Antivirus Archives

Tech Optimizer

July 4, 2026

How to Use a Virus Checker on Your PC (2026)

Windows includes a built-in virus checker called Microsoft Defender Antivirus, which allows users to conduct virus scans. 1. To initiate a scan, open Windows Security, navigate to Virus & threat protection, and select Quick scan for a fast check. 2. Users can check which antivirus is active by going to Who's protecting me? in Windows Security. If a non-Microsoft antivirus is installed, Microsoft Defender will disable itself. 3. Before scanning, it's important to update the security intelligence by checking for updates in Protection updates. 4. A full scan can be executed by selecting Full scan in Scan options, while a custom scan allows users to specify a location to check. 5. For stubborn malware, Microsoft Defender Offline can be used, which requires a restart of Windows. 6. Scan results and quarantined threats can be reviewed in Protection history after any scan. 7. For additional checks, users can utilize VirusTotal for individual files or links, Microsoft Safety Scanner for a one-time scan, or the Malicious Software Removal Tool for specific malware. 8. Outdated tools like the Chrome Cleanup Tool and Norton Power Eraser should be disregarded as they are no longer effective. Users can scan individual files without scanning the entire PC, and results from the Microsoft Defender Offline scan are found in Protection history. The Microsoft Safety Scanner does not replace real-time antivirus protection, and managed devices can be scanned by IT administrators.

Tech Optimizer

July 3, 2026

Bitdefender is now offering a 1-year subscription for $20

A 1-year subscription to Bitdefender Antivirus Plus is available for .99, reduced from its regular price of .99. The software provides real-time protection against various threats, including viruses and ransomware, and includes features like a built-in VPN with 200 MB of encrypted traffic daily, a vulnerability scanner, and anti-tracking capabilities. It is designed for easy setup and light performance impact, with automatic updates and a user-friendly dashboard. This offer is available to new and existing users in the United States and Canada.

Tech Optimizer

July 3, 2026

Best Antivirus for Windows XP: Options That Still Work

Finding a reliable antivirus solution for Windows XP is challenging due to the lack of support since 2014. Major antivirus vendors have withdrawn compatibility, leaving limited options. Panda Security continues to support Windows XP with its Panda Dome antivirus, which offers real-time protection and a cloud-based engine. Antivirus software can block known malware, flag suspicious activity, and stop recognized threats, but it cannot patch the operating system itself. Users have fewer choices for protection as new vulnerabilities emerge. Several antivirus tools compatible with Windows XP include: - Panda Dome: Actively maintained, offers real-time protection, free and paid plans available. - Avast (v18.8): Limited support, last updates in October 2024, free legacy version only. - AVG (v9): Discontinued in 2019, operates offline, free legacy version only. - ClamWin: Open-source, actively maintained, no real-time protection, free. - 360 Total Security: Active legacy version, multi-engine approach, real-time protection, free and premium options. - Malwarebytes (legacy): Only older versions support XP, best as a supplement, free legacy version. - VirIT eXplorer Lite: Actively maintained, free lite version with real-time protection. Choosing the right antivirus requires consideration of internet connectivity, hardware age, update status, and whether to use free or paid options. For most users, Panda Dome is recommended for its active support and real-time protection. To enhance security on Windows XP, users should keep machines offline when possible, use ad blockers, be cautious with emails and links, avoid fake antivirus downloads, transfer files via USB from modern computers, and keep third-party software updated.

Tech Optimizer

July 3, 2026

Hackers Use Fake VLC Executable and Malicious libvlc.dll to Deploy ValleyRAT

Cybercriminals are using a sophisticated method to bypass security measures by embedding malware within the VLC media player. This campaign exploits VLC to install ValleyRAT, a remote access trojan, through phishing emails that contain links to download a seemingly harmless file. Once the file is opened, it activates a hidden backdoor that evades detection by antivirus solutions. The malware has been active since 2023, with a significant increase in activity noted through 2025 and into 2026, particularly targeting Chinese and Japanese-speaking users. The infection process begins when a victim clicks a link in a phishing email, leading to a ZIP archive containing a disguised executable and a malicious DLL (libvlc.dll). The executable mimics a legitimate VLC file, and when executed, it loads the DLL, allowing the malware to run under the guise of VLC. The malware establishes persistence by creating a registry entry and connects to a remote server to retrieve the final payload. ValleyRAT employs evasion tactics to avoid detection, such as performing checks on system behavior and using a fileless approach to inject its payload directly into memory, avoiding storage on disk. Researchers recommend training employees to recognize suspicious filenames and deploying endpoint detection tools to identify DLL sideloading behavior. For organizations affected by this campaign, isolating compromised systems and reviewing security logs are critical initial steps. Indicators of compromise include a malicious email domain, a ZIP archive containing a fake VLC executable, and a download URL for ValleyRAT.

Tech Optimizer

July 3, 2026

Why identity theft protection now matters just as much as antivirus

Cybercrime has shifted focus from targeting individual devices to stealing credentials and personal data for identity theft. In 2024, consumer losses due to fraud reached billion, a 25% increase from the previous year, with over a million identity theft reports filed. Stolen passwords and session cookies are central to most breaches, making credential theft the primary enabler of attacks. Password reuse is a significant vulnerability, with 65% of individuals reusing passwords, leading to increased risk of account takeovers through credential stuffing. Bitdefender offers features like Scam Protection Pro, which protects against fraud across email, chat, and SMS, and identity monitoring in Ultimate Security that alerts users to data leaks in real-time. In 2025, researchers identified approximately 2 billion unique leaked credentials, emphasizing the need for identity protection alongside traditional antivirus solutions.

