Krebs on Security

JANUARY 27, 2021

“Chainalysis has traced more than $46 million worth of funds in NetWalker ransoms since it first came on the scene in August 2019,” the company said in a blog post detailing its assistance with the investigation. million last summer in exchange for a digital key needed to unlock files encrypted by the ransomware.

Ransomware 278

Ransomware Cybercrime Antivirus Encryption 278

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. To nominate, please visit:?

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Ransomware Antivirus Malware Encryption 107

Security Boulevard

DECEMBER 17, 2023

Background of xorbot In November 2023, NSFOCUS Global Threat Hunting System detected that a type of elf file was being widely distributed and accompanied by a large amount of suspected encrypted outbound communication traffic. After further […] The post xorbot: A Stealthy Botnet Family That Defies Detection appeared first on NSFOCUS, Inc.,

Antivirus 59

Antivirus Cyber Attacks Engineering Encryption 59

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.

Ransomware 83

Ransomware VPN Antivirus Encryption 83

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. I have antivirus so I’m covered” used have some legitimate weight to it. Hope for the best that the target does not have an antivirus or an end point security tool! <For

Antivirus 40

Antivirus Software Penetration Testing Technology 40

Security Affairs

MAY 4, 2023

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.” After gaining access to victims’ networks, Royal actors disable antivirus software and exfiltrate large amounts of data before ultimately deploying the ransomware and encrypting the systems.”

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Ransomware Healthcare Education Encryption 97

Quick Heal Antivirus

MARCH 18, 2021

VPN consists of a tunnel that your encrypted data. The post Data of 21 Million VPN users breached appeared first on Quick Heal Blog | Latest computer security news, tips, and advice. VPN is a prominent tool for enhanced online life.

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VPN Encryption 126

CSO Magazine

NOVEMBER 21, 2022

The analysis discovered that the threat actors behind the campaign leverage extortion without malware-based encryption, have significantly invested in call centers and infrastructure unique to attack targets, and are evolving their tactics over time. To read this article in full, please click here

Phishing 76

Phishing Malware Social Engineering Retail 76

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.

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Antivirus Cyber threats Malware Threat Detection 52

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 215

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. com) purporting to be Webex: BatLoader: the stealthy malware loader The downloaded file exceeds the size limit for many sandboxes and is designed to bypass detection from antivirus products.

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Antivirus Advertising Malware Engineering 115

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. ” reads the report published by Microsoft.

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Ransomware Malware Antivirus Phishing 135

Security Boulevard

MARCH 25, 2022

This blog will highlight the most recent changes to the ransomware and how Conti improved file encryption, introduced techniques to better evade security software, and streamlined the ransom payment process. Start encryption using the specified path as the root directory. Size parameter for large file encryption.

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Ransomware Encryption Software Passwords 129

Security Boulevard

JULY 28, 2021

Continue reading Stylish Magento Card Stealer loads Without Script Tags at Sucuri Blog. In this post I will go over how it was found, how to decode it and how it works! The post Stylish Magento Card Stealer loads Without Script Tags appeared first on Security Boulevard.

Antivirus 72

Antivirus Malware Encryption Hacking 72

Security Affairs

JANUARY 8, 2021

“The loader decrypts the malicious malware and executes it using memfd create (as described in this blog in 2018). Upon executing the code, it will ask the user the path for the payload to be encrypted and the password to be used for AES encryption to hide the malware within the loader. ” concludes the report.

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Malware Encryption Antivirus Passwords 141

Security Boulevard

SEPTEMBER 8, 2022

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. A Public key is used to encrypt data, whether that be on the user’s browser, data, or part of a message to be sent. Related Blogs.

Malware 52

Malware Antivirus Encryption Software 52

Krebs on Security

APRIL 22, 2019

The software is broadly classified as malware by most antivirus companies, likely thanks to an advertised feature list that includes dumping the remote computer’s temporary memory; retrieving passwords from dozens of email programs; snarfing the target’s Wi-Fi credentials; and viewing the target’s Webcam.

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Advertising Antivirus Software Malware 194

Google Security

APRIL 30, 2024

Where it is not possible to prevent the theft of credentials and cookies by malware, the next best thing is making the attack more observable by antivirus, endpoint detection agents, or enterprise administrators with basic log analysis tools. Summary This blog has described a technique for strong detection of cookie and credential theft.

Passwords 84

Passwords Malware Encryption System Administration 84

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. Data encryption with HTTP requests. For encryption and decryption the malware uses BCryptEncrypt and BCryptDecrypt respectively.

Malware 114

Malware Encryption Antivirus Architecture 114

The Last Watchdog

SEPTEMBER 6, 2023

Backups should be kept safely in several places, such as encrypted cloud storage or external hard drives. To avoid potential vulnerabilities, keep your operating system, antivirus software, and other security tools up to date. A virtual private network (VPN) can offer an additional layer of encryption and security.

Cryptocurrency 100

Cryptocurrency Backups Passwords Software 100

Quick Heal Antivirus

JULY 29, 2022

The post PowerShell: An Attacker’s Paradise appeared first on Quick Heal Blog | Latest computer security news, tips, and advice. PowerShell was originally intended as a task automation and configuration management program for system administrators. However, it.

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System Administration Adware Antivirus Encryption 119

BH Consulting

FEBRUARY 23, 2023

In this blog, we’ll look at how you can minimise the impact of your personal mobile being compromised. Encrypt the data stored on your mobile phone. For Android, however, you may need to enable encryption manually. Tune in to a future blog for advice on what to do if your mobile phone has been lost or stolen.

