Trojan.Qhost is Malwarebytes’ generic detection name for malware that modifies the Windows system’s hosts file.
Trojan.Qhost alters the hosts file as a means to redirect the user’s Internet traffic, for example to stop him from downloading security software or installing updates.
Malwarebytes protects users from Trojan.Qhost by using real-time protection.
Malwarebytes can detect and remove Trojan.Qhost without further user interaction.
If you were using a custom hosts file before infection, you may have to recreate it or restore from your backup.
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