An advertising virus is a fairly common phenomenon on the Internet. Threats of this type can conditionally be divided into relatively safe (browser hijackers) and very dangerous (spyware, ransomware), which are capable of blocking the system of all sorts of messages that the user was viewing forbidden content, with the subsequent requirement to pay some amount to unlock. Sometimes they can intercept the user registration data of some sites or the same social networks and even steal passwords, for example, from credit cards, etc. Viruses of the PUP family apply to both of them. Therefore, as soon as the first signs of the introduction of such a virus and its effect on the system were noticed, urgent measures were needed. But not all protection tools can determine it, deactivate it or remove it from the computer.
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