Security Affairs

MARCH 10, 2025

Kaspersky researchers discovered a mass malware campaign spreading SilentCryptoMiner by disguising it as a tool to bypass internet restrictions. While investigating the increased use of Windows Packet Divert ( WPD ) tools by crooks to distribute malware under this pretense, the researchers spotted the campaign.

Cryptocurrency 92

Cryptocurrency Malware Social Engineering Antivirus 92

Webroot

NOVEMBER 21, 2024

The five core components of a VPN are: Encryption : The conversion of information into a coded format that can only be read by someone who has the decryption key. Split tunneling: Allows you to choose which internet traffic goes through the VPN (with encryption) and which goes directly to the internet. How do VPNs work?

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VPN Antivirus Internet Internet 110

Security Affairs

NOVEMBER 24, 2024

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape. Android Malware Detection Based on Behavioral-Level Features with Graph Convolutional Networks.

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Malware Spyware Antivirus VPN 63

Security Affairs

FEBRUARY 16, 2021

Latin American Javali trojan weaponizing Avira antivirus legitimate injector to implant malware. Latin American trojans share the same modus operandi and even modules and blocks of code observed during the analysis of several malware samples. Background of Latin American Trojans.

Antivirus 133

Antivirus Malware Banking Internet 133

Krebs on Security

MAY 22, 2019

Some of the most convincing email phishing and malware attacks come disguised as nastygrams from a law firm. Here’s a look at a recent spam campaign that peppered more than 100,000 business email addresses with fake legal threats harboring malware. Please download and read the attached encrypted document carefully.

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Phishing Antivirus Scams Malware 279

CSO Magazine

AUGUST 30, 2021

The threat uses what researchers from antivirus vendor Sophos call “intermittent encryption,” meaning it only encrypts chunks of data inside a file instead of its complete contents. Learn how recent ransomware attacks define the malware's new age and 5 reasons why the cost of ransomware attacks is rising. |

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Encryption Ransomware CSO Antivirus 125

Webroot

FEBRUARY 21, 2025

What began as antivirus product has expanded into a comprehensive portfolio to secure your entire digital life. Introducing Webroot Total Protection: Comprehensive security for the modern world When you think about cybersecurity, you probably think of antivirus protectionand rightly so. But as technology advances, so do the threats.

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Antivirus Identity Theft Cyber threats Phishing 72

SecureWorld News

OCTOBER 31, 2024

Vampire malware: draining systems dry This malware creeps in undetected, draining resources and stealing data in the dark. Like vampires, malware strains can operate quietly, leeching data or encrypting files without warning, making ransomware and spyware infections incredibly haunting.

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IoT Phishing DDOS Backups 120

Security Affairs

AUGUST 31, 2021

Recently emerged LockFile ransomware family LockFile leverages a novel technique called intermittent encryption to speed up encryption. Sophos researchers discovered that the group is now leveraging a new technique called “intermittent encryption” to speed up the encryption process.

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Encryption Ransomware Financial Services Antivirus 143

Malwarebytes

OCTOBER 11, 2023

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. Stop malicious encryption. Detect intrusions. Use EDR or MDR to detect unusual activity before an attack occurs. Don’t get attacked twice.

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Antivirus Insurance Ransomware Healthcare 126

eSecurity Planet

OCTOBER 24, 2023

Malware attacks pose a significant risk to both individuals and businesses, infiltrating computer systems, compromising sensitive data and disrupting operations, leading to financial and data loss — and even extortion. Here are 15 important controls and best practices for preventing malware.

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Malware Antivirus Software Passwords 124

Security Affairs

FEBRUARY 28, 2025

In September 2024, Doctor Web researchers uncovered a malware, tracked as Vo1d , that infected nearly 1.3 In August 2024, several users reported that Dr.Web antivirus detected changes in their TV box system files. Researchers at the Chinese cybersecurity firm QiAnXin (QAX) recently discovered 89 new malware samples.

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Antivirus Firmware Encryption Manufacturing 64

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. ” concludes the report.

