This Week in Security News

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. Below you’ll find a quick recap of topics followed by links to news articles and/or our blog posts providing additional insight. Be sure to check back...

Romanian Police Arrest 5 People for Spreading CTB Locker and Cerber Ransomware

Romanian police have arrested five individuals suspected of infecting tens of thousands of computers across Europe and the United States in recent years by spreading two infamous ransomware families—Cerber and CTB Locker. Under Operation Bakovia—a major global police operation conducted by Europo...

McAfee Labs Advanced Threat Research Aids Arrest of Suspected Cybercrime Gang Linked to Top Malware CTB Locker

ARCHIVED STORY McAfee Labs Advanced Threat Research Aids Arrest of Suspected Cybercrime Gang Linked to Top Malware CTB Locker By Trellix · December 20, 2017 In our recent research, we interviewed the actors behind ransomware campaigns. One of the interesting findings was cybercriminals seemed to...

McAfee Labs Advanced Threat Research Aids Arrest of Suspected Cybercrime Gang Linked to Top Malware CTB Locker

ARCHIVED STORY McAfee Labs Advanced Threat Research Aids Arrest of Suspected Cybercrime Gang Linked to Top Malware CTB Locker By Trellix · December 20, 2017 In our recent research, we interviewed the actors behind ransomware campaigns. One of the interesting findings was cybercriminals seemed to...

Multiple PHP Webservers Ransomware Upload

A file upload vulnerability exists in various PHP webservers. Successful exploitation of this vulnerability could allow a remote attacker to execute PHP Ransomware code on the compromised server. This method is often used by ransomware such as EV, Lalabitch, JapanLocker, CTB-Locker and others...

Researchers Break MarsJoke Ransomware Encryption

Victims infected with the MarsJoke ransomware can decrypt their files after researchers last week cracked the encryption in the CTB-Locker lookalike. A trio of researchers from Kaspersky Lab’s Anti-Ransom Team–Anton Ivanov, Orkhan Mamedov, and Fedor Sinitsyn–described Monday how errors in the...

CTB-Locker Ransomware Spreading Rapidly, Infects Thousands of Web Servers

Ransomware has steadily evolved over the past decade, moving from isolated attacks on individual computers to wider campaigns that disrupt entire services. Families such as Cryptowall and Locky showed how quickly file-encrypting malware could spread across Windows systems. Researchers are now...

CTB-Locker/Critroni Finds New Legs Targeting Websites

After months of relative dormancy, ransomware CTB-Locker or Critroni is back and this time finding new life targeting websites. Researchers are calling this variant “CTB-Locker for Websites” because it targets websites, encrypts their content, and demands a 0.4 bitcoin $425 ransom for access to t...

Windows 10 Upgrade Spam Carries CTB-Locker Ransomware

In the week since a free upgrade to Windows 10 was made available, users have learned a of about a host of built-in privacy and security issues, the most troubling being a native feature called Wi-Fi Sense that grants access to your Wi-Fi network to contacts stored in a host of online services. N...

New Spam Campaign Pushing CTB-Locker Ransomware

A new run of spam messages this week has been spotted dropping CTB-Locker ransomware. CTB-Locker, also known as Critroni, is a fairly new piece of crypto ransomware that encrypts hard drives and demands a ransom paid in Bitcoin to the attackers in exchange for the decryption key. Two days ago,...

New Wave of CTB-Locker/Critroni Ransomware Hitting Victims

There is a new wave of attacks delivering the CTB-Locker or Critroni crypto ransomware, arriving through spam messages with a variety of lures in several different countries. CTB-Locker is one of the newer variants in the crypto ransomware family, a kind of malware that encrypts victims’ hard...

Critroni Crypto Ransomware Seen Using Tor for Command and Control

There’s a new kid on the crypto ransomware block, known as Critroni, that’s been sold in underground forums for the last month or so and is now being dropped by the Angler exploit kit. The ransomware includes a number of unusual features and researchers say it’s the first crypto ransomware seen...