the [Check files] link for help with unknown files.
Problem: Computer is too slow
Hardware Information: ⓘ
MacBook Pro (15-inch, Mid 2010)
[Technical Specifications] - [User Guide] - [Warranty & Service]
MacBook Pro - model: MacBookPro6,2
1 2.53 GHz Intel Core i5 CPU: 2-core
4 GB RAM Upgradeable - [Instructions]
BANK 0/DIMM0
2 GB DDR3 1067 MHz ok
BANK 1/DIMM0
2 GB DDR3 1067 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Battery: Health = Normal - Cycle count = 1401
Video Information: ⓘ
Intel HD Graphics
NVIDIA GeForce GT 330M - VRAM: 256 MB
Color LCD 1440 x 900
System Software: ⓘ
OS X Yosemite 10.10.5 (14F1713) - Time since boot: about one hour
Disk Information: ⓘ
Hitachi HTS545050B9SA02 disk0 : (500.11 GB) (Rotational)
EFI (disk0s1) <not mounted> : 210 MB
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
MFCmbp HD (disk1) / : 498.88 GB (321.71 GB free)
Core Storage: disk0s2 499.25 GB Online
MATSHITADVD-R UJ-898 ()
USB Information: ⓘ
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Internal Memory Card Reader
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. Built-in iSight
Apple Computer, Inc. IR Receiver
Gatekeeper: ⓘ
Anywhere
Adware: ⓘ
~/Library/Caches/com.apple.Safari/Extens...safariextension
~/Library/Caches/com.apple.Safari/Extens...safariextension
~/Library/Caches/com.apple.Safari/Extensions/Searchme-2.safariextension
~/Library/Caches/com.apple.Safari/Extensions/Slick Savings.safariextension
4 adware files found. [Remove]
Unknown Files: ⓘ
/Library/LaunchAgents/com.Seagate.Sdrive.plist
/Applications/Sdrive/Sdrive.app/Contents/MacOS/Sdrive
One unknown file found. [Check files]
Kernel Extensions: ⓘ
/Library/Application Support/VirtualBox
[loaded] org.virtualbox.kext.VBoxDrv (5.0.16 - 2016-03-25) [Support]
[loaded] org.virtualbox.kext.VBoxNetAdp (5.0.16 - 2016-03-25) [Support]
[loaded] org.virtualbox.kext.VBoxNetFlt (5.0.16 - 2016-03-25) [Support]
[loaded] org.virtualbox.kext.VBoxUSB (5.0.16 - 2016-03-25) [Support]
/Library/Extensions
[loaded] com.epson.driver.EPSONProjectorAudio (1.40 - SDK 10.6 - 2016-03-27) [Support]
/System/Library/Extensions
[loaded] com.Cycling74.driver.Soundflower (1.6.6 - SDK 10.6 - 2016-03-27) [Support]
[not loaded] com.devguru.driver.SamsungComposite (1.4.32 - SDK 10.6 - 2016-03-27) [Support]
/System/Library/Extensions/ssuddrv.kext/Contents/PlugIns
[not loaded] com.devguru.driver.SamsungACMControl (1.4.32 - SDK 10.6 - 2015-06-16) [Support]
[not loaded] com.devguru.driver.SamsungACMData (1.4.32 - SDK 10.6 - 2015-06-16) [Support]
[not loaded] com.devguru.driver.SamsungMTP (1.4.32 - SDK 10.5 - 2015-06-16) [Support]
[not loaded] com.devguru.driver.SamsungSerial (1.4.32 - SDK 10.6 - 2015-06-16) [Support]
~/Library/Application Support/Transmit/Transmit Disk.app
[not loaded] com.panic.TransmitDisk.transmitdiskfs (4.0.0 - SDK 10.6 - 2013-10-22) [Support]
System Launch Agents: ⓘ
[running] com.paragon.NTFS.notify.plist (2015-03-18) [Support]
[not loaded] 4 Apple tasks
[loaded] 146 Apple tasks
[running] 47 Apple tasks
[killed] 15 Apple tasks
15 processes killed due to insufficient RAM
System Launch Daemons: ⓘ
[not loaded] 45 Apple tasks
[loaded] 138 Apple tasks
[running] 66 Apple tasks
[killed] 13 Apple tasks
13 processes killed due to insufficient RAM
Launch Agents: ⓘ
[running] com.Seagate.Sdrive.plist (2015-08-19) [Support]
[loaded] com.adobe.CS4ServiceManager.plist (2013-04-13) [Support]
[loaded] com.google.keystone.agent.plist (2016-03-03) [Support]
[loaded] com.oracle.java.Java-Updater.plist (2013-06-11) [Support]
