Tag Archives: hackers

Potentially Unwanted Applications

PUAs include, but are not limited to, tools for system management and other tools with functions equivalent to those of PUAs. Other tools with functions comparable to those of PUAs are also examples of PUAs. When all of the program functions and advantages that are made available by the software are utilized by the user, then the value of these tools is maximized.

What are PUA’s?

PUA is an abbreviation that is used to refer to potentially unwanted applications. These programs give users access to a large range of software, all of which may be managed from a single location. In addition, the overwhelming majority of people would want to steer clear of having them.

When malicious hackers attack or enter a system, they typically use the system’s own components to give themselves access to a greater variety of capabilities that they may then exploit. In addition, attackers will occasionally utilize tools made by third parties that they have acquired from the internet rather than constructing their own tools. This is because it is easier for them to do so. After that, they will include these downloaded tools into their framework as an integrated component, which will result in an increased amount of malicious payload associated with the framework.

These issues are not difficult and may be resolved in a very short period of time. Choose App & browser control from the menu on the page where you change the security settings for Windows. Choose the appropriate protective settings based on your preferences. When you arrive to that screen, pick the option to restrict apps that might be harmful to your computer, and then make sure it’s turned on.


For help with computer-related issues, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you from our staff at the Denver Computer Repair Service. If you need computer repair in Denver, CO please call or text the local office at (720) 441-6460.

Android and Sideloading

It is well-known among hackers that they are constantly on the lookout for new methods to infect computers with harmful software and steal critical information. They have the option to sideload.

It’s possible that you’ve heard of the phrase “sideloading” if you have an Android device. With this capability, it is possible to download and install applications from a variety of different sources. Individuals seeking complete freedom may find this advantageous, while others may find it a nuisance.

You should only download information from reputable sources. Unless you take these steps, you will leave yourself open to data breaches and other security risks.


If you’re needing help with device problems, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Boulder Computer Repair Service. If you need computer repair in Boulder, CO please call or text the local office at (720) 441-6460.

Fraudulent Anti-Virus Apps Removed

Bogus Android antivirus apps that were being used to distribute malware were removed from the Play Store by Google earlier this week.

According to TechRadar, “These malicious apps were carrying Sharkbot, a malware strain that steals passwords and banking information. It shares push notifications and offers up fake login prompts, through which users share their credentials with the attackers.”

Source: Checkpoint Research

Uninstalling the apps immediately is advised for Android users who had downloaded them before they were withdrawn.


For inquiries about device vulnerabilities, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you from our staff at the Goodyear Computer Repair Service, if you need computer repair in Goodyear, Arizona please call or text the local office at (623) 295-2645.

Protect Your Data with Carbonite

Working from home has a lot of advantages. However, it is not without security threats. Cybercriminals target home networks far more than corporate networks. As a result, clicking on an unknown link at home may have unfavorable consequences.

For example, scam links are often sent by e-mail. To ensure that the sender’s email is legitimate, double-check the sender’s email address. Furthermore, customers should not click any links unless they are confident that they were sent by the company. You may also spot grammar mistakes in the text, which is a sign that it’s a phishing email.

The good news is that you can take steps to improve your cyber-defenses, such as making sure your important files and data are backed up to a secure cloud storage. We recommend Carbonite online backup solutions which will protect your data regardless of any type of attack or problem.



If you would like us to secure and and backup your computer or if you are having any problems, call us at 1-800-620-5285 or book an appointment online at www.karlstechnology.com.

Hackers in VPN’s

When it comes to security, VPN’s are of extreme importance. Virtual Private Networks, or VPN, keep data strictly secure between the internet and devices. It’s set up to lock down to keep any communication safe and protected.

However, cybercriminals are finding ways to weed their way into VPN’s to release malicious malware or viruses. They’re tricking users to install certain VPN’s with a package that allows hackers to sneak in and receive all of the information they need.

