PackageManager pm = mContext.getPackageManager();
List< ApplicationInfo > appList = pm.getInstalledApplications( 0 );
int nSize = appList.size();
for ( int i = 0; i < nSize; i++ )
{
if ( appList.get(i).packageName.indexOf("해킹앱패키지명") != -1 )
{
System.exit(0);
}
}