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Giant health insurer struck by ransomware didn't have antivirus protection

Malwarebytes

The Philippine Health Insurance Corporation (PhilHealth), has confirmed that it was unprotected by antivirus software when it was attacked by the Medusa ransomware group in September. EDR can detect an intruder's suspicious activity in advance of them running ransomware, as well as being able to identify the ransomware itself.

Antivirus 108
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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 ” Crypt[.]guru’s

Malware 212
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Arrest, Seizures Tied to Netwalker Ransomware

Krebs on Security

and Bulgarian authorities this week seized the darkweb site used by the NetWalker ransomware cybercrime group to publish data stolen from its victims. The victim shaming site maintained by the NetWalker ransomware group, after being seized by authorities this week. ” Image: Chainalysis.

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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. One of Megatraffer’s ads on an English-language cybercrime forum. “Antivirus software trusts signed programs more.

Malware 234
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Experts link the Black Basta ransomware operation to FIN7 cybercrime gang

Security Affairs

Sentinel Labs found evidence that links the Black Basta ransomware gang to the financially motivated hacking group FIN7. Security researchers at Sentinel Labs shared details about Black Basta ‘s TTPs and assess it is highly likely the ransomware operation has ties with FIN7. ” reads the report published by the experts.

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Threat actor abuses Genshin Impact Anti-Cheat driver to disable antivirus

Security Affairs

Threat actors abused a vulnerable anti-cheat driver for the Genshin Impact video game to disable antivirus software. sys, for the Genshin Impact video game to disable antivirus software. According to Trend Micro, a cybercrime gang abused the driver to deploy ransomware. sys can be integrated into any malware.”

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Akira ransomware received $42M in ransom payments from over 250 victims

Security Affairs

Government agencies revealed that Akira ransomware has breached over 250 entities worldwide and received over $42 million in ransom payments. Like other ransomware gangs, the group has developed a Linux encryptor to target VMware ESXi servers. It was this first time that the operators adopted this tactic.