Just recently, Tech Radar shared an addressed issue from Trend Micro, stating, “the bundled application drops three components on a user’s system: the legitimate VPN installer, the malicious file (named Iscm.exe) that contains the backdoor and the application that serves as the runner of the malicious file (win.vbs).”

Backdoors are specifically designed to assist hackers to infiltrate the VPN without being noticed. This helps them take screenshots, install malicious data, and steal information.

It’s important to remember not to install any VPN’s without knowing for sure if the installer is completely legitimate. Always ask questions, when in doubt. If you don’t, it’s possible that the secured network will be compromised. This is a huge red flag for business VPN’s.

If you have any questions regarding VPN’s, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you from our staff at the Phoenix Computer Repair Service. If you need computer repair in Phoenix, AZ please call our local office at (602) 445-9862.

Amazon Emails May Contain Phishing Scam

With the holidays here and the pandemic continuing, more people are ordering gifts online. Amazon, being one of the leading online retail stores in the world, is often mimicked by hackers to steal customers’ personal information. Not only that, but they’re mimicking delivery emails, which is quite disturbing and dangerous.

According to Check Point, “they are not just trying to target consumers with fake shopping-related emails and websites.  They are also ramping up phishing and fraud attempts to take advantage of the shipping services that will deliver the goods we have purchased.”

With the spike in purchases, there has been a higher amount of phishing emails. These emails claim that errors have evolved with delivery, including a link or download button to fill out a form to resubmit information.

Do not click links

It’s important to double-check the sender’s email information to verify its legitimacy. Also, the customer should not click any links unless they know for certain if the company themselves had sent them. You may notice grammar errors in the email as well, which would indicate a phishing email.

To amend the situation, customers should contact the retailer. This will protect any and all personal information on your computer.


For help with computer issues, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Mesa Computer Repair Service, if you need computer repair in Mesa, AZ please call the local office at (480) 240-2950

The Difference Between Adware and Spyware

Throughout the world of technology, many different types of software flourish. Some are safe and secure, while others tend to cause a ruckus to your PC. No one wants that. Unfortunately, cyber hacking is very much apparent in software and has the ability to be quite secretive. Two kinds of these kinds of software are Adware and Spyware.

What is Adware?

Adware, simply put, is advertising-supported software. Malwarebytes says, “Some security professionals view it as the forerunner of the modern-day PUP (potentially unwanted program).”

It is generally a tricky method of claiming its legitimacy so you will download its content. And when you do, unwanted pop-up advertisements will occur while you’re on the internet. It’s aggravating and annoying, to say the least. However, they’re less malicious than the Spyware. Adware can exist on both PC and mobile.

What is Spyware?

Spyware is mostly described as a malicious kind of software that is intended to find personal information. And it doesn’t stop there. This also allows the hacker to track browsing and reveal any kind of login credentials. Sometimes, they’re able to review in the information and report it back to their own software, or a third-party, without the user’s knowledge or consent.

What do I do if my computer is infected?

It’s very important for your computer to have the latest update to ensure the best security and safety. The operating systems include enhanced anti-virus software, which can be ran through your Security Settings.

Windows 10, for example, involves a Virus & threat protection that automatically does a quick scan throughout the day, every day. You can also opt-in for a Full scan, a Custom scan, or a Microsoft Defender Offline scan.

Many anti-virus software options are free. Researching can help you find the best one suited for your PC.

For help updating, restoring or dealing with any Windows 10 issues, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you from our staff at the Denver Computer Repair Service. If you need computer repair in Denver, CO please call or text the local office at (720) 441-6460.

Apple iMessage Breach Last Month

Internet trolls can breach any type of system if it is not properly secured. Emails and software are just two ways they can infiltrate your pc without your awareness.

The motivations for these attacks range from stealing data to financial gain. They also crash business computers in order to shut them down. One breach, in particular, occurred last month against the software giant, Apple.

