Search results for antivirus

U.S. customers wake up to find Kaspersky antivirus sneakily replaced with UltraAV — switchover caught many users by surprise

By Anton Shilov published

Kaspersky antivirus abruptly uninstalls itself and installs UltraAV without asking customers.

Microsoft Defender can now detect insecure Wi-Fi hotspots and enable a VPN — you need to pay for Microsoft 365 and live in a supported region

By Christopher Harper published

Microsoft Defender gets some updates, especially to public Wi-Fi VPN functionality.

Microsoft Defender flags text file containing ‘This content is no longer available.’ as a severe threat

By Jowi Morales published

Microsoft Defender marks text files containing 'This content is no longer available.' as a Trojan horse and severe threat.

Hackers bury malware in new ZIP file attack — combining multiple ZIPs into one bypasses antivirus protections

By Jowi Morales published

Security researchers discovered that concatenated ZIP files have been used to hide malicious files in ZIP archives.

Microsoft's Smart App Control blocks malware and has 'lighter impact on your PC’s performance'

By Hassam Nasir published

Microsoft's Smart App Control complements Windows Defender, blocking malicious applications before they're even executed but might require a fresh reinstall of Windows.

Russia-based Kaspersky antivirus shuts down its US business due to sanctions — offices to close by July 20

By Jeff Butts published

Following its ban from selling products in the U.S., cybersecurity and antivirus solution provider Kaspersky Lab announced it will soon begin closing its operations there.

Defendnot tool pitched as 'an even funnier way’ to disable Windows Defender

By Mark Tyson published

Defendnot disables Windows Defender without replacing it with a genuine rival antivirus (AV) product.

U.S. bans Kaspersky and hands out sanctions to execs — 100 days until class-leading antivirus ban takes effect

By Dallin Grimm published

Antivirus company Kaspersky Labs and several subsidiaries were banned from U.S. operations on Thursday, and customers had 100 days to find an alternative. The U.S. also sanctioned 12 executives.

Bitdefender and Trend Micro security software patched after multiple critical vulnerabilities exposed

By Christopher Harper published

Bitdefender and Trend Micro security software have both patched some major security issues this week.

Multi-platform spyware provider Spytech gets hacked, revealing global scale of operations and swaths of unencrypted victim data

By Christopher Harper published

A Spytech breach disclosed to TechCrunch prompts an exposé.

Mini PC maker ships systems with factory-installed spyware — AceMagic says issue was contained to the 'first shipment'

By Zhiye Liu published

Different user reports claim that the AceMagic AD08, AD15, and S1 mini-PCs contain malware from the Bladabindi and Redline families.

Idle Windows XP and 2000 machines get infected with viruses within minutes of being exposed online — legacy OSes compromised by just connecting to the Internet

By Aaron Klotz published

A YouTuber installs a Windows XP VM without using any basic security measures to see how many viruses the OS will get. Within minutes, the OS has several viruses infecting the VM.

Phony Corsair LinkedIn Listing Contains DarkGate Malware

By Brandon Hill published

The DarkGate malware is distributed by a Vietnamese cybercriminal ring.

AI worm infects users via AI-enabled email clients — Morris II generative AI worm steals confidential data as it spreads

By Roshan Ashraf Shaikh published

Researchers successfully tested this Morris II worm and published its findings using two methods.

Russian-made Ukraine-targeting malware has infested systems worldwide, spreading via USB stick

By Roshan Shaikh published

Russian hackers made 'LitterDrifter' too simple and effective to gain intel from unintended targets

Consumer-grade spyware found running on hotel guest PCs contains serious security flaw that lets anyone see recent screenshots

By Dallin Grimm published

Shades of Microsoft's Recall, with a dash of... major security flaw

Modern day Trojan attacking an unsuspecting user

Hacker plants three strains of malware in a Steam Early Access game called Chemia — security company found crypto-jacking infostealers and a backdoor to install yet more malware in the future

By Nathaniel Mott published

Prodaft said the Steam Early Access game contains the Fickle Stealer, Vidar Stealer, and HijackLoader malware.

Malware Warning

Popular industry security tool repurposed by cybercriminals to deploy infostealer malware — Shellter developer blasts 'reckless and unprofessional' researchers for not disclosing issue for months

By Nathaniel Mott published

The developers behind a popular industry security tool say it has been repurposed by hackers, but blame a research group for not disclosing a vulnerability months earlier.

Google Surfaces Malware-Laden Fake CPU-Z Installer in Search Results

By Roshan Shaikh published

A new advertising campaign was found to be running websites with altered CPU-Z applications that contained a trojan.

Patched Microsoft Defender flaw still being used to deliver information-stealing malware to vulnerable machines

By Jeff Butts published

Despite the security vulnerability being patched in February, hackers are still finding out-of-date servers and workstations to exploit the hole and steal data.

South Korean telecom company attacks customers with malware — over 600,000 torrent users report missing files, strange folders, and disabled PCs

By Jowi Morales published

Korean telecom company KT Corporation sent malware to its subscribers who use Webhard's Grid Service peer-to-peer sharing program to hide their files and stop them from using the service.

Software dev fortifies his blog with 'zip bombs' — attacking bots meet their end with explosive data package

By Jowi Morales published

This developer sends zip bombs to pesky web crawlers that attempt to compromise his website.

The first-ever ransomware dropped 35 years ago disguised as a floppy sharing 'AIDS Information'

By Christopher Harper published

The first-ever example of ransomware dropped 35 years ago, in December 1989.

'ShrinkLocker' ransomware uses BitLocker against you — encryption-craving malware has already been used against governments

By Dallin Grimm published

The ShrinkLocker ransomware attack uses BitLocker to encrypt corporate systems and destroy all recovery methods. The new attack is more directed at destruction than extortion.

Newly discovered WinRAR exploit linked to Russian hacking group, can plant backdoor malware — zero day hack requires manual update to fix

By Kunal Khullar published

WinRAR flaw CVE-2025-8088 was serious but has been fixed in version 7.13.

WinRAR security flaw ignores Windows Mark of the Web security warnings

By Ash Hill published

WinRAR users not running the latest version are subject to a security flaw that's capable of ignoring the Windows Mark of the Web security warnings.

Microsoft's EU agreement means it will be hard to avoid CrowdStrike-like calamities in the future

By Jowi Morales published

Microsoft cannot block access to the Windows kernel because of an agreement it has with the EU.

Cybersecurity

AI malware can now evade Microsoft Defender — open-source LLM outsmarts tool around 8% of the time after three months of training

By Nathaniel Mott published

Researchers spent three months and approximately $1,500 training the open-source Qwen 2.5 LLM to bypass Microsoft Defender

Alleged 7-Zip arbitrary code execution exploit leaked to Twitter — the 7-Zip author claims this exploit not only isn't real but was generated by AI

By Christopher Harper published

An alleged 7-Zip Arbitrary Code Execution exploit gets leaked to Twitter.

WinRAR Flaw Let Hackers Run Programs When Opening RAR Files, Patch Issued

By Mark Tyson published

WinRAR has been updated to version 6.23 to fix a glaring arbitrary code execution flaw disclosed to the firm in June.