Security Affairs

JULY 29, 2021

ransomware is now able to encrypt Windows domains by using Active Directory group policies. Researchers from MalwareHunterTeam and BleepingComputer, along with the malware expert Vitali Kremez reported spotted a new version of the LockBit 2.0 ransomware that encrypts Windows domains by using Active Directory group policies.

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Encryption Ransomware Malware Hacking 145

Krebs on Security

MAY 13, 2024

This post examines the activities of Khoroshev’s many alter egos on the cybercrime forums, and tracks the career of a gifted malware author who has written and sold malicious code for the past 14 years. This user said they specialize in developing malware, creating computer worms, and crafting new ways to hijack Web browsers.

Ransomware 296

Ransomware Cybercrime Accountability Malware 296

Security Affairs

JULY 16, 2021

The Joker malware is back, experts spotted multiple malicious apps on the official Google Play store that were able to evade scanners. Since 2019 experts found many Joker apps on Google Play store, in September 2019 security experts at Google removed from the store 24 apps. ” states a post published by the experts.

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Malware Mobile Spyware Encryption 145

Schneier on Security

NOVEMBER 7, 2019

Fireeye reports on a Chinese-sponsored espionage effort to eavesdrop on text messages: FireEye Mandiant recently discovered a new malware family used by APT41 (a Chinese APT group) that is designed to monitor and save SMS traffic from specific phone numbers, IMSI numbers and keywords for subsequent theft.

Telecommunications 189

Telecommunications Encryption Malware 189

Security Affairs

JANUARY 8, 2021

Multiple threat actors have recently started using the Ezuri memory loader as a loader to executes malware directly into the victims’ memory. According to researchers from AT&T’s Alien Labs, malware authors are choosing the Ezuri memory loader for their malicious codes.

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Krebs on Security

JANUARY 28, 2020

In late December 2019, fuel and convenience store chain Wawa Inc. The fraud bazaar Joker’s Stash on Monday began selling some 30 million stolen payment card accounts that experts say have been tied back to a breach at Wawa in 2019. Pennsylvania-based Wawa says it discovered the intrusion on Dec.

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Retail Banking Malware Accountability 332

Security Affairs

MAY 25, 2020

Ransomware encrypts from virtual machines to evade antivirus. Ragnar Locker deploys Windows XP virtual machines to encrypt victim’s files, the trick allows to evaded detection from security software. Mounting all the shared drives to encrypt. Custom Ragnar Locker ransom note (Source: Sophos).

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Encryption Ransomware Energy and Utilities Advertising 135

Security Affairs

OCTOBER 20, 2021

A Cookie Theft malware was employed in phishing attacks against YouTube creators, Google’s Threat Analysis Group (TAG) warns. Financially motivated threat actors are using Cookie Theft malware in phishing attacks against YouTube creators since late 2019. ” reads the analysis published by Google TAG.

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Accountability Malware Phishing Social Engineering 144

SecureWorld News

FEBRUARY 20, 2025

Ghost ransomware actors, identified as operating from China, have been targeting unpatched systems and stolen credentials to infiltrate networks, encrypt data, and demand ransom payments. Persistent exploitation of legacy systems One of the most alarming aspects of Ghost ransomware is its focus on legacy IoT and OT environments.

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Ransomware IoT Encryption Social Engineering 109

Security Affairs

SEPTEMBER 19, 2023

China-linked threat actor Earth Lusca used a new Linux malware dubbed SprySOCKS in a recent cyber espionage campaign. Researchers from Trend Micro, while monitoring the activity of the China-linked threat actor Earth Lusca , discovered an encrypted file hosted on a server under the control of the group.

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Malware Encryption Telecommunications Authentication 125

Security Affairs

NOVEMBER 12, 2020

Cybersecurity researchers spotted a new modular PoS malware, dubbed ModPipe, that targets PoS restaurant management software from Oracle. ESET has been aware of the existence of modules since the end of 2019 when its experts first spotted the “basic” components of the malware. SecurityAffairs – hacking, PoS malware).

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Security Affairs

NOVEMBER 19, 2024

Ptitsyn reportedly sold the ransomware on darknet forums under aliases like “derxan” and “zimmermanx,” enabling other criminals to encrypt data and demand ransom. Ptitsyn and his conspirators used a ransomware-as-a-service (RaaS) model to distribute their malware to a network of affiliates.

