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Home   »   Author / Jasen Sumalapao (Threat Response Engineer)

Jasen Sumalapao

Threat Response Engineer

ZCRYPT Crypto-ransomware Attacks Windows 7 and Later, Scraps Backward Compatibility
  • Posted on:May 31, 2016
  • Posted in:Malware, Ransomware
  • Posted by:
    Jasen Sumalapao (Threat Response Engineer)
0

How do you know that something has become very popular? Simple – when poorly-made knockoff versions start to hit the marketplace. Ransomware, it seems, has hit that point.

The writers behind the new ZCRYPT ransomware family have either scrapped support for Windows XP, or did a sloppy job in creating it. This new family only targets systems with newer versions of Windows, specifically Windows 7 and later. Is ZCRYPT deliberately cutting of older operating systems, or is it just poorly-written malware?

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Tags: crypto-ransomwareZCRYPT

Chinese-language Ransomware ‘SHUJIN’ Makes An Appearance
  • Posted on:May 12, 2016
  • Posted in:Deep Web, Malware, Ransomware
  • Posted by:
    Jasen Sumalapao (Threat Response Engineer)
0

Whenever a threat is “localized” to a specific region, it’s a sign that attackers believe there is money to be made. Ransomware has made millions of dollars around the world, and it looks like it’s poking its nose into a new part of the world: China. However, the initial foray into this market made several mistakes.

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Tags: bitcoinChinaransomwareSHUJINTor

New Crypto-Ransomware JIGSAW Plays Nasty Games
  • Posted on:April 19, 2016
  • Posted in:Bad Sites, Malware, Ransomware
  • Posted by:
    Jasen Sumalapao (Threat Response Engineer)
0

The evolution of crypto-ransomware in terms of behavior takes a step forward, and a creepy one at that. We have recently encountered a nasty crypto-ransomware family called JIGSAW. Reminiscent to the horror film Saw, this malware toys with users by locking and deleting their files incrementally. To an extent, it instills fear and pressures users into paying the ransom. It even comes with an image of Saw’s very own Billy the puppet, and the red digital clock to boot.

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Tags: crypto-ransomwareJIGSAWSAW

PETYA Crypto-ransomware Overwrites MBR to Lock Users Out of Their Computers
  • Posted on:March 25, 2016
  • Posted in:Bad Sites, Malware, Ransomware
  • Posted by:
    Jasen Sumalapao (Threat Response Engineer)
8

As if encrypting files and holding them hostage is not enough, cybercriminals who create and spread crypto-ransomware are now resorting to causing blue screen of death (BSOD) and putting their ransom notes at system startup—as in, even before the operating system loads. Imagine turning on your computer and instead of the usual Windows icon loading, you get a flashing red and white screen with a skull-and-crossbones instead.

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Tags: bitcoinbsodcrypto-ransomwarecybercrimepetyaransomware

Security Predictions for 2018

  • Attackers are banking on network vulnerabilities and inherent weaknesses to facilitate massive malware attacks, IoT hacks, and operational disruptions. The ever-shifting threats and increasingly expanding attack surface will challenge users and enterprises to catch up with their security.
    Read our security predictions for 2018.

Business Process Compromise

  • Attackers are starting to invest in long-term operations that target specific processes enterprises rely on. They scout for vulnerable practices, susceptible systems and operational loopholes that they can leverage or abuse. To learn more, read our Security 101: Business Process Compromise.

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