Manual method to remove malware .
To locate the path of malware , open Activity monitor through spotlight , select a process and click on I icon and click on open files and ports , you can copy the file and paste in search bar of the activity monitor to find the path in the folder say in system library and user library .
Open system preferences and click on users and groups , open the pad lock by entering admin name and password ( in case if it's an admin account ) , select login items , if you see unknown app select it and click on subtract sign to get deleted .
In system preferences itself click on Security and privacy , click on Accessibility then privacy select the unknown app click on subtract sign to get deleted .
Click on finder and search in Applications and download folder .Â
The next step would be enter in System Library .
Click on Finder , take cursor on top menu bar click on Go - Computer - Macintosh HDÂ - LibraryÂ
You have to manually search malware in some folders where they reside .
1.Application SupportÂ
2.CachesÂ
3.LaunchAgents
4.LaunchDaemons
5.LogsÂ
6.PriviledgedHelperTools
7.Startup-items
8.Receipts
9.Preferences - the plist of malware is to be removed , if there is com.apple .xxxx .plist.lockfile or com.apple.xxx.plistlockfile it's an indication ( xxx denotes malware .plist )Â and the small folder before it will turn black and it's a symptom of the malware , also it could be com.apple.xxx.plistÂ
10.Extensions
11.Frameworks
12.internet Plug -ins
13.Input Methods
14.ScriptingAdditions
Enter in User library - click on finder > Go > hold option key > Library
Search Malware in foldersÂ
1.Application SupportÂ
2.Caches
3.Cookies
4.Safari
5.Logs
6.Saved Application State
7.LaunchAgents
8.Internet Plug -ins
9.Input Methods
10.Preferences - com.apple.xxx.plist ( xxx - denotes the malware .plist )Â
11.Containers are also to be checked .
 Again click on Finder - Go - Computer - Macintosh HD - System - Library - Frameworks - search the malware in Framework folder .
Right click on malware from the above folders and move to the trash , restart the computer and empty the trash .
Note : you can also run malware bytes to remove malware .