Is it OK to remove this SaleTracker app? I was going through apps I could uninstall and discovered this app called "Launcher" which lives in /system/app/SaleTracker.apk. Googling for the APK name suggests this is some sort of malware (checking with MalwareBytes didn't seem to confirm this) and should be removed, but I'd like to have a second opinion before removing a system component.
It isn't any vital Android component, as I don't have it on my OnePlus One, so you could go ahead and either freeze or remove it and see after a restart if that poses a problem. If so, you should have a backup ready to put it back to its former place.