Malwarebytes

AUGUST 3, 2022

This blog post was authored by Ankur Saini and Hossein Jazi. In this blog post, we will analyze Woody Rat’s distribution methods, capabilities as well as communication protocol. Before initialization, the malware effectively suppresses all error reporting by calling SetErrorMode with 0x8007 as parameter. main function.

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Malware Encryption Antivirus Architecture 112

Webroot

MAY 9, 2024

Your personal devices—laptops, smartphones, and tablets—hold a wealth of sensitive information that cybercriminals target through malware , ransomware , and other cyber threats. A VPN encrypts your internet connection, protecting your data from prying eyes. appeared first on Webroot Blog. Help me choose the right protection.

Identity Theft 75

Identity Theft VPN Password Management Antivirus 75

Krebs on Security

JANUARY 27, 2021

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. million last summer in exchange for a digital key needed to unlock files encrypted by the ransomware. ” Image: Chainalysis.

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Security Affairs

MAY 4, 2022

The security researcher John Page aka ( hyp3rlinx ) discovered that malware from multiple ransomware operations, including Conti , REvil , LockBit , AvosLocker , and Black Basta, are affected by flaws that could be exploited block file encryption. “Conti looks for and executes DLLs in its current directory. Pierluigi Paganini.

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Security Boulevard

SEPTEMBER 8, 2022

The Persistence of Abusive Certificates in Malware. Trusted applications will not be stopped by antivirus or anti-malware technologies. PKI is an asymmetric system, using two keys to encrypt communications; public and private keys. Attackers can create fake websites to steal credentials and/or deliver malware.

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Malware Antivirus Encryption Software 52

Webroot

OCTOBER 14, 2022

In other words, 2022 has been an eventful year in the threat landscape, with malware continuing to take center stage. The 6 Nastiest Malware of 2022. With that, here are the 6 Nastiest Malware of 2022. The post Discover 2022’s Nastiest Malware appeared first on Webroot Blog. 2022 was no different.

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Malware Antivirus DDOS Cyber Insurance 61

Malwarebytes

JANUARY 10, 2024

Last year, we documented malware distribution campaigns both via malvertising and compromised sites delivering Atomic Stealer (AMOS) onto Mac users. It looks like Atomic Stealer was updated around mid to late December 2023, where its developers introduced payload encryption in an effort to bypass detection rules.

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Passwords Antivirus Malware Encryption 119

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.

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Ransomware Cybercrime Accountability Malware 244

Security Boulevard

JULY 18, 2022

However, threat actors continue to evolve their tactics and are able to successfully upload dangerous apps laced with malware on the Google play store. Recently, the Zscaler ThreatLabz team discovered apps involving multiple instances of the Joker, Facestealer, and Coper malware families spreading in the virtual marketplace.

Banking 98

Banking Malware Encryption Architecture 98

Malwarebytes

AUGUST 3, 2022

This blog post was authored by Ankur Saini and Hossein Jazi. In this blog post, we will analyze Woody Rat's distribution methods, capabilities as well as communication protocol. Before initialization, the malware effectively suppresses all error reporting by calling SetErrorMode with 0x8007 as parameter. Distribution methods.

Malware 66

Malware Encryption Antivirus Architecture 66

Centraleyes

FEBRUARY 8, 2024

The Origins of EDR The term “Endpoint Detection and Response” found its roots in the need for a comprehensive solution beyond traditional antivirus measures. EDR: Where Antivirus Falls Short Traditional antivirus software relies on signature and definition-based detection, falling short against modern attack vectors.

Antivirus 52

Antivirus Cyber threats Malware Threat Detection 52

Security Affairs

MARCH 29, 2019

Malware researchers at Cybaze-Yoroi ZLAB team dissected a new sample of Qrypter malware that revealed an interesting evolution of the threat. This attachment has been dissected by Cybaze-Yoroi ZLAB team, revealing an interesting evolution of the Qrypter malware threat. Malware stacktrace. Encrypted file content.

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Malware Encryption Advertising Engineering 85

Krebs on Security

MAY 17, 2021

So many readers had questions in response to the tweet that I thought it was worth a blog post exploring this one weird cyber defense trick. So many readers had questions in response to the tweet that I thought it was worth a blog post exploring this one weird cyber defense trick. “Sodinokibi”) ransomware groups.

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Malware Ransomware Cybercrime Risk 348

SiteLock

NOVEMBER 24, 2021

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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Ransomware Malware Encryption Antivirus 59

SecureList

JANUARY 17, 2024

To be more specific, in 2023, the volume of malware log files containing compromised user data and posted for free on the dark web surged by almost 30% compared to 2022. Notable among these was BunnyLoader , inexpensive and feature-rich malware capable of stealing sensitive data and cryptocurrency.

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Marketing Cryptocurrency Malware Ransomware 111

Security Affairs

NOVEMBER 19, 2022

The DEV-0569 group carries out malvertising campaigns to spread links to a signed malware downloader posing as software installers or fake updates embedded in spam messages, fake forum pages, and blog comments. The downloader, tracked as BATLOADER , shares similarities with another malware called ZLoader.

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Ransomware Malware Antivirus Phishing 126

SecureList

APRIL 24, 2023

In this blog post, we’re excited to share what we now know of Tomiris with the broader community, and discuss further evidence of a possible connection to Turla. We hypothesize that the general aim is to provide operators with “full-spectrum malware” in order to evade security products.

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NopSec

AUGUST 2, 2017

Antivirus software is one of the oldest and the most ever present security control against malware and various types of malicious software. It’s historically focused on blocking viruses, then eventually evolved into blocking all sort of other malware. “I I have antivirus so I’m covered” used have some legitimate weight to it.