Tech Optimizer

July 3, 2026

Antivirus vs malware: Why antivirus alone is no longer enough

Antivirus software is still essential for cybersecurity, as it effectively detects and removes traditional malware infections. However, cybercriminals have evolved their tactics, using methods such as fake delivery notifications and phishing attacks that may not involve malicious software detectable by antivirus programs. Experts recommend a layered approach to online security, which includes keeping software updated, using strong passwords, enabling multi-factor authentication, being cautious with emails, backing up files, and using secure internet connections. A virtual private network (VPN) complements antivirus software by encrypting internet connections and providing additional security features. Relying solely on antivirus software is no longer sufficient for protecting against modern cyber threats.

Tech Optimizer

July 2, 2026

Gen Digital highlights its cybersecurity franchise as investors look to long-term growth

Gen Digital (ISIN US3687361044) is a global cybersecurity company focused on protecting consumers and small businesses through a subscription-based model. It offers a range of services, including antivirus solutions, identity protection, endpoint protection for small businesses, and centralized security software. The subscription model allows for predictable revenue through monthly or annual billing, fostering long-term customer relationships. The company employs a tiered pricing strategy to enhance customer experience and increase average revenue per user. Gen Digital's revenue is primarily recurring, which stabilizes income against fluctuations in customer acquisition costs. The software sector typically provides high gross margins, and the company can cross-sell additional security tools to existing customers. Its consumer cybersecurity suite combines antivirus, firewall, and safe-browsing protection into a single package, compatible across multiple devices. Gen Digital is publicly traded in the U.S., providing access to equity capital and allowing retail investors to participate in the consumer cybersecurity market. The company's future growth depends on customer retention, new customer acquisition, and service expansion.

Tech Optimizer

July 1, 2026

Why Antivirus Is No Longer Just About Virus Protection

Antivirus software has evolved from focusing solely on detecting and eliminating computer viruses to providing comprehensive digital security solutions. The modern threat landscape includes advanced persistent threats, ransomware, phishing schemes, fraud apps, and AI-enabled cyber threats, necessitating a broader approach to cybersecurity. Current digital security systems must detect behavioral anomalies, protect user identities, monitor network activity, identify scam links, and provide multi-layered protection across various platforms. Contemporary antivirus solutions now incorporate AI-based threat detection, cloud intelligence, web protection, email security, identity protection, and ransomware monitoring, reflecting a shift from reactive measures to proactive prevention. Users are now active holders of digital identities, and antivirus software is expected to safeguard their entire digital lives.

Tech Optimizer

June 26, 2026

Bitdefender vs Norton vs McAfee 2026: 2 Win Gold, 1 Bronze

In 2026, Bitdefender, Norton 360, and McAfee each achieved a perfect score of 18 out of 18 in AV-TEST’s April evaluation. Bitdefender excels in protection technology and has the lightest footprint among paid tiers. Norton 360 offers an unlimited VPN, substantial cloud backup, and LifeLock identity theft protection, achieving the best real-world protection score in 2025. McAfee is strong in identity protection and unlimited-device pricing but falls short in core malware engine performance. Bitdefender is noted for its advanced threat detection and has a low entry price of .99 for its Antivirus Plus. Norton 360 includes an unlimited VPN and up to 250 GB cloud backup, while McAfee+ Ultimate provides identity theft coverage and three-bureau credit monitoring. All three products received perfect scores in AV-TEST’s April evaluation, but independent lab results from AV-Comparatives showed Norton and Bitdefender as Top-Rated Products, while McAfee did not achieve this status. The specifications comparison reveals that Bitdefender supports up to 25 devices, Norton 360 offers unlimited devices, and McAfee also supports unlimited devices. Bitdefender employs Advanced Threat Defense, Norton uses SONAR and Intrusion Prevention, and McAfee utilizes Real Protect. Norton and McAfee received AV-Comparatives Performance awards in 2025 for their light system impact, while Bitdefender did not receive such recognition. Pricing strategies include significant renewal increases after steep first-year discounts. Customer support varies, with Norton and McAfee providing extensive 24/7 support, while Bitdefender offers limited phone support. The ownership structures differ, with Norton under Gen Digital, McAfee as a private entity, and Bitdefender remaining independent. Real-world scenarios suggest Bitdefender is best for single users, Norton 360 or McAfee+ for families, McAfee+ Ultimate or Norton for identity theft concerns, and Norton 360 for privacy-focused users.

Tech Optimizer

June 25, 2026

Are Antivirus Subscriptions Essential Protection Or Clever Marketing?

Many individuals question the value of their antivirus subscriptions, especially as free protection options have improved and the features of paid services may not be necessary for everyone. Modern antivirus solutions now include features like VPNs, password managers, parental controls, identity theft protection, and dark web monitoring, which may go unused by some users. Those with modern devices may already have built-in security measures, such as Microsoft Defender for Windows users and similar protections for Mac users, making paid subscriptions potentially unnecessary for those practicing safe online behaviors. Paid antivirus may be worthwhile for individuals managing multiple devices or users, or if the bundled features are more economical than purchasing them separately. Auto-renewal can lead to unexpected charges and upselling tactics, emphasizing the importance of reviewing subscriptions regularly. Ultimately, the decision to pay for antivirus depends on individual circumstances and comfort with technology. Disabling auto-renewal is recommended to allow for annual evaluations of needs and competitive offers.