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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. How to avoid ransomware Block common forms of entry. Detect intrusions. Test them regularly to make sure you can restore essential business functions swiftly.

Antivirus 101
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Arrest, Seizures Tied to Netwalker Ransomware

Krebs on Security

NetWalker is a ransomware-as-a-service crimeware product in which affiliates rent access to the continuously updated malware code in exchange for a percentage of any funds extorted from victims. Each build is unique, in that the malware is inside the script – it is not downloaded from the internet. Powershell build.

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Wannacry, the hybrid malware that brought the world to its knees

Security Affairs

The infection chain was divided into four stages : The malware was installed through a dropper, a program executed by opening an attachment to a deceptive e-mail, probably a fake pdf or doc file, or executed directly from the Internet, without user interaction, exploiting the exploit described in the point 4. The infection chain.

Malware 103
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What Is Babuk Ransomware? The New, Evolving Malware

SiteLock

The New, Evolving Malware. Babuk ransomware was discovered fairly recently, in early 2021, but it hasn’t taken long for this destructive new malware to gain notoriety. Despite its successes, Babuk isn’t considered a sophisticated malware. What Is Babuk Ransomware? But this doesn’t mean Babuk ransomware isn’t dangerous.

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How to Decrypt Ransomware Files – And What to Do When That Fails

eSecurity Planet

These steps are covered in more depth in How to Recover From a Ransomware Attack , so for now, we’ll simply presume the attackers and malware are under control. Ransomware decryptors can potentially load other malware, drop back doors, or add new users to systems as they process the decryption. How Does Ransomware Encryption Work?

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US CISA and FBI publish joint alert on DarkSide ransomware

Security Affairs

Early this year the group announced that it will no longer attack organizations in the healthcare industry, companies involved in the development and distribution of COVID-19 vaccines, and funeral service organizations. Set antivirus/antimalware programs to conduct regular scans of IT network assets using up-to-date signatures.

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SHARED INTEL: How ransomware evolved from consumer trickery to deep enterprise hacks

The Last Watchdog

The above-mentioned AIDS Trojan hailing from the distant pre-Internet era was the progenitor of the trend, but its real-world impact was close to zero. Local governments, small and medium-sized businesses, large international corporations, healthcare facilities, and educational institutions are the common targets.