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Webroot

SEPTEMBER 9, 2022

While computer antivirus is effective, sometimes malware still wins. Banking trojans , a type of malware that is hidden under legitimate-looking software and designed to hack your bank accounts. This type of malware acts extremely fast, and if your antivirus is not up to date, it may not recognize it.

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Malwarebytes

SEPTEMBER 12, 2023

We are releasing this blog to warn users about this threat as the malicious ad has been online for almost one week. The malware being used in this campaign is BatLoader, a type of loader that is very good at evading detection. Loaders such as BatLoader are stealthy and may not be detected by traditional antivirus.

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Security Affairs

MAY 4, 2023

However, CBS News Texas obtained an image the ransomware note dropped by the malware on the infected systems. FBI and CISA believe this variant, which uses its own custom-made file encryption program, evolved from earlier iterations that used “Zeon” as a loader.” Source J.D. reads the alert.

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Security Affairs

MAY 9, 2023

The new ransomware strain outstands for the use of encryption to protect the ransomware binary. CACTUS essentially encrypts itself, making it harder to detect and helping it evade antivirus and network monitoring tools,” Laurie Iacono, Associate Managing Director for Cyber Risk at Kroll, told Bleeping Computer.

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Ransomware VPN Antivirus Encryption 73

Krebs on Security

SEPTEMBER 30, 2023

The government says Snatch used a customized ransomware variant notable for rebooting Microsoft Windows devices into Safe Mode — enabling the ransomware to circumvent detection by antivirus or endpoint protection — and then encrypting files when few services are running.

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Ransomware Accountability Cybercrime Backups 225

SecureList

DECEMBER 27, 2022

We continue to track the group’s activities and this October we observed the adoption of new malware strains in its arsenal. However, it has recently started to adopt new methods of malware delivery. In addition, the group tested different file types to refine malware delivery methods. Post-exploitation.

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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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Security Affairs

OCTOBER 17, 2018

Yoroi security firm uncovered a targeted attack against one of the most important companies in the Italian Naval Industry leveraging MartyMcFly Malware. At a first sight, the office document had an encrypted content available on OleObj.1 And why the attacker used an encrypted payload if the victim cannot open it? 1 and OleObj.2.

Malware 86

Malware Computers and Electronics Encryption Penetration Testing 86

Security Affairs

APRIL 14, 2023

The gang’s affiliates must keep the RTM Locker malware builds private to prevent they can be analyzed. The researchers discovered that the samples contain a self-delete mechanism which is invoked once the victim’s device is encrypted. The group threatens to ban every affiliate who does leak samples. reads the screenshot.

Encryption 66

Encryption Antivirus Malware Education 66

Google Security

APRIL 30, 2024

Posted by Will Harris, Chrome Security Team Chromium's sandboxed process model defends well from malicious web content, but there are limits to how well the application can protect itself from malware already on the computer. This blog will also show how the logging works in practice by testing it against a python password stealer.

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Quick Heal Antivirus

MARCH 29, 2023

The rise of ransomware and malware variants has been a growing concern for individuals and organizations alike. The post Deep Dive into Royal Ransomware appeared first on Quick Heal Blog.

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Fox IT

MARCH 3, 2022

Authors: Alberto Segura, Malware analyst Rolf Govers, Malware analyst & Forensic IT Expert. NCC Group, as well as many other researchers noticed a rise in Android malware last year, especillay Android banking malware. One of these ‘newer’ families is an Android banking malware called SharkBot.

Banking 81

Banking Malware Encryption Antivirus 81

Security Boulevard

JULY 28, 2021

Continue reading Stylish Magento Card Stealer loads Without Script Tags at Sucuri Blog. The post Stylish Magento Card Stealer loads Without Script Tags appeared first on Security Boulevard.

Antivirus 72

Antivirus Malware Encryption Hacking 72

Fox IT

MAY 4, 2021

In this post we provide some history, analysis and observations on this most pernicious family of banking malware targeting Oceania, the UK, Germany and Italy. Despite its long and rich history in the cyber-criminal underworld, the Gozi malware family is surrounded with mystery and confusion. Introduction.

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Banking Malware Encryption Architecture 98

SecureList

MARCH 28, 2023

Although we have written about a similar malware attack in 2017 in one of our blogposts , the technique is still very relevant today as it doesn’t have any perfect solution from the perspective of operating system design. They were replicated and reused in other malware too. So does encrypting ransomware.

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Fox IT

SEPTEMBER 2, 2022

After we discovered in February 2022 the SharkBotDropper in Google Play posing as a fake Android antivirus and cleaner, now we have detected a new version of this dropper active in the Google Play and dropping a new version of Sharkbot. The body of the request is encrypted using RC4 and a hard coded key.

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Malware Antivirus Banking Accountability 84

eSecurity Planet

AUGUST 31, 2021

The malware garnered a lot of attention over the past several months after being detected exploiting high-profile Microsoft vulnerabilities dubbed ProxyShell and PetitPortam. Intermittent encryption is not unusual, according to a blog post by Mark Loman, director of engineering at Sophos. Such ransomware as LockBit 2.0,

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CyberSecurity Insiders

MAY 31, 2023

This blog was jointly written with Alejandro Prada and Ofer Caspi. The malware combines several open-source projects to improve its capabilities. It was around that time that the malware was first observed in the wild, appearing with 0 detections on VirusTotal. The artifacts described by the users matched with SeroXen RAT.

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The Last Watchdog

FEBRUARY 28, 2021

Regardless of how familiar you are with Information Security, you’ve probably come across the term ‘malware’ countless times. From accessing your business-critical resources and sensitive information to halting business operations and services, a malware infection can quickly become an organization’s worst nightmare come true.

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Cyber threats Computers and Electronics Adware Spyware 113