system scan Archives

Tech Optimizer

March 16, 2026

What Is a Crypto Miner Virus?

A crypto miner virus, or cryptojacking malware, secretly uses a device’s CPU or GPU to mine cryptocurrency for an attacker, leading to increased electricity costs and potential hardware damage for the victim. It typically infects devices through phishing emails, pirated software, compromised websites, and malicious browser extensions. Monero is the preferred cryptocurrency for mining due to its efficiency on standard CPUs and privacy features. Signs of infection include overheating, high CPU usage, and increased electricity bills. Detection involves monitoring system performance and running antivirus scans. Prevention includes using antivirus software, keeping systems updated, and avoiding pirated software. Notable incidents include attacks on a European water utility and the Los Angeles Times website.

Tech Optimizer

March 12, 2026

Score! One of our favorite antivirus apps is up to 58% off right now

Norton is currently offering a 58% discount on its Norton 360 Deluxe plan, which covers up to five devices for a reduced price of .99 per year. The plan includes features such as file backup, a rescue disk for system restoration, and scam protection. Norton 360 Deluxe provides various types of scans, including a quick antivirus scan, a full system scan, and a deep scan. Its ransomware protection feature backs up crucial files, including those in UEFI. The promotional pricing is limited-time, encouraging prompt action for those interested in enhancing their digital security.

Tech Optimizer

February 25, 2026

Effective ways to prevent the download of malicious code

Malware is malicious software designed to disrupt normal system operations, often infiltrating devices through activities like web browsing or opening documents. In 2023, SonicWall Capture Labs reported over 6 billion malware attacks, an 11% increase from the previous year. Common types of malware include viruses, worms, Trojans, spyware, adware, ransomware, fileless malware, and bots. Malware spreads through email attachments, phishing links, compromised websites, fake apps, and removable media. Its effects can include performance issues, data theft, and financial damage. Signs of malware presence include sluggish performance, unexpected crashes, and unauthorized changes. Recommended actions if malware is suspected include disconnecting the device, running a malware scan, and changing passwords. Preventative measures include using security software, practicing safe browsing, keeping software updated, and building security awareness.

Tech Optimizer

February 19, 2026

How to Install McAfee Antivirus on Windows 11 or 10

Installing third-party antivirus software like McAfee on Windows 11 can be challenging due to the built-in Windows Security, which can complicate the installation process. Users may face issues such as silent failures from conflicting software, permission problems on restricted machines, or restrictions due to S Mode on new laptops. Windows 11 includes Windows Security, which is effective for malware protection, but McAfee may be necessary for compliance, additional features, or centralized protection for multiple devices. McAfee supports Windows 11 Home, Pro, and Education editions but not Enterprise. The minimum hardware requirements include a processor of 1 GHz or faster, at least 2 GB of RAM (4 GB recommended), 1.3 GB of free disk space, an internet connection for download and updates, and a display resolution of at least 1024×768. McAfee requires a persistent internet connection for activation and updates. Before installing McAfee, users should check if their device is in S Mode, as McAfee cannot be installed in this mode. They must remove any existing antivirus software completely, as leftover files can interfere with the installation. Users should also ensure that Windows 11 is up to date and verify that there is enough disk space available. To download McAfee, users should go directly to the McAfee trial page to avoid scams. After downloading, they need to run the installer and restart their computer after installation. Users should then activate McAfee, run a manual update, and conduct a full system scan. Common installation problems include freezes during download, errors due to S Mode, and issues with Windows Security not recognizing McAfee as the active antivirus. Users can verify that McAfee is functioning correctly by checking the system tray icon, Windows Security settings, and the McAfee dashboard. To uninstall McAfee, users should go to Settings > Apps > Installed Apps, select McAfee, and follow the prompts to remove it. After uninstallation, Windows Security will reactivate automatically. McAfee offers several plans for Windows users, including Basic, Essential, Premium, and Advanced, each with different features and device limits. The Basic plan is suitable for single-device users without additional needs, while families may benefit from the Essential or Premium plans.

Tech Optimizer

December 7, 2025

How to find and remove viruses on your Windows PC – 12 free methods that I can attest to

Modern antivirus solutions have reduced PC infections, but risks persist as cybercriminals develop stealthy methods to infiltrate systems. Signs of infection include unfamiliar programs, missing files, slow performance, and disabled security settings. If infection is suspected, disconnect from the internet, boot into Safe Mode, and run a full system scan with Windows Security or Microsoft Defender. To enhance cybersecurity post-infection, users should clear temporary files, reset browser settings, uninstall suspicious applications, scan external drives, keep Windows updated, use strong passwords, and verify sources before engaging with links or attachments. Tools like VirusTotal can help scan files from unverified sources. If performance issues continue, a complete reinstallation of Windows 11 may be necessary, ensuring essential files are backed up first.

