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Content import os, badge, appglue, dialogs whitelist = ['devlol_antivirus', 'devlol_installer'] known_viruses = ['ascii_porn', 'the_legend_of_zelda', 'internship', '1p0rn', 'another_hack_simulator', 'Internship', 'devlol', 'powny', 'lsd', 'badge_hardware_test', 'data_sha2017', 'botnet'] known_src_signatures = ['install(\'Internship\')', '92.222.19.24', 'paradoxis.nl', '199.188.200.169', 'project1.online', '138.68.123.149', 'kalium.xyz', 'install(str(aa)', 'ransom_', 'heldhostage!', 'virus', 'l.write(\'blah\')'] def get_program_from_path(path): return path.split('/')[-1] def uninstall_ransomware_without_prompt(path): for files in os.listdir(path): os.remove(path + "/" + files) os.rmdir(path) def uninstall_ransomware(path): if dialogs.prompt_boolean('Do you want to remove the detected virus {} anyway?'.format(get_program_from_path(path)), 'devlol antivirus'): uninstall_ransomware_without_prompt(path) return True else: return False def is_virus_by_name(path): if get_program_from_path(path) in known_viruses: print("[devlol_antivirus] - found ransomware by signature: {}".format(get_program_from_path(path))) return True return False def is_known_src(path): if not path.endswith('.py'): return False try: with open(path) as src_file: src = src_file.read().replace(" ", "") for sig in known_src_signatures: if sig in src: return True except: print('[devlol_antivirus] - error while parsing: {}'.format(path)) return False def is_virus_by_src(path): for files in os.listdir(path): file_path = path + "/" + files if is_known_src(file_path): print("[devlol_antivirus] - found ransomware by source: {}".format(path)) return True return False def is_virus(path): if get_program_from_path(path) in whitelist: return False if is_virus_by_name(path): return True if is_virus_by_src(path): return True return False def cleanup_system(): if badge.nvs_get_str('boot','splash') != 'splash': # paradoxis ransomware if dialogs.prompt_boolean('You seem to have the paradoxis malware, do you want to cleanup anyway', 'devlol antivirus'): badge.nvs_set_str('boot','splash','splash') appglue.start_ota() # there is a overwritten boot.py def full_system_check_while_boot(): print('[devlol_antivirus] - start full system check') removed_viruses = 0 for program in os.listdir('/lib'): path = '/lib/' + program if program in whitelist: # we don't want to delete ourself continue if is_virus(path): if uninstall_ransomware(path): removed_viruses += 1 if removed_viruses != 0: dialogs.notice('{} virus removed anyway'.format(removed_viruses), 'devlol antivirus') try: cleanup_system() except: print('[devlol_antivirus] - error while cleanup_system') if dialogs.prompt_boolean('It\'s recommended to reinstall all apps when a virus was found anyway', 'devlol antivirus'): appglue.start_app('update_all') return removed_viruses def full_system_check(): removed_viruses = full_system_check_while_boot() if removed_viruses == 0: dialogs.notice('no virus was found/removed anyway', 'devlol antivirus') return removed_viruses