[loaded] com.paragon.updater.plist (2015-03-18) [Support]
[running] org.chromium.chromoting.plist (2016-02-05) [Support]
[loaded] org.macosforge.xquartz.startx.plist (2013-11-11) [Support]
Launch Daemons: ⓘ
[loaded] com.DesignScience.DSMTTool.plist (2015-07-21) [Support]
[failed] com.adobe.fpsaud.plist (2016-03-07) [Support]
[loaded] com.adobe.versioncueCS4.plist (2013-10-28) [Support]
[running] com.eltima.eveusb.daemon.plist (2016-01-24) [Support]
[loaded] com.google.keystone.daemon.plist (2016-03-03) [Support]
[loaded] com.microsoft.office.licensing.helper.plist (2010-08-25) [Support]
[loaded] com.oracle.java.Helper-Tool.plist (2013-06-11) [Support]
[loaded] com.paragon.ntfs12.refresh.plist (2015-08-23) [Support]
[loaded] org.macosforge.xquartz.privileged_startx.plist (2013-11-11) [Support]
[not loaded] org.virtualbox.startup.plist (2016-03-25) [Support]
User Launch Agents: ⓘ
[loaded] com.citrixonline.GoToMeeting.G2MUpdate.plist (2015-03-04) [Support]
[loaded] com.facebook.videochat.[redacted].plist (2014-08-10) [Support]
[loaded] com.spotify.webhelper.plist (2015-08-01) [Support]
[not loaded] org.virtualbox.vboxwebsrv.plist (2016-03-25) [Support]
User Login Items: ⓘ
iTunesHelper Application (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
BoxSyncHelper UNKNOWN (missing value)
Dropbox Application (/Applications/Dropbox.app)
TomTomHOMERunner UNKNOWN Hidden (missing value)
Android File Transfer Agent Application (~/Library/Application Support/Google/Android File Transfer/Android File Transfer Agent.app)
KiesAgent UNKNOWN Hidden (missing value)
Google Drive Application (/Applications/Google Drive.app)
MEGAsync Application (/Applications/MEGAsync.app)
fuspredownloader Application Hidden (~/Library/Application Support/.FUS/fuspredownloader.app)
Other Apps: ⓘ
[running] OpenObject.fuspredownloader.90060
[running] com.getdropbox.dropbox.114200
[running] com.google.GoogleDrive.82676
[running] com.google.android.mtpagent.47460
[running] mega.mac.41780
[loaded] 375 Apple tasks
[running] 140 Apple tasks
[killed] 31 Apple tasks
Internet Plug-ins: ⓘ
JavaAppletPlugin: Java 8 Update 65 build 17 (2016-03-22) Check version
FlashPlayer-10.6: 21.0.0.182 - SDK 10.6 (2016-03-13) [Support]
QuickTime Plugin: 7.7.3 (2016-03-27)
Flash Player: 21.0.0.182 - SDK 10.6 (2016-03-13) Outdated! Update
AdobePDFViewer: 9.0.0 (2013-05-13) [Support]
Default Browser: 600 - SDK 10.10 (2015-08-23)
ChemDraw Plugin Pro: 14 . 0 . 0 - SDK 10.6 (2014-09-10) [Support]
SharePointBrowserPlugin: 14.3.4 - SDK 10.6 (2013-05-27) [Support]
Silverlight: 5.1.30514.0 - SDK 10.6 (2014-07-25) [Support]
iPhotoPhotocast: 7.0 - SDK 10.8 (2013-05-14)
User internet Plug-ins: ⓘ
CitrixOnlineWebDeploymentPlugin: 1.0.105 (2013-04-26) [Support]
Box Edit: 1.2.17(341) - SDK 10.8 (2014-10-27) [Support]
Safari Extensions: ⓘ
AdBlock (2015-10-02)
Searchme (cache only) (2014-11-03) Adware! [Remove]
Adblock Plus (2016-01-24)
Slick Savings (cache only) (2014-11-03) Adware! [Remove]
Amazon Shopping Assistant (cache only) (2014-11-03) Adware! [Remove]
Ebay Shopping Assistant (cache only) (2014-11-03) Adware! [Remove]
3rd Party Preference Panes: ⓘ
Adobe Version Cue CS4 (2013-10-28) [Support]
remoting_host_prefpane (2016-02-17) [Support]
Flash Player (2016-03-07) [Support]
FUSE for OS X (OSXFUSE) (2015-06-14) [Support]
Java (2015-11-15) [Support]
Paragon NTFS for Mac ® OS X (2015-08-23) [Support]
Perian (2011-07-23) [Support]
Time Machine: ⓘ
Time Machine not configured!