Tech Optimizer

November 13, 2025

12 ways to find viruses on your PC for free (and how to remove them)

In cybersecurity, modern viruses operate subtly, making them hard to detect while stealing data. Signs of infection include unfamiliar programs, missing files, erratic browser behavior, frequent error messages, and disabled security settings. If infected, disconnect from the internet, boot into Safe Mode, and run a full scan with Windows Security or trusted antivirus software. To protect your PC, delete temporary files, reset browser settings, uninstall suspicious apps, scan external drives, install updates, change passwords, and avoid suspicious links. For suspicious files, use VirusTotal to check for malware. If problems persist, a complete reinstallation of Windows 11 may be necessary after backing up important files.

Tech Optimizer

October 10, 2025

How a single MacBook compromise spread across a user’s Apple devices

Macs are known for their reliability and security but are not immune to malware, which is becoming more sophisticated. A user named Jeffrey in Phoenix reported performance issues with his MacBook, which was used without an Apple ID due to company policy. The malware eventually affected his personal devices, prompting him to seek assistance from Apple. Signs of potential infection include sluggish performance, frequent app crashes, unusual activity in Activity Monitor, redirected web traffic, and altered security settings. macOS includes built-in protections like Gatekeeper, XProtect, System Integrity Protection, and Sandboxing, but these are not foolproof. If a Mac is suspected to be infected, users should disconnect from the internet, back up important files, boot into Safe Mode, run a trusted malware removal tool, check login items and Activity Monitor, consider a clean reinstall of macOS, secure other devices, reset passwords, and seek professional help if needed. To prevent infections, users should install strong antivirus software, consider personal data removal services, use a password manager, enable two-factor authentication, keep macOS and apps updated, review login items and background processes, and use identity theft protection services.

Tech Optimizer

September 29, 2025

Best cyber security deal: Mashable readers get 65% off the Fortect Ultimate security suite

The Fortect Ultimate suite is currently available at a discounted price of .95, down from the original price of .94, reflecting a 65% reduction. This suite protects up to five devices and includes features such as antivirus software, a cross-platform VPN, a driver updater, full PC optimization, and 24/7 customer support. Key features of the antivirus include real-time threat protection, comprehensive malware protection, and compatibility with Windows, Mac, and mobile devices. The VPN offers enhanced online security and access to over 2,400 servers worldwide. The driver updater provides automatic scans and one-click updates for drivers, while the optimizer includes advanced repair technology and disk cleanup. Each subscription comes with a complimentary system scan and a 60-day money-back guarantee.

Tech Optimizer

September 1, 2025

Fortect Antivirus Review 2025: Expert Insights into Protection, Features, and Pricing

Fortect is a German company specializing in antivirus and security software, focusing on transparency, trust, and user empowerment. Its installation process is straightforward, leading to a comprehensive system scan that identifies various issues. The software features a modern, user-friendly interface with a navy blue color scheme, allowing users to monitor malware protection and access modules for performance, security, privacy, and VPN. The Security section includes quick or custom scans, real-time protection, and targeted scanning options. The Antivirus module provides real-time protection against malware using cloud-based technology, with capabilities to repair system instability and create restore points. Fortect has a macOS version and mobile apps for Android and iOS that offer network scanning and data breach alerts, but higher-tier plans are required for multi-device access. It has received the VB100 certification with a 99.19% success rate in malware detection and minimal false positives. Additional features include a Performance Scan and Driver Updater, though its offerings are limited compared to competitors like Norton 360 and Sophos Home Premium. Support options are less robust, with response times of up to 48 hours for web inquiries. Fortect lacks independent testing from reputable organizations, raising concerns about reliability compared to established products.

AppWizard

July 9, 2025

Dangerous Android malware targets US banking apps – 50,000 people already affected, make sure you’re not next

A PDF reader app for Android, 'Document Viewer – File Reader', has been found to contain a banking trojan called Anatsa, introduced through a patch six weeks after its release. The app, published by 'Hybrid Cars Simulator, Drift & Racing', has over 50,000 downloads and specifically targets North American banking applications. Security researchers have noted a history of similar threats, with previous trojanized apps having significant download numbers. The Anatsa trojan scans for North American banking apps and overlays a deceptive interface to steal user credentials. Google has removed the app from the Play Store and advises users to uninstall it, conduct a system scan, and reset banking credentials. Google Play Protect provides automatic protection against malicious apps.