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Top Security News

Cybercriminals Are Still Taking Advantage of COVID-19 with Increased Attacks Microsoft unveiled its Asia Pacific findings from its latest Security Endpoint Threat Report for 2019, which shared that cybercriminals are making 60,000 COVID-19 themed phishing attempts daily....
Cybercriminals Sticking to Coronavirus and Financial Themes for Phishing Scams Summer is at its peak, and the online scammers are still doing whatever they can to take advantage of the uncertainty caused by the pandemic. Cyber-attacks are targeting businesses and consumers in...
Agencies Warn of Imminent Ransomware Cybercrime Threat to US Healthcare Sector Several agencies came out with a joint advisory on October 28 with stern warnings to the healthcare sector related to cybercrime. The advisory concerns an "imminent and increased cybercrime threat...

Top Articles

WebDiscover Browser

WebDiscover Browser screenshot

WebDiscover Browser is an adware threat developed by a Canada-based company named WebDiscover Media. Once installed on a PC, the app makes a series of unwanted changes to all browsers installed on the computer, leading to a deteriorating online surfing experience. WebDiscover replaces the default home pages and search engines of affected Internet browsers with its own WebDiscover Homepage and WebDiscover Search, respectively. Furthermore, the app modifies the “new tab” settings so that the corrupted browsers launch the program's own search portal page when the user opens a new tab. Chrome users may not even recognize WebDiscover as an unwanted program and think they are using the regular...

Posted on July 3, 2015 in Browser Hijackers

How to Fix Mac Error Code 43 When Copying Files

How to Fix Mac Error Code 43 When Copying Files screenshot

Getting an OS system error message while working on a project can be quite an unpleasant surprise. Whether relating to MS Windows, or Mac OS, such a bug is always bound to disrupt your normal computer work. While some errors tend to be system-specific, others can affect both Windows and Mac-based systems, albeit designating totally different problems. The so-called Code 43 error message, for example, is primarily associated with device driver problems in Windows PCs, on the one hand, and file transfer issues on Mac machines, on the other. If you are using Windows and looking for a way to fix this specific error, click here for a guide with possible solutions. If you are a Mac user,...

Posted on January 30, 2019 in Computer Security


Newsbreak.com screenshot

At first glance, the Newsbreak.com website appears to be a useful tool that would provide its visitors with the latest news. However, this is one of the countless bogus websites online that do not provide any content of value, and instead, seek to benefit from their visitors using various shady tricks. Spams Users with a Constant Flow of Advertisements Upon visiting the Newsbreak.com page, users will be asked to permit the site to display Web browser notifications. Keeping in mind that this fake page poses as a legitimate news website, many users may be tricked to allow browser notifications thinking that they will be alerted for the latest breaking news. However, this is not the case,...

Posted on February 3, 2020 in Browser Hijackers


SkilledObject is an adware that delivers advertisements through Web browsers automatically, along with also hijacking Web searches. The program may install itself through fake media player updates for Flash and include symptoms such as connection problems and computer damage warnings. All macOS users should consider removing SkilledObject with a preferable anti-adware or cyber-security application as soon as convenient for their Web-browsing safety. Software Skilled at Doing Exactly the Wrong Things Often the point of boasts for its curated and theoretically more secure environment, Apple's operating systems aren't flawless to the common adware that likewise infests their bigger brother of Windows. Showing just how much one little advertising attempt can go wrong, SkilledObject is part of a rush of new additions to the macOS software...

Posted on January 26, 2021 in Mac Malware


DominantPartition is adware for macOS that delivers unwanted advertisements. It also may redirect the user's browser, especially their Web searches, or provoke computer damage-themed alerts. Users should avoid unofficial software updates and disreputable downloads that could install this program and remove DominantPartition with an appropriate anti-adware application for their safety. Equally Domineering over Mac Browsers and Their Users Adware, or advertising software, remains a significant proportion of questionably-consensual installations, whether it's on Windows, Linux, or the macOS. For the latter, DominantPartition represents a surge in adware that comes with added problems that no user would want. Besides advertisements, DominantPartition offers inconveniences that range from hijacking browsers to disrupting Internet...

Posted on January 27, 2021 in Mac Malware, Potentially Unwanted Programs


TrustedAnalog is an adware that displays pop-ups and may hijack the user's browser for showing affiliated search results. Besides pop-ups and other advertising-based symptoms, TrustedAnalog also may cause connectivity issues or alerts about damaging the computer. Most anti-adware tools for macOS should delete TrustedAnalog, although users also should scan for related threats. Pop-Up Problems in More than Just One Flavor For Mac users, assuming that they're all but invulnerable to adware and other nuisances is an all-too-easy mistake to make, given the platform's reputation for security. Statistics from the cyber-security industry also suggest that advertising software, while problematic, makes up just one-fifth of all detection results for macOS systems. TrustedAnalog, like many similar adware programs, shows that being a minority...