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Malware Encryption Passwords Antivirus 145

SecureList

MARCH 5, 2025

They started distributing malware under the guise of restriction bypass programs and injecting malicious code into existing programs. The most commonly used malware families were NJRat, XWorm, Phemedrone and DCRat. This technique is used to hinder automatic analysis by antivirus solutions and sandboxes.

Malware 101

Malware Cryptocurrency Antivirus Technology 101

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 137

SecureList

NOVEMBER 6, 2024

It also uses stealer malware to extract the victim’s credit card data as well as details about the infected device. Technical Details Background In August 2024, we stumbled upon a massive infection caused by an unknown bundle consisting of miner and stealer malware. SteelFox.gen , Trojan.Win64.SteelFox.*. SteelFox.*.

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Software Cryptocurrency Malware DNS 122

Malwarebytes

NOVEMBER 16, 2021

This Android app, purported as a secure messaging application that uses end-to-end encryption, is the latest ruse cybercriminals put upon smartphone users, particularly those based in India, to infect their devices with GravityRAT, a piece of malicious software that is known to spy on people and steal their data.

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Malware Encryption Media Marketing 142

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. When the victims clicked on the link, it would redirect the victim to some malware landing page. . The malware has the ability to steal passwords and cookies.

Accountability 126

Accountability Malware Scams Antivirus 126

Security Affairs

JUNE 11, 2021

Experts spotted a new mysterious malware that was used to collect a huge amount of data, including sensitive files, credentials, and cookies. Threat actors used custom malware to steal data from 3.2 NordLocker experts speculate the malware campaign leveraged tainted Adobe Photoshop versions, pirated games, and Windows cracking tools.

Malware 129

Malware Computers and Electronics Software Financial Services 129

SecureWorld News

JANUARY 16, 2025

Regularly updating and patching systems, including antivirus software, firewalls, and SCADA networks, can mitigate this risk. Hackers used compromised credentials to gain access to Colonial Pipeline's network, deploying ransomware that encrypted critical systems.

Energy and Utilities 109

Energy and Utilities IoT Artificial Intelligence Backups 109

eSecurity Planet

FEBRUARY 4, 2022

Malware is one of the biggest threats businesses face, and with nearly a third of all malware coming through the internet and email, businesses and consumers alike need ways to protect themselves. Antivirus Software. Also Read: 4 Best Antivirus Software of 2022. Key Features of Antivirus Software. Back to top.

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Internet Internet Software Antivirus 144

Krebs on Security

MARCH 28, 2021

New data suggests someone has compromised more than 21,000 Microsoft Exchange Server email systems worldwide and infected them with malware that invokes both KrebsOnSecurity and Yours Truly by name. Oddly, none of the several dozen antivirus tools available to scan the file at Virustotal.com currently detect it as malicious.

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Hacking Cybercrime DNS Internet 363

Krebs on Security

APRIL 22, 2019

The owner of a Swedish company behind a popular remote administration tool (RAT) implicated in thousands of malware attacks shares the same name as a Swedish man who pleaded guilty in 2015 to co-creating the Blackshades RAT , a similar product that was used to infect more than half a million computers with malware, KrebsOnSecurity has learned.

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Advertising Antivirus Software Malware 233

Webroot

FEBRUARY 21, 2025

Its a top-end, true all-in-one offering based on a new platform that combines antivirus, password manager, identity protection, VPN, backup, and parental controls. Comprehensive antivirus software is most effective when used in conjunction with security best practices. This is where data encryption and automated backups come in.

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Identity Theft Backups Antivirus Encryption 65

Malwarebytes

AUGUST 3, 2022

Before initialization, the malware effectively suppresses all error reporting by calling SetErrorMode with 0x8007 as parameter. As we will see later, that malware uses multiple threads and so it allocates a global object and assigns a mutex to it to make sure no two clashing operations can take place at the same time. main function.