Mobile 105

Mobile Hacking Banking VPN 105

Webroot

FEBRUARY 26, 2024

By encrypting your internet connection and masking your IP address, a good VPN shields your online activities from prying eyes, hackers, and nosy advertisers. Backup your data Picture this nightmare scenario: Your laptop is suddenly hijacked by a malware infection or a ransomware attack encrypting all your files and holding them hostage.

Scams 99

Scams VPN Passwords Phishing 99

The Last Watchdog

SEPTEMBER 27, 2021

It foreshadowed how encryption would come to be used as a foundation for Internet commerce – by companies and criminals. Today companies face a challenge of identifying and deflecting encrypted traffic leveraged by malicious actors. This was considered a significant win for the U.S. The Creeper Virus (1971).

Cybersecurity 140

Cybersecurity Hacking Identity Theft Technology 140

Krebs on Security

FEBRUARY 23, 2019

19, Apex was alerted that its systems had been infected with a destructive strain of ransomware that encrypts computer files and demands payment for a digital key needed to unscramble the data. “When they encrypt the data, that happens really fast,” he said. Roswell, Ga. on Tuesday, Feb. More than a week later on Jan.

Backups 226

Backups Ransomware Encryption Internet 226

Webroot

OCTOBER 14, 2022

The year’s most successful ransomware group Introduced the triple extortion method – encryption + data leak + DDOS attack Accept payments in two untraceable cryptocurrencies Monero and Zcash as well as Bitcoin. The post Discover 2022’s Nastiest Malware appeared first on Webroot Blog.

Malware 61

Malware Antivirus DDOS Cyber Insurance 61

Fox IT

MARCH 3, 2022

After discovery NCC Group immediately notified Google and decided to share our knowledge via this blog post. Because of the fact of being distributed via the Google Play Store as a fake Antivirus, we found that they have to include the usage of infected devices in order to spread the malicious app.

Banking 81

Banking Malware Encryption Antivirus 81

CyberSecurity Insiders

MAY 31, 2023

This blog was jointly written with Alejandro Prada and Ofer Caspi. Due to its relatively large size, certain antivirus may choose not to analyze it, potentially bypassing detection. Antivirus / EDR evasion: The rootkit uses several evasion techniques: AMSI bypass: PowerShell inline script patches “amsi.dll!AmsiScanBuffer”

Malware 117

Malware Antivirus Encryption Advertising 117

Zigrin Security

OCTOBER 11, 2023

For a detailed threat actor description do not forget to check out our blog article about selecting between black-box, white-box, and grey-box penetration tests and also you would know which pentest you need against a specific threat actor. Let’s have a look at the types of threat actors and what type of data they would like to obtain.

Cyber threats 52

Cyber threats Penetration Testing Passwords Backups 52

Security Affairs

JANUARY 29, 2021

Attackers used Twitter profiles for sharing links to a blog under their control ( br0vvnn[.]io The attackers published a blog post titled “DOS2RCE: A New Technique To Exploit V8 NULL Pointer Dereference Bug ” and shared it via Twitter. “If you visited the referenced ZINC-owned blog (br0vvnn[.]io),

Malware 120

Malware Antivirus Hacking Accountability 120

Quick Heal Antivirus

MARCH 29, 2023

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

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Ransomware Malware Encryption Cybersecurity 116

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. Introduction. Conclusion.

Malware 84

Malware Antivirus Banking Accountability 84

Quick Heal Antivirus

JULY 3, 2023

The post White Snake Menace: The Growing Threat of Information Stealers in the Cybercrime Landscape appeared first on Quick Heal Blog. Introduction The rise of malicious software designed to steal sensitive information has become a significant problem in the.

Cybercrime 97

Cybercrime Software Data breaches Encryption 97

CyberSecurity Insiders

FEBRUARY 25, 2022

This blog was jointly written with Santiago Cortes. According to these blogs, at least 10 companies may have been impacted by these ransomware campaigns in the first two weeks of February. Blog BotenaGo. Executive summary. The BlackCat malware has code very similar to its predecessors.

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Ransomware Encryption Malware Backups 119

Malwarebytes

MAY 6, 2022

REvil now seems to have returned to the fray with new payloads, and a new leak blog displaying a mixture of new victims and old victims known to have been attacked by REvil. At first, some suspected that Onyx may be a wiper rather than ransomware because it destroyed files larger than 2MB instead of encrypting them. New gangs emerge.

Ransomware 84

Ransomware Encryption Accountability Technology 84

eSecurity Planet

NOVEMBER 6, 2023

The problem: VMware Carbon Black researchers detailed the findings in a blog post. Exploiting these issues might result in unauthorized command execution, exposing NAS systems to data theft, encryption, or ransomware attacks. Collaborative initiatives improve the digital ecosystem’s overall resilience.

Software 101

Software Education Ransomware Firmware 101

SecureList

DECEMBER 27, 2022

At the time of analysis, this.vhd sample wasn’t detected by any antivirus. The virtual disk file contains a decoy PDF file, Windows executable file, and an encrypted Dump.bin file. The spawned downloader contains an encrypted configuration at the end of the file. /slideLayouts/slideLayout1.xml"/></Relationships>

Malware 132

Malware Banking Passwords Antivirus 132