Apple’s iMessage Security Breach

Apple has put out a new security update to fix a flaw that caused a software breach for months, The Wall Street Journal (WSJ) reported Monday (Sept. 13).

NSO Group, an Israeli cybersecurity firm, has been exploiting a vulnerability to silently infect iPhones using iMessage since February, WSJ reported, citing research group Citizen Lab, which looks into cyberattacks on “journalists and dissidents.”

The intrusion was ominous to Citizen Lab because it was a “zero click” attack, referring to an attack in which the user doesn’t need to click a link or open a document to be attacked, according to the report.

John Scott-Railton, one of the Citizen Lab researchers, told WSJ that “anyone with iMessage” could be infected unknowingly. He added that the software was “rare and probably expensive,” and that it likely was developed with a substantial amount of work.

Source: Pymnts.com

What can you do?

You can take steps to improve your cyber-defenses, such as making sure your important files and data are backed up to secure cloud storage. We recommend Carbonite online backup solutions which will safeguard your data against any type of attack or dilemma.



If you are needing assistance with any malware issues, please give us a call at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities.  This blog post is brought by our staff at Arlington Computer Repair Service. If you need computer repair in Arlington, TX please call the local office at (817) 756-6008.

The Importance of Multi Factor Authentication

Last month, the RSA had their security conference, and Microsoft shared quite the alarming statistic about user accounts.

They stated that while 95% of users are protected, there’s still 5% that remains compromised. This 5% is what hackers feed upon. And while 5% of users doesn’t seem like a big number, that rounds out to be around 1.2 million logins every month.

Not only that, but Microsoft engineers said that most, if not all, of these risked accounts are not using MFA, or multi-factor authentication. This system allows a lower risk of a possible compromise to your account – which is incredibly important to any personal information you may have stored. For Office 365 users, set up a 2-step verification here.

Using multi-factor authentication is one of the easiest and most effective ways to increase the security of your organization. It’s easier than it sounds – when you log in, multi-factor authentication means you’ll type a code from your phone to get access to Microsoft 365. This can prevent hackers from taking over if they know your password. Multi-factor authentication is also called 2-step verification. Individuals can add 2-step verification to most accounts easily, for example, to their Google or Microsoft accounts.

-Microsoft Docs

For help updating, restoring, or dealing with any security issues, call us at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the League City Computer Repair Service. If you need computer repair in League City, TX please call or text the local office at(281) 860-2550.

Windows 10 Ransomware E-Mails – Do NOT Download

If you get an e-mail telling you to install Windows 10 updates, simply delete it.

Newly discovered malware is asking victims to update to the most recent version of Windows 10. ‘Install Latest Microsoft Windows Update immediately!’ or ‘Critical Microsoft Windows Update!’ appears in the subject line, and when you open it, a file extension attachment appears for you to click on.

This malicious download will infect any computer that downloads the “.jpg” file extension. TechRadar reported that the download, “encrypts all of the files on the infected user’s system and appends their filenames with its own file extension, 777. A ransom note with the filename ‘Cyborg_DECRYPT.txt’ is then left on the desktop of the compromised machine. Finally, the ransomware leaves a copy of itself called ‘bot.exe’ hidden at the root of the infected drive.”

The GitHub file name

The file is called ‘bitcoingenerator.exe’ and the GitHub account is named “misterbtc2020”. This ransomware locks your PC and your files, encrypted. For a ransom, you can receive your files as decrypted.

Make sure your antivirus is up to date on your computer to avoid any and all malicious cyber attacks. Also, remember that Windows 10 updates only push through its operating system and not through e-mails.


If you ever have an issue with any Windows 10 updates, give us a call at 1-800-620-5285.  Karls Technology is a nationwide computer service company with offices in many major cities. This blog post was brought to you by our staff at the Garland Computer Repair Service. If you need computer repair in Garland, TX please call or text the local office at (469) 299-9005.