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.

Malware 84

Malware Encryption Advertising Engineering 84

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

Security Affairs

APRIL 10, 2019

Decades of adversarial coevolution with the Anti-Virus industry led the malware threats to develop the ability to evade detection, bypassing security boundaries and staying silent until the proper time. This battle, against malware, is huge. Yomi: The Malware Hunter” main interface. The Malware Hunter. For fun and profit.

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Malware Engineering Encryption Advertising 80

Security Affairs

SEPTEMBER 20, 2020

“They are also urged to read the NCSC’s newly-updated guidance on mitigating malware and ransomware attacks , and to develop an incident response plan which they regularly test.” Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->. ” reads the advisory. Pierluigi Paganini.

Education 144

Education Ransomware Antivirus Backups 144

Security Affairs

JANUARY 31, 2020

Emotet , the most widespread malware worldwide and Ryuk , a ransomware type, are growing threats and real concerns for businesses and internet users in 2020. This study also concludes that a total of 377 Portuguese domains to spread different types of malware in the same period. SecurityAffairs – malware, hacking).

Malware 104

Malware Retail Advertising Antivirus 104

CyberSecurity Insiders

JANUARY 6, 2023

Requirement 4: Less specificity on the type of encryption used means your organization is freer to follow industry best practices. Requirement 5: It is no longer sufficient to just have standard antivirus software. Below is a high-level overview of the differences between PCI v3.2.1 and PCI v4.0: Follow Tyler Reguly on Twitter.

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Antivirus Retail Software Accountability 138

Security Affairs

JULY 1, 2019

Even if the activity of Dridex decreased in the last couple of years, crooks continued to updates it adding new features such the support of XML scripts, hashing algorithms, peer-to-peer encryption, and peer-to-command-and-control encryption. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Banking 72

Banking Antivirus Advertising Encryption 72

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 85

Malware Computers and Electronics Encryption Penetration Testing 85

eSecurity Planet

JUNE 16, 2022

Cyber criminals may damage, destroy, steal, encrypt, expose, or leak data as well as cause harm to a system. Also read: Best Antivirus Software of 2022. Encrypted threats spiked 167%, ransomware increased 105%, and 5.4 billion malware attacks were identified by the report. Cyberattack Statistics. Ransomware.

Backups 145

Backups Ransomware Firewall Malware 145

Security Affairs

FEBRUARY 7, 2020

The operators behind the infamous RobbinHood ransomware are exploiting a vulnerable GIGABYTE driver to kill antivirus products. Ransomware operators leverage a custom antivirus killing p ackage that is delivered to workstations to disable security solution before starting encryption. ” reads the report published by Sophos.

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Software Ransomware Antivirus Encryption 117

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.

Banking 98

Banking Malware Encryption Architecture 98

Security Affairs

NOVEMBER 5, 2020

In such attacks, malware places a spoofed malicious DLL file in a Windows’ WinSxS directory so that the operating system loads it instead of the legitimate file. Two of these delivered a payload carrying a simple shell, while the other two carried a more complex set of malware. ” reads the analysis published by Sophos.

Encryption 105

Encryption Malware Advertising Antivirus 105

Security Affairs

SEPTEMBER 23, 2020

The Russia-linked cyberespionage group APT28 is behind a string of attacks that targeting government bodies with Zebrocy Delphi malware. “In particular, we found a malicious file uploaded to VirusTotal, which ultimately drops a Zebrocy malware and communicates with a C2 in France.” screenshots) to hxxp://194.32.78[.]245/protect/get-upd-id[.]PHP”

Antivirus 105

Antivirus Government Malware Advertising 105

CyberSecurity Insiders

MAY 31, 2023

The malware combines several open-source projects to improve its capabilities. It was first released in July 2014 as “xRAT” and renamed to “Quasar” in August 2015. It was around that time that the malware was first observed in the wild, appearing with 0 detections on VirusTotal. in March 2023, which is the most current version.

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Malware Antivirus Encryption Advertising 117

Security Affairs

JULY 11, 2019

Malware researchers at two security firms Intezer and Anomali have discovered a new piece of ransomware targeting Network Attached Storage (NAS) devices. The ransomware , tracked by Intezer as “ QNAPCrypt ” and “ eCh0raix ” by Anomali , is written in the Go programming language and uses AES encryption to encrypt files.

Ransomware 86

Ransomware Encryption Malware Advertising 86

Security Affairs

MARCH 19, 2019

The ransomware encrypts data on the victim’s machine and appends the.Jnec extension to the encrypted data asking a ransom 0.05 The attackers renamed the malware dropped in the Startup folder as ‘GoogleUpdate.exe’ in the attempt to deceive the victims. bitcoins (about $200).