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Cybercrime Ransomware Healthcare Education 113

Security Affairs

DECEMBER 27, 2024

Some of the vulnerabilities exploited by the botnets are CVE-2015-2051 , CVE-2019-10891 , CVE-2022-37056 , and CVE-2024-33112. The script uses various methods like “wget,” “ftpget,” “curl,” and “tftp” to download the malware. ” reads the report published by Fortinet.

Architecture 68

Architecture Malware DNS DDOS 68

Security Affairs

APRIL 7, 2020

xHelper , a new strain of Android malware is able to re-install itself on infected devices even after victims delete it or force a factory reset. xHelper , a new strain of Android malware is able to re-install itself on infected devices even after victims delete it or force a factory reset. and Russia. ” continues the report.

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Security Affairs

NOVEMBER 18, 2020

Experts from Cybereason Nocturnus uncovered an active campaign that targets users of a large e-commerce platform in Latin America with Chaes malware. Experts at Cybereason Nocturnus have uncovered an active campaign targeting the users of a large e-commerce platform in Latin America with malware tracked as Chaes.

Phishing 131

Phishing Malware Cryptocurrency Information Security 131

Hacker Combat

OCTOBER 25, 2021

Google has reported that it disrupted the phishing attacks where threat actors had tried to hijack various YouTube accounts using cookie theft malware. The crypto-currency scams, which started in 2019, saw hackers recruit their targets on one Russian-speaking platform. The malware has the ability to steal passwords and cookies.

Accountability 126

Accountability Malware Scams Antivirus 126

Security Affairs

JANUARY 31, 2020

Experts at cyber security firm Cypher conducted a study on Portuguese domains during 2019 and concluded that Emotet and Ryuk were the most active threats. Emotet , the most widespread malware worldwide and Ryuk , a ransomware type, are growing threats and real concerns for businesses and internet users in 2020. Pierluigi Paganini.

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Malware Advertising Retail Antivirus 143

Security Affairs

MARCH 3, 2020

Nemty ransomware first appeared on the threat landscape in August 2019, the name of the malware comes after the extension it adds to the encrypted file names. The ransomware deletes shadow copies of encrypted files to make in impossible any recovery procedure. they also announced a working tool for version 1.5.

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Ransomware Advertising Encryption Malware 138

Krebs on Security

NOVEMBER 14, 2018

As per usual, most of the critical flaws — those that can be exploited by malware or miscreants without any help from users — reside in Microsoft’s Web browsers Edge and Internet Explorer. Adobe also has security patches available for Flash Player , Acrobat and Reader users.

Encryption 239

Encryption Passwords Internet Internet 239

Security Affairs

NOVEMBER 28, 2020

The Conti ransomware gang hit infected the systems of industrial automation and Industrial IoT (IIoT) chip maker Advantech and is demanding over $13 million ransom (roughly 750 BTC) to avoid leaking stolen files and to provide a key to restore the encrypted files. billion in 2019.

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SecureList

JANUARY 6, 2025

change the creation, last access and write time, timestamp of the file to "1/8/2019 9:57" attrib.exe -s -h -a C:userspublicntusers0.dat dat powershell.exe -Command "='1/8/2019 9:57'; = 'C:userspublicntusers0.dat';(Get-Item dat powershell.exe -Command "='1/8/2019 9:57'; = 'C:userspublicntusers0.dat';(Get-Item dat';(Get-Item ).creationtime

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Security Affairs

JUNE 15, 2020

Black Kingdom ransomware operators are targeting organizations using unpatched Pulse Secure VPN software to deploy their malware. the malicious code encrypts files and appends the.DEMON extension to filenames of the encrypted documents. and Italy hosting Android and cryptocurrency mining malware.”

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VPN Ransomware Advertising Encryption 138

Adam Levin

JANUARY 9, 2020

To date, the company can confirm that whilst there has been some data encryption, there is no evidence that structured personal customer data has been encrypted. This strain of ransomware was used in many of 2019’s most newsworthy ransomware campaigns, including concurrent attacks on 22 Texas municipalities.

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CyberSecurity Insiders

OCTOBER 28, 2021

As usual, the said malware gang is reportedly spreading its wings by exploiting the vulnerability in Microsoft Exchange Servers like how REvil and Maze have done in the past. The post Ranzy Locker Ransomware warning issued by FBI appeared first on Cybersecurity Insiders.

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SecureList

APRIL 24, 2023

It is worth noting that while we identified a few targets in other locations, all of them appear to be foreign diplomatic entities of the colored countries: Tomiris’s polyglot toolset Tomiris uses a wide variety of malware implants developed at a rapid pace and in all programming languages imaginable.

