At least 45,000 Android devices infected with unremovable malware

The xHelper Trojan is a persistent Android malware that can reinstall itself even after being uninstalled. It has infected over 45,000 devices in the US, India, and Russia. The malware is installed through web redirects leading to unofficial apps, which contain code to install xHelper. It displays ads and notifications, directing users to download more apps from the Google Play Store, generating revenue for its creators. Despite attempts to remove it, including factory resets, xHelper can quickly reinfect devices.

What is a notable characteristic of the xHelper Trojan?

• It is harmless and does not display ads.

• It only affects devices in Europe.

• It can be easily removed by clearing cache.

• It can reinstall itself after being uninstalled.

How is the xHelper Trojan typically installed on devices?

• Through email attachments.

• Via web redirects to unofficial apps.

• By downloading music files.

• Through official app stores.

What does the xHelper Trojan do once installed?

• It disables the phone's camera.

• It deletes all user data.

• It displays pop-up ads and notification spam.

• It encrypts files for ransom.

What happens when users try to remove the xHelper Trojan by restoring factory settings?

• The device's warranty is voided.

• The Trojan can reinstall itself.

• The device becomes unusable.

• The Trojan is permanently removed.

What did some users report even after disabling app installations from unknown sources?

• Their device's performance slowed down.

• Their device was free from malware.

• Their device's battery life improved.

• Their device was reinfected with xHelper.