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Ransomware Antivirus Encryption Advertising 67

Security Affairs

MARCH 21, 2019

LockerGoga ransomware is a crypto-malware that loads the malicious file on the system from an infected email attachment. Note that ransomware is probably detected during antivirus behavioral analysis — heuristic and signature-based detection are easily passed. In fact, this caused the encryption process to be very slow.

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Ransomware Encryption Antivirus Malware 86

Security Affairs

NOVEMBER 18, 2019

NextCry is a new ransomware that was spotted by researchers while encrypting data on Linux servers in the wild. T he name comes from the extensions the ransomware appends to the filenames of encrypted files. The malicious code targets Nextcloud instances and it is currently undetected by antivirus engines. ” said xact64.

Ransomware 71

Ransomware Encryption Malware Advertising 71

Security Affairs

AUGUST 3, 2020

He allegedly subscribed the GandCrab ransomware-as-a-service to create his own version of the malware and spread it running a spam campaign. The authors of the GandCrab RaaS also offers technical support and updates to its members, they also published a video tutorial that shows how the ransomware is able to avoid antivirus detection.

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Ransomware Advertising Malware Hacking 113

Security Affairs

MARCH 19, 2020

” According to the experts, the first infections were observed in late 2019, victims reported their files were encrypted by a strain of malware. locked to the filename of the encrypted files. “On one of the compromised information systems, experts found encrypted files with the extension “ newversion.”

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Government Ransomware Encryption Penetration Testing 100

Security Affairs

AUGUST 20, 2018

The popular malware researchers Marco Ramilli has analyzed a malware that remained under the radar for more than two years. During the analysis time, only really few Antivirus (6 out of 60) were able to “detect” the sample. AntiVirus Coverage. Resource (a.k.a package in where it will be contextualized).

Engineering 60

Engineering Malware Computers and Electronics Penetration Testing 60

Security Affairs

NOVEMBER 19, 2019

To bypass antivirus systems, hackers send out malicious emails in non-working hours with delayed activation. The first half of 2019 saw a 10-fold increase in the number of password-protected objects, such as documents and archive files, being used to deliver malware. Another trend was disguising malware in emails.

Ransomware 68

Ransomware Antivirus Malware Banking 68

Security Affairs

FEBRUARY 17, 2019

Adiantum will bring encryption on Android devices without cryptographic acceleration. New Linux coin miner kills competing malware to maximize profits. Experts found a way to create a super-malware implanted in SGX-enclaves. Experts spotted a new strain of Shlayer macOS Malware. 20% discount. Kindle Edition. Paper Copy.

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Advertising Antivirus Malware Backups 67

eSecurity Planet

AUGUST 26, 2022

Whereas older solutions like antivirus, firewalls, and endpoint detection and response (EDR) have long focused on threats at the network perimeter, the intent of NDR is to monitor and act on malicious threats within organization networks using artificial intelligence (AI) and machine learning (ML) analysis. Darktrace DETECT Features.

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Artificial Intelligence Network Security Firewall Architecture 111

Security Affairs

JANUARY 29, 2021

Microsoft Threat Intelligence Center (MSTIC) attributes this campaign with high confidence to ZINC, a DPRK-affiliated and state-sponsored group, based on observed tradecraft, infrastructure, malware patterns, and account affiliations.” Attackers also employed an encrypted Chrome password-stealer hosted on ZINC domain [link]. .

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Malware Antivirus Hacking Accountability 107

Security Affairs

SEPTEMBER 28, 2020

“When the attack happened multiple antivirus programs were disabled by the attack and hard drives just lit up with activity. ” Some reports circulating online reveal that the ransomware added the “ ryk” extension to the filenames of encrypted documents, a circumstance that confirms a Ryuk ransomware infection.

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Ransomware Healthcare Advertising Antivirus 109

Security Affairs

OCTOBER 30, 2019

Researchers at Emsisoft firm has released a new free tool to decrypt files encrypted by the Paradise ransomware. Security experts at Emsisoft have developed a tool to decrypt files encrypted by the Paradise ransomware. This ransomware family encrypts files using Salsa20 and RSA-1024 and it appends several extensions to theis filenames.

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Ransomware Encryption Advertising Antivirus 41

Security Affairs

DECEMBER 9, 2019

Experts from Antivirus maker Emsisoft discovered a bug in the decrypter app of the infamous Ryuk ransomware. megabytes) it will only encrypt certain parts of it in order to save time and allow it to work its way through the data as quickly as possible before anyone notices.” ” reads the post published by Emsisoft.

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Ransomware Encryption Backups Advertising 57

