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Chinese Antivirus Firm Was Part of APT41 ‘Supply Chain’ Attack

Krebs on Security

Justice Department this week indicted seven Chinese nationals for a decade-long hacking spree that targeted more than 100 high-tech and online gaming companies. The government alleges the men used malware-laced phishing emails and “supply chain” attacks to steal data from companies and their customers. Image: FBI.

Antivirus 359
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Calendar Meeting Links Used to Spread Mac Malware

Krebs on Security

But clicking the meeting link provided by the scammers prompts the user to run a script that quietly installs malware on macOS systems. The profile also linked to Mr. Lee’s Twitter/X account , which features the same profile image. Sure, Doug said, here’s my Calendly profile, book a time and we’ll do it then.

Malware 277
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Why Malware Crypting Services Deserve More Scrutiny

Krebs on Security

If you operate a cybercrime business that relies on disseminating malicious software, you probably also spend a good deal of time trying to disguise or “crypt” your malware so that it appears benign to antivirus and security products. This story explores the history and identity behind Cryptor[.]biz WHO RUNS CRYPTOR[.]BIZ?

Malware 227
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How to Prevent Malware: 15 Best Practices for Malware Prevention

eSecurity Planet

Malware attacks pose a significant risk to both individuals and businesses, infiltrating computer systems, compromising sensitive data and disrupting operations, leading to financial and data loss — and even extortion. Here are 15 important controls and best practices for preventing malware.

Malware 120
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Ask Fitis, the Bear: Real Crooks Sign Their Malware

Krebs on Security

This post is a deep dive on “ Megatraffer ,” a veteran Russian hacker who has practically cornered the underground market for malware focused code-signing certificates since 2015. “Antivirus software trusts signed programs more. user account — this one on Verified[.]ru account on Carder[.]su

Malware 251
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Cactus ransomware gang claims the Schneider Electric hack

Security Affairs

The ransomware identifies user accounts by viewing successful logins in Windows Event Viewer, it also uses a modified variant of the open-source PSnmap Tool. Once the malware has escalated the privileges on a machine, the threat actors use a batch script to uninstall popular antivirus solutions installed on the machine.

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Latin American Javali trojan weaponizing Avira antivirus legitimate injector to implant malware

Security Affairs

Latin American Javali trojan weaponizing Avira antivirus legitimate injector to implant malware. Latin American trojans share the same modus operandi and even modules and blocks of code observed during the analysis of several malware samples. Background of Latin American Trojans.

Antivirus 113