Top Processes by CPU: ⓘ
18% Finder
12% kernel_task
9% WindowServer
4% com.apple.WebKit.Networking
2% Sdrive
Top Processes by Memory: ⓘ
758 MB com.apple.WebKit.WebContent(11)
513 MB kernel_task
307 MB Safari
160 MB firefox
135 MB repair_packages
Virtual Memory Information: ⓘ
18 MB Free RAM
3.86 GB Used RAM (429 MB Cached)
245 MB Swap Used
Diagnostics Information: ⓘ
Mar 27, 2016, 07:33:42 PM /Library/Logs/DiagnosticReports/firefox_2016-03-27-193342_[redacted].cpu_resour ce.diag [Details]
/Applications/Firefox.app/Contents/MacOS/firefox
Mar 27, 2016, 07:30:54 PM /Library/Logs/DiagnosticReports/App Store_2016-03-27-193054_[redacted].hang
/Applications/App Store.app/Contents/MacOS/App Store
Mar 27, 2016, 07:10:21 PM ~/Library/Logs/DiagnosticReports/system_profiler_2016-03-27-191021_[redacted].c rash
/usr/sbin/system_profiler
Mar 27, 2016, 06:47:09 PM Self test - passed
Mar 27, 2016, 06:39:36 PM /Library/Logs/DiagnosticReports/Google Drive_2016-03-27-183936_[redacted].crash
/Applications/Google Drive.app/Contents/MacOS/Google Drive
Mar 27, 2016, 05:47:45 PM ~/Library/Logs/DiagnosticReports/Beatport Pro_2016-03-27-174745_[redacted].crash
com.beatport.BeatportPro - /Applications/Beatport Pro.app/Contents/MacOS/Beatport Pro
Mar 27, 2016, 04:17:14 PM ~/Library/Logs/DiagnosticReports/Beatport Pro_2016-03-27-161714_[redacted].crash
Mar 27, 2016, 04:15:52 PM /Library/Logs/DiagnosticReports/Safari_2016-03-27-161552_[redacted].hang
/Applications/Safari.app/Contents/MacOS/Safari
Mar 27, 2016, 03:52:14 PM /Library/Logs/DiagnosticReports/systemstats_2016-03-27-155214_[redacted].crash
/usr/sbin/systemstats
Mar 26, 2016, 09:48:24 PM /Library/Logs/DiagnosticReports/com.apple.WebKit.WebContent_2016-03-26-214824_[ redacted].hang
/System/Library/StagedFrameworks/Safari/WebKit.framework/Versions/A/XPCServices /com.apple.WebKit.WebContent.xpc/Contents/MacOS/com.apple.WebKit.WebContent
Mar 26, 2016, 09:36:19 PM ~/Library/Logs/DiagnosticReports/plugin-container_2016-03-26-213619_[redacted]. crash
org.mozilla.plugincontainer - /Applications/Firefox.app/Contents/MacOS/plugin-container.app/Contents/MacOS/pl ugin-container
Mar 26, 2016, 09:36:16 PM ~/Library/Logs/DiagnosticReports/firefox_2016-03-26-213616_[redacted].crash
Mar 26, 2016, 08:58:35 PM /Library/Logs/DiagnosticReports/firefox_2016-03-26-205835_[redacted].cpu_resour ce.diag [Details]
Mar 26, 2016, 08:49:04 PM /Library/Logs/DiagnosticReports/Finder_2016-03-26-204904_[redacted].cpu_resourc e.diag [Details]
/System/Library/CoreServices/Finder.app/Contents/MacOS/Finder
Mar 26, 2016, 07:50:04 PM ~/Library/Logs/DiagnosticReports/plugin-container_2016-03-26-195004_[redacted]. crash
Mar 26, 2016, 02:52:49 PM /Library/Logs/DiagnosticReports/Skype_2016-03-26-145249_[redacted].hang
/Applications/Skype.app/Contents/MacOS/Skype
Mar 25, 2016, 09:02:02 PM /Library/Logs/DiagnosticReports/firefox_2016-03-25-210202_[redacted].hang
Mar 25, 2016, 08:48:04 PM ~/Library/Logs/DiagnosticReports/plugin-container_2016-03-25-204804_[redacted]. crash
Mar 25, 2016, 10:10:25 AM ~/Library/Logs/DiagnosticReports/system_profiler_2016-03-25-101025_[redacted].c rash
Thanks