Posted on February 23, 2021 in Mac Malware


StandardBoost is adware and a browser hijacker that redirects Web searches and displays advertisements in the user's browsers. It's specific to macOS systems and may instigate computer damage-related alerts while present. Users should apply safe browsing habits for avoiding unwanted installations and let a trusted anti-adware service delete StandardBoost for improving overall performance and security. A Standard No Browser Should Live By Not as numerous as overall Potentially Unwanted Programs (PUPs), but far more so than threats like Trojans, adware on the macOS is a tough knot to unravel. While their features rarely go to the point of attacking or harming users, they often use prestige-style tricks for optimizing their Web traffic, whether or not their user base approves. Another push in this direction is StandardBoost, a macOS piece...

Posted on February 24, 2021 in Mac Malware

Top 5 Popular Cybercrimes: How You Can Easily Prevent Them

Over the course of the past few years, hackers and cybercrooks armed with sophisticated malware have stolen literally hundreds of millions of dollars from online banking accounts and individuals all over the world. We have said it many times before in recent articles, the days of robbing banks in person are gone and now it all takes place behind a screen of a computer connected to the Internet. The Internet can be the most useful tool in business, school or every-day life. At the same time, the Internet can make someone's life a living hell in the event that one becomes the next victim of a cybercrime. A large percentage of the world's population that uses computers over the Internet are aware of cybercrime and the consequences that they may face if they succumb to a cybercriminals' trap. Others who have no clue as to the dangers they...

Posted on October 12, 2010 in Computer Security

Search Marquis

Search Marquis screenshot

Search Marquis is a browser component that may disguise itself as a helpful tool that will enhance the browsing quality of popular browsers like Chrome and Safari. In fact, it is a shady browser extension that aims to alter the browser's setting without the user’s knowledge and consent. The main purpose of this Potentially Unwanted Program (PUP) is to sneak stealthily into Mac computers and generate revenue for its operators. This happens through a number of intermediate redirects through various dubious domains before displaying Bing.com results. This Week In Malware Episode 36 Part 2: Why Your Web Browser is Redirecting to Search Marquis & and How to Stop It! Once installed on a Mac...

Posted on June 9, 2020 in Browser Hijackers, Mac Malware

Silver Sparrow Malware

Silver Sparrow Malware screenshot

The Silver Sparrow Malware is a Trojan downloader that downloads and installs additional threats without the user's consent. It's compatible with macOS systems, including both M1 processor-based hardware and older Intel x86 ones. Users should respond to infections by disabling their Internet connections and removing the Silver Sparrow Malware as soon as possible with any appropriate anti-malware solution. How Fast Hardware Updates Fall to Hackers After the recent campaign of the Pirrit adware variant, GoSearch22, customers upgrading their Mac hardware are encountering security troubles coming out of the gate. The supposed security benefits of M1 processors, while an apparent improvement...

Posted on February 19, 2021 in Computer Security

More Articles

How to Uninstall Tuxera

The Microsoft NTFS for Mac developed and released by Tuxera is designed to provide the necessary drivers to support NTFS-formatted USB drives. Several alternatives provide similar functionality so users may no longer wish to have Tuxera installed on their systems. If this is the case, the first step of the removal process is to quit the application altogether.  Next, open Finder and go to your Applications folder. Locate the Tuxera Disk Manager.application file and drag them to the Trash. Empty the Trash to complete the uninstallation. For most users, this should be enough but those that want to remove all traces of Tuxera from their Mac system may have to delete the application's service or support files manually.  Go back to Finder. In the left pane of the window, select 'Macintosh HD' followed by choosing Library in the right-side...

Posted on March 5, 2021 in Issue


SubVideo Tube is an untrustworthy application that employs deceptive marketing techniques to distribute itself without attracting the attention of the user. Methods such as bundling or pretending to be an updater for a popular software product are among the most widely used by these applications. Cybersecurity researchers designated all applications that rely on such deceptive tactics as PUPs (Potentially Unwanted Programs). Generally, PUPs are not capable of harming the infected computer or device directly. They, however, will attempt to monetize their presence by running intrusive advertising campaigns or taking control over the user's browser and forcing it to open a promoted address, most likely that of a fake search engine. The generated advertisements and the forced redirects could act as a gateway for additional PUPs or take the...