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Security Affairs

DECEMBER 27, 2021

The attackers first create a user in the administrator group, then use it to encrypt the content of the NAS. “It is important to note that there is a free decryptor for files locked with an older version (before July 17th, 2019) of eCh0raix ransomware. . TXTT” extension. 024 ($1,200) up to.06 06 bitcoins ($3,000). and 1.0.6).”

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SecureList

JUNE 1, 2023

The oldest traces of infection that we discovered happened in 2019. Forensic methodology It is important to note, that, although the malware includes portions of code dedicated specifically to clear the traces of compromise, it is possible to reliably identify if the device was compromised. net backuprabbit[.]com com cloudsponcer[.]com

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Malware Backups Mobile DNS 145

Security Affairs

FEBRUARY 7, 2023

A new Linux variant of the Clop ransomware has been observed in the wild, the good news is that its encryption algorithm is flawed. The researchers noticed that the encryption algorithm implemented in the ELF executable is flawed and can allow victims to decrypt locked files without paying a ransom. ” continues the report.

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Encryption Ransomware Cybercrime Engineering 98

SecureWorld News

OCTOBER 23, 2024

Securities and Exchange Commission (SEC) announced Tuesday that it has fined four companies $7 million for misleading statements about their cybersecurity incidents, particularly concerning the high-profile 2019 SolarWinds hack. Unisys Corp., Avaya Holdings Corp., Check Point Software Technologies Ltd.,

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Cybersecurity Risk Hacking Software 110

Security Affairs

FEBRUARY 23, 2022

The code of the recently-emerged Entropy ransomware has similarities with the one of the infamous Dridex malware. The recently-emerged Entropy ransomware has code similarities with the popular Dridex malware. In a first stage it allocates the memory space where to copy the encrypted data and whose content is executed by the packer.

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Ransomware Malware Cybercrime Banking 111

Security Affairs

NOVEMBER 19, 2023

Phobos variants are usually distributed by the SmokeLoader , but in 8Base campaigns, it has the ransomware component embedded in its encrypted payloads. 8base” file extension for encrypted documents, a circumstance that suggested a possible link to the 8Base group or the use of the same code-base for their ransomware.

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eSecurity Planet

DECEMBER 13, 2021

Germany-based G Data CyberDefense released software designed to trick the STOP ransomware variant into believing that a targeted system has already been compromised and keeping it from encrypting files after the device has been infected. Use ‘Harmless’ Parts of Malware. They also come with the same limitations.

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Ransomware Cybersecurity Encryption Malware 145

The Last Watchdog

JUNE 21, 2020

Although most people think of ransomware as a dodgy application that encrypts data and holds it for ransom, the concept is much more heterogeneous than that. File encryption 2013 – 2015. It emerged in September 2013 and paved the way for hundreds of file-encrypting menaces that have splashed onto the scene ever since.

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Ransomware Hacking Encryption Penetration Testing 243

The Last Watchdog

MARCH 17, 2021

NTT Research opened its doors in Silicon Valley in July 2019 to help nurture basic research in three subject areas that happen to be at the core of digital transformation: quantum physics, medical informatics and cryptography. More about these paradigm shifters below. Treasury, the U.S. Department of Commerce and at least 425 of the U.S.

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Digital transformation Encryption Technology Mobile 222

Krebs on Security

APRIL 26, 2019

But according to an in-depth analysis shared with KrebsOnSecurity by security researcher Paul Marrapese , iLnkP2P devices offer no authentication or encryption and can be easily enumerated, allowing potential attackers to establish a direct connection to these devices while bypassing any firewall restrictions.

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IoT Firewall Manufacturing Computers and Electronics 278

SecureList

APRIL 7, 2022

One of the biggest differences from other ransomware actors is that BlackCat malware is written in Rust, which is unusual for malware developers. The group attempted to deploy the malware extensively within organizations in December 2021 and January 2022. The group is also known as BlackCat.

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Encryption Ransomware Malware Passwords 142

Security Affairs

APRIL 30, 2020

Security experts from Cybereason Nocturnus team discovered a new piece of Android malware dubbed EventBot that targets banks, financial services across Europe. Researchers from Cybereason Nocturnus team discovered a new piece of Android malware dubbed EventBot that targets banks, financial services across Europe.

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Mobile Financial Services Banking Malware 143