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Scareware is malware that is designed to trick a user into paying money or installing more malware by presenting an alleged threat. The best way to combat scareware is by being cautious and by employing appropriate cybersecurity.
- What is scareware?
- Two examples of scareware
- How can you identify scareware?
- What should you do if you’ve been infected by scareware?
- Prevention against infections
- The best security for your data
- What other types of malware are there?
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What is scareware?
The term “scareware” is made up of the words “scare” and “software”. Scareware is malware that tricks the user into believing that there is an acute or imminent danger so that they take certain actions. These can be monetary payments or the installation of an actual malware program. These kinds of social engineering tactics are therefore scams that can cause great damage. This is also because scareware is often not easy to recognize as such.
Two examples of scareware
There are many different kinds of scareware. To better understand what malware looks like, we’ve put together some examples.
Scareware disguised as an antivirus program
Scareware that’s disguised as an antivirus program or system software is particularly widespread. This kind of scareware uses logos and names that look legitimate or imitate real programs. Notifications or pop-ups will suggest that the device is infected with viruses. If you click on the scareware, you’ll either be asked to pay for the removal of the invented viruses or download an actual Trojan. This can then turn into a real threat to the system.
Display of a fictitious authority
In this attack, the screen is locked by a large display. This often contains a police logo or that of another authority. Often, you’ll be told that illegal files have been found on your device and that it is therefore blocked. It’s not unusual for the allegedly found data to be illegal downloads or even child pornography. To prevent prosecution, you’ll typically be asked to pay a fee. If the alleged fine is remitted, the ad is shut down. However, legitimate authorities have nothing to do with this process.
How can you identify scareware?
The simplest and safest way to identify scareware and other malware and take the best possible action against it is to remain calm. With a little distance and a clear head, malware can in most cases be recognized at first or at least second glance. A good antivirus program doesn’t create a threatening backdrop, but instead presents solutions in a calm and serious manner. Capital letters, numerous exclamation marks, and horrific scenarios, as well as an unrealistic threat posed by several viruses at the same time, are therefore good indicators of a scamming attempt. The same applies to the second example: officialauthorities don’t communicate via pop-up messages or your desktop display – but scareware does.
However, more professionally-designer scareware may not be as easily distinguishable from a legitimate program at first glance. But even in this case, there are some clues that indicate malware. These include:
- High-frequency alerts: When an antivirus program has detected a threat, it makes itself known and then guides you through the necessary steps. Scareware, on the other hand, often follows up with several pop-ups to make the supposed threat seem even more acute.
- New windows and programs: If you already clicked on scareware, it may install programs or add new windows on its own. If your browser or desktop changes without your intervention, it could be an indication that malware is already on your computer, smartphone, or tablet.
- Reduced capacity: Malware harms your device and as a result often slows it down. So, if you notice that processes suddenly take longer, the screen freezes, or programs crash for no apparent reason, this can be an indication of scareware.
- No access to certain programs: Moreover, you may not be able to access certain programs anymore. This can also indicate an attack and absolutely requires immediate countermeasures.
What should you do if you’ve been infected by scareware?
In case of a scareware infection, you’ll ask yourself what countermeasures are most effective. Different malware may also require different approaches, but the following steps are usually promising:
- First, remove the downloaded program and all associated files. On a PC, this can be done via the Control Panel and the “Uninstall program” option. Find the malware in the list and delete it completely. On a Mac, select “Programs” in the Finder and find the scareware. Then, drag it to the Bin and empty it. While this step is important and correct, scareware often infects other areas as well, so a simple deletion process unfortunately doesn’t always remove all components.
- Next, try turning off your computer and restarting it in safe mode. In this mode, the computer will only access the most important programs and stop the scareware from working. In Windows, click “Restart” and hold down the Shift key at the same time. After the restart, select “Troubleshoot” and “Advanced options”. Here, you will find the item “Startup settings” and press the “F5” key. This will start up your PC in safe mode with network drivers. On Mac, also hold down the Shift key while restarting. After a short time, the login screen will appear.
- Safe mode means that your computer will only work with the most necessary programs, keeping the scareware at bay, but still allowing you to access the Internet. This means you can download, install, and run a real anti-malware program. This kind of a program will find all the components of the scareware and delete them. If you already have an anti-virus program installed, run it. It’s important that the software fits your device. For Android and iOS there is special software to deliver the best results.
Prevention against infections
Even if the measures described above are successful, they still don’t prevent your system from getting reinfected by scareware. However, there are some ways through which you can prevent similar problems from occurring again. These are the most effective ones:
- Antivirus software: Employ a legitimate antivirus program to protect your device from any kind of malware. Good software will warn you about possible threats and immediately quarantine already installed malware. At the same time, the program runs in the background and won’t restrict you.
- Ad banners: If possible, try not to click on advertising banners. If you nonetheless want to, make sure that the provider is a reputable company and verify the source.
- Notifications: Remember to never click on pop-ups or banners that suggest that your computer is infected with a virus. Even if the notification is offering an antivirus software download, it’s probably scareware. Only download programs from trustworthy sources.
- Browser: Always keep your browser updated. New versions always have the latest security features, meaning that the latest version also offers the best protection. In addition, you can use handy browser tools, such as pop-up blockers, firewalls, or URL filters.
- Pop-ups: To prevent scareware from being downloaded against your will, it’s recommended to not only close the corresponding pop-up, but the entire browser. In Windows, press the [Ctrl] + [Alt] + [Del] keys simultaneously. This way you can open the Task Manager and close all browser windows manually. On Mac, the key combination is [cmd] + [alt] + [esc].
- Sensitive data: Never pass on sensitive data such as passwords, addresses, or contact details unless you know the source of the request and have checked it carefully. This applies all the more to bank transfers. Never pay supposed fines or take out a paid subscription if you aren’t completely sure that the recipient is trustworthy.
The best security for your data
The most effective protection against any type of ransomware is offered by those solutions that don’t just cover one point, but offer comprehensive protection. This includes a first-class virus scanner that immediately reports and stops suspicious processes. The process takes place in the background and so doesn’t interfere with what you’re doing. The latest technology will also protect you against ransomware in the best possible way.
Beyond that, these programs not only focus on scareware and other threats, but also regularly create a backup of your data. So, in case of a successful attack, a problem with the hardware or even an accidentally deleted file, you will still have quick access to all your data. Even a backup of your entire system is possible. This double protection is the best option to prevent data loss or a successful attack with scareware
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What other types of malware are there?
Unfortunately, scareware isn’t the only threat. There are many different kinds of malware that are designed to steal your data or your money. These include:
- Adware: Adware spies on your user behavior to present you with suitable ads based on the collected information. This type of malware is annoying, but usually not dangerous. You can often quickly identify adware programs and simply delete them.
- Spyware: Spyware is much more dangerous. This malware collects sensitive information such as account data, passwords, or other protected data. The information obtained is then passed on or used directly for blackmail or theft.
- Ransomware: Ransomware is a type of extortion where a Trojan infects and locks parts of a hard drive. Only by paying a ransom can you regain access to your data. Ransomware is often distributed via spam emails.
- Cryptojacking: Cryptojacking is a comparatively new form of online fraud. With the help of malware, the web browser is taken over without your knowledge and cryptocurrencies are secretly mined at your expense.