Posted on March 5, 2021 in Mac Malware, Potentially Unwanted Programs


DefaultExplorer is a browser hijacker application that targets users in the Apple ecosystem. It is designed to take over their default web browser and then run an intrusive advertising campaign. In most cases, browser hijackers establish control over the homepage, new page tab, and the default search engine. The affected settings will be modified to open a promoted address, most likely a fake search engine. Having a browser hijacker such as DefaultExplorer present on your computer will lead to a severely diminished browsing experience caused by the multitude of unwanted advertisements and forced redirects caused by it. Furthermore, while DefaultExplorer can not cause any damage by itself, the advertisements and redirects it generates could be considered as security risks. They make take the user to untrustworthy websites that run...

Posted on March 5, 2021 in Mac Malware, Potentially Unwanted Programs

AdStealer Trojan

The AdStealer Trojan is a threatening application that is designed to attack Mac users. It employs various deceptive techniques that allow it to enter the user's computer without being detected. These can involve the threat being injected into fake software installers for popular applications such as Adobe Flash Player. Alternatively, it could be delivered through a spam email campaign that distributes corrupted emails. As a result, the threat could remain undetected on the compromised system for a prolonged time. While the AdStealer Trojan is present, it could perform a wide range of threatening activities that could impact the infected system severely. It could establish a connection with the Command-and-Control (C2, C&C) infrastructure of the attackers and then execute arbitrary commands. It can be told to collect user data such...

Posted on March 5, 2021 in Mac Malware, Trojans


The new built-in anti-malware features deployed in the latest Mac updates have begun to flag certain driver certificates as outdated. As a result, many users who have an HP printer or scanner encountered an alarming prompt that displays a version of the following message suddenly - '[application nam] will damage your computer. You should move it to the Trash.' ScanEventHandler is associated with this behavior. While the warning prompt has noble intentions in cracking down on the proliferation of adware, browser hijackers, and other PUPs (Potentially Unwanted Programs), it also can be a source of significant frustration. The prompt could prevent users from opening new tabs in their browser or, as in this case, interfere with the printing of documents or images. For some workaround fixes, users encountering this issue could try the...

Posted on March 5, 2021 in Mac Malware, Potentially Unwanted Programs

GoldFinder Malware

GoldFinder is a new malware strain that was discovered by the cybersecurity researchers at Microfost. It's a highly-specialized custom-build tool that was observed as part of the activities of the Nobelium (UNC2542) ATP group. The main task of GoldFinder is to snoop inside the network of the compromised organization and then inform the hackers of any weak points in their setup or if their actions are being logged.  GoldFinder is written in Golang and can be described as an HTTP tracer tool. Upon its execution on the compromised system, the malware threat will log the entire route and every hop that a packet takes on its way to the hardcoded address of the Command-and-Control (C2, C&C) server. In practice, this means that the malware will map out all HTTP proxy servers or any other redirections that could potentially represent...

Posted on March 5, 2021 in Malware

Sibot Malware

Sibot is a malware loader that is used in the middle-stages of the attack chain. It represents one of the threatening tools that have been observed to be used by the Nobelium (UNC2542) APT. This new malware strain was discovered by Microsoft who are continuing the monitor the activities of the hacker group ever since the massive supply-chain attack against SolarWinds that was carried out last year. As a result of the attack operation, 18,000 SolarWinds customers were impacted. At that time the previously unknown hacker collective was assigned the name Solarigate.  According to the findings disclosed by Microsoft, Sibot Malware is a custom-built malware strain. It is implemented in VBScript, the Active Scripting language that Microsoft developed by using Visual Basic as a guideline. Sibot is designed to leave a low footprint on the...

Posted on March 5, 2021 in Malware

GoldMax Malware

Infosec researchers from Microsoft and the cybersecurity company FireEye are continuing to monitor the activities of the hacker collective that was responsible for the massive supply-chain attack against SolarWinds that took place last year. The continued efforts have allowed the two companies to discover several newly deployed threatening tools by the group. One of the is GoldMax (Sunshuttle) - a second stage backdoor threat. Microsoft initially gave the threat actor the name Solarigate but has since changed it to Nobelium. FireEye designated the hacker group with UNC2542. The ATP (Advanced Persistence Threat) group had managed to affect 18,000 SolarWinds customers through the threatening campaign. The cybercriminals are not slowing down and have revealed a slew of custom-built malware additions to their arsenal. So far, the initial...

Posted on March 5, 2021 in Malware

Nobelium APT

The Nobelium APT became a major player on the cyber-espionage landscape last year when the previously unknown hacker group carried out a massive supply-chain attack against the software developer SolarWinds. At the time, Microsoft assigned the name Solarigate to the hacker collective but later changed it to Nobelium. The cybersecurity company FireEye tracks the activity of the group under the UNC2542 designation.   The SolarWinds Attack  The hack against SolarWinds, saw Nobelium deploy four different malware strains that helped them orchestrate the supply-chain attack. First, the hackers dropped the Sunspot malware on a build server immediately after the breach of SolarWinds' network occurred. The malware strain was designed with a singular purpose - to lay in wait on the build server until it detects a build command that assembled one...

