Strange Chinese APT Interest in Buying Batches of AV Products

The Chinese military unit was recently accused of carrying out a years-long cyber espionage. The accusation from Japanese authorities was due to China's People Liberation Army buying ...

March 5, 2020 Stu Sjouwerman

Stealthy 'Netwalker' Ransomware Using Windows Explorer And 'Art of Deception' To Infect Enterprise Networks

Researchers at Quick Heal Security Labs have discovered a new strain of the “Mailto” ransomware nicknamed “Netwalker" that uses the art of deception to evade detection. The new strain ...

October 15, 2019 Stu Sjouwerman

It’s Baaaaaaaack! Emotet Trojan Rears Its Ugly Head Once Again After a 3-Month Vacation

One of the most dangerous pieces of malware to-date, this trojan-turned-botnet has come back after a brief hiatus and appears to be a part of a new spear phishing campaign targeting ...

October 11, 2019 Stu Sjouwerman

Virtual Hard Disk Images Containing Malware Are Ignored by Windows and Antivirus Engines

This disturbing find by a CERT researcher demonstrates how attackers can encode malicious files within a Virtual Hard Disk (VHD) image that acts in the same way as a ZIP archive.

August 3, 2019 Stu Sjouwerman

Why Is Windows Defender The World's No. 1 Antivirus With More Than Half A Billion EndPoints?

Having been inside the AntiVirus software industry for quite a while, and building an AV tool from the ground up, when I saw Redmond start acquiring several small AV companies in 2008 and ...

July 22, 2019 Stu Sjouwerman

Windows Defender Gets a New Name: Microsoft Defender

Bleepingcomputer reported: "Windows Defender is being rebranded to Microsoft Defender to indicate that it now part of a cross platform family of products. This includes enterprise ...

May 12, 2019 Stu Sjouwerman

[Heads-Up] If This Is True It's A Disaster. Three Major US Antivirus Companies Breached? ***UPDATED

ARSTECHNICA is getting me worried here. We were all at KB4-CON in Orlando the last few days, and during the conference word got to me that security researchers found out that high-profile ...

April 1, 2019 Stu Sjouwerman

AV-Test compares 19 Antivirus Tools: Windows Defender Reaches Maximum Detection Score

The German AV-Test lab compared 19 antivirus products, including the free Windows Defender which comes with the Win10 OS. Defender reached the max detection score, which was better than a ...

November 16, 2018 Stu Sjouwerman

Watch Out Banks: New PDF Attack Avoids Antivirus Detection

The latest attack from the Cobalt Gang targeting banking institutions used specific tactics to ensure AV doesn’t detect the malicious PDF at the heart of the attack.

September 25, 2018 Stu Sjouwerman

Adwind Trojan Uses Phishing To Circumvent Antivirus And Infect Workstations

Charlie Osborne reported at ZDNet that Adwind, a Remote Access Trojan (RAT) previously connected to attacks against industries worldwide, is back with a new toolkit designed to trick ...

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