Adware is a type of program designed to distribute advertising on mobile and computer. Mixture of the words advertising and software, the term refers to a practice that varies greatly from behavior. Some display pop-ups and notifications on the PC screen, others add suspicious browser search bars, and there are variants that hijack the browser and go to suspicious websites.
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The severity level of adware infection is varied. There are from less harmful versions of adware, which only annoy users with the constant bombardment of unwanted ads, to more aggressive versions, capable of spying on user activity on the PC or causing security holes for malware infection. Here's how to remove and protect yourself from adware to safely surf the Internet.
Hao123, which installs itself without the user's permission, a type of "annoying" adware Photo: Reproduction / TechTudo
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The most aggressive adware can hijack the computer and act without user awareness through suspicious activities such as routing Internet searches to unfamiliar search services and diverting traffic to ad sites and dubious content.
In more serious cases that are the most recurring, adware may be part of a PC hacking toolkit. Then he becomes a part in the process of device infection by spyware and other serious malware. These more complex attacks are capable of interfering with the security settings of the device and may exploit some vulnerability of the machine.
Adware, like image example, bombard screen with ads Photo: Reproduction / Helito Beggiora
There is no definite recipe for adware infection: it can be installed from malicious software, an attacker or even an accidental installation by the user himself.
In the latter case, the adware is usually linked to some free program downloaded by the person on the machine. The counterpart of free software, in general, may involve the mandatory installation of a suspicious toolbar or app that turns out to be adware as soon as it goes live.
- Infinite Popups: A classic type of adware, it floods the graphical interface with ad popups, inviting the user to click links, visit websites, and install other applications. This mechanism can also be used in other attack models.
- Espionage: More aggressive and spyware-like features, this type of adware not only propagates ads, but is also able to monitor user activity on websites to deliver more targeted advertisements.
- Interception: Adware is used in man-in-the-middle attacks to redirect Internet traffic so that the user can access unwanted, fake, and / or insecure websites.
- Safety: Dangerous Adware Edition exploits device security holes and modifies machine settings to make it difficult to remove. Also able to expose the system to other infections.
- Performance Loss: Adware runs constantly in the background of the system and, depending on your action model, it may cause speed loss and computer crashes.
Adware-infected browser becomes annoying with suspicious ads, pop-ups and pages opened from scratch Photo: Playback / Kaspersky
An important tip when installing free programs is to check if the download source is reliable. This way you can avoid an altered copy of the app that includes some adware. Keeping your operating system and antivirus up to date is also vital to protect yourself, as good security software must detect the threat before it is too late.
Another key precaution is to pay attention when reading the installation steps of the program to find out if there is any warning that an unknown and suspicious toolbar or extension will be installed in the browser. In this case, you must either install the adware if possible, or stop the process altogether.
On phones, tip trust the official store of Android and iPhone (iOS). In general, apps offered on both platforms go through a technical filter that prevents adware distribution. On mobile phones, the installation of virtual pests is usually related to the installation of apps obtained outside the official Google and Apple stores.
Only install apps accepted on Google Play Store to escape adware Photo: Thssius Veloso / TechTudo
How to remove adware from PC or cellphone?
The removal of adware depends on the type of software that infected the PC. Less aggressive versions can be easily removed with the uninstall features of the operating system. In other cases, a good antivirus will be able to solve the problem.
When it comes to much more aggressive adware, it fuses into the system to the point that corrective measures because the common user are insufficient. Then it is inevitable to resort to operating system restoration and reinstallation processes to exterminate the software.
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