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Malware Encryption Antivirus Architecture 134

Krebs on Security

NOVEMBER 22, 2019

17, unknown attackers launched a ransomware strain known as Ryuk inside VCPI’s networks, encrypting all data the company hosts for its clients and demanding a whopping $14 million ransom in exchange for a digital key needed to unlock access to the files. At around 1:30 a.m. They didn’t even succeed at first, but they kept trying.”

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Ransomware Computers and Electronics Healthcare Data breaches 362

Security Affairs

APRIL 29, 2023

A new variant of the information-stealing malware ViperSoftX implements sophisticated techniques to avoid detection. Trend Micro researchers observed a new ViperSoftX malware campaign that unlike previous attacks relies on DLL sideloading for its arrival and execution technique. c2 arrowlchat[.]com c2 arrowlchat[.]com

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Encryption Malware Cryptocurrency Software 98

Security Affairs

JANUARY 16, 2023

Antivirus firm Avast released a free decryptor for the BianLian ransomware family that allows victims to recover locked files. Security firm Avast has released a free decryptor for the BianLian ransomware to allow victims of the malware to recover locked files. It is also recommendable to check the virus vault of your antivirus.

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Ransomware Malware Encryption Antivirus 98

The Last Watchdog

MARCH 6, 2021

A VPN encrypts all internet traffic so that it is unreadable to anyone who intercepts it. Use antivirus software. Your devices need excellent antivirus software to act as the next defense line by blocking and detecting known malware. Ransomware or other varieties of malware can wipe entire systems.

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VPN Passwords Firewall Risk 214

Webroot

MARCH 12, 2025

Backing up your data simply means creating copies of your important files and storing them in secure, encrypted locations. This can be caused by software bugs, hardware failures, viruses and malware , resulting in system crashes or data corruption. Ensures that your valuable data is encrypted, secure, and accessible when you need it.

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Backups Encryption Antivirus Data preservation 62

Security Affairs

MARCH 7, 2025

“Like the majority of ransomware operators, Spearwing and its affiliates carry out double extortion attacks, stealing victims’ data before encrypting networks in order to increase the pressure on victims to pay a ransom,” reads the report published by Symantec.

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Ransomware Antivirus Healthcare Encryption 63

eSecurity Planet

OCTOBER 18, 2022

However, even with the best planning, organizations can find a few users, machines, or systems that were overlooked or whose backup may be corrupted or encrypted. 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.

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Ransomware Encryption Insurance Backups 145

CyberSecurity Insiders

MAY 14, 2023

One way to secure information in the cloud is through encryption. Encryption is the process of converting information into a code that only authorized parties can access. Cloud providers use encryption to protect data at rest, which means when the data is stored on the provider’s servers.

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Hacking Antivirus Firewall Encryption 128

Security Affairs

APRIL 21, 2024

The Akira ransomware has been active since March 2023, the threat actors behind the malware claim to have already hacked multiple organizations in multiple industries, including education, finance, and real estate. The Akira ransomware operators implement a double extortion model by exfiltrating victims’ data before encrypting it.

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Ransomware Encryption Antivirus VPN 141

Krebs on Security

DECEMBER 13, 2021

31, 2021, the HSE’s antivirus software detected the execution of two software tools commonly used by ransomware groups — Cobalt Strike and Mimikatz — on the Patient Zero Workstation. But the antivirus software was set to monitor mode, so it did not block the malicious commands.” Now this is in itself isn’t bad.

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Healthcare Ransomware Antivirus Hacking 315

Security Affairs

DECEMBER 19, 2022

The main reasons to rewrite malware in Rust is to have lower AV detection rates, compared to malware written in most common languages, and to target multiple architectures. ” Upon executing the malware, the Rust binary prompts an error requiring a password to be passed as an argument. SecurityAffairs – hacking, malware).

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Ransomware Encryption Healthcare Education 143

Hacker Combat

APRIL 6, 2022

You are neither safe on your private nor public network, as ransomware can encrypt your files and hold them hostage. When you open an infected file that seemingly appears safe, ransomware executes its process by encrypting data. You can defeat ransomware through specific preventive measures, including software and encryption.

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Ransomware Antivirus Encryption Passwords 130