Posted on March 5, 2021 in Advanced Persistent Threat (APT)

Silver Sparrow Virus Takes 30,000 MacOS Devices by Storm

Silver Sparrow Virus Takes 30,000 MacOS Devices by Storm screenshot

When malware actors plant a virus onto targeted machines, they usually do it retrieve sensitive data, extort money, execute arbitrary code, and so on. To do that, they deploy all sorts of malicious apps. Recent findings in the field of cyber security, however, may have come across a malware strain that behaves as an exception to the rule. Dubbed Silver Sparrow, the malware in question got a grip of close to thirty thousand Mac-based configurations in no time, yet it doesn’t seem to have the slightest intention of doing any damage whatsoever for the time being. The Scope is Too Big to Ignore Although researchers have yet to find any intrusive features in Silver Sparrow, they’ll be keeping...

Posted on March 5, 2021 in Computer Security

How to Fix 'Windows Requires a Digitally Signed Driver'

Windows users could encounter the 'Windows requires a digitally signed driver' after a major update of the OS that has imposed requirements for specific drivers to be digitally signed. The goal of this feature is to help users avoid any suspicious packages that claim to be drivers but also are packed with other intrusive functionalities. In many cases, however, legitimate drivers that have been installed by the users could trigger this issue due to the requirements. One method that will fix the problem is to disable the digital signing requirement altogether. Be warned, though, that may increase the security risks for your system. The first step is to open the Run box by pressing the Windows + R keys on your keyboard simultaneously. In the window that appears, type in gpedit.msc and press Enter. Now, click on 'User Configuration' and...

Posted on March 4, 2021 in Issue

How to Uninstall WinZip

WinZip is the first archiver program that came with a visual interface. Although it gained popularity on systems running Windows OS, the WinZip client for Mac has been optimized for that system and offers multiple additional features to its users. Nowadays, however, there is no shortage of programs that offer much of the same functionality such as WinRar or the archiving utility tools built into the OS itself. Users who wish to remove WinZip from their computers completely can follow the steps below.  Mac users should first close the WinZip application by right-clicking it on the Dock and choosing 'Quit.' Then open Finder and go to your Applications folder. Locate WinZip's file and drag it to the Trash. Emptying the Trash will uninstall the program but that doesn't necessarily mean that all traces of WinZip will be gone. Users may have...

Posted on March 4, 2021 in Issue


Mybuzz.fun is a dubious website that has been observed to cause unwanted redirects and trying to lure users into subscribing to its push notification services. It relies on manipulative social-engineering tactics to bait its visitors into clicking the 'Allow' button. If successful, Mybuzz.fun will receive extensive browser permissions that will allow it to generate intrusive advertisements on the affected device. If clicked, the advertising materials could expose the users to various security risks - tech support tactics, phishing pages, offers for barely-functional PUPs (Potentially Unwanted Programs) or even attempts to download serious malware threats.  It must be noted that it is extremely unlikely for anyone to land on websites such as Mybuzz.fun willingly. Instead, users are taken there either through forced redirects or as a...

Posted on March 4, 2021 in Browser Hijackers


DefaultTool is adware and a browser hijacker, which may display advertisements in different formats, track Web-browsing activity, or redirect users to other websites. Since it's a probable source of security issues, most users should remove it on sight. Any macOS-compatible anti-adware solutions should easily remove DefaultTool installations. A Tool for Taking Mac Browsers to Undesirable Places Advertising software (AKA adware), browser hijackers (browser-redirecting and settings-changing software), and other Potentially Unwanted Programs are an unquestioned majority of security products' detected potential threats on Mac computers. As of 2021, macOS users have as much reason for worrying over unwanted advertisements and ad-promoting programs as their Windows equivalents elsewhere. DefaultTool is another manifestation of this recurring...

Posted on March 4, 2021 in Mac Malware


ModuleSearch is a Potentially Unwanted Program that may redirect your browser to unwanted websites or cause other issues, such as inserting advertisements or tracking your Web-browsing activities. It also re-launches itself regularly and may cause corresponding alerts from default macOS security features. Most users should remove NetModuleSearch through a compatible security service promptly, as part of keeping their browsers safe. The Software that will not Accept No for an Answer Since hackers and disreputable software developers are monetarily-driven, like everyone else, Windows users are at the most risk from their attention and products, ranging from Trojans to unwanted browser extensions. Minorities like Mac users also are at risk, though, as many computer owners might blithely forget. Throughout 2020 and 2021, NetModuleSearch...

Posted on March 4, 2021 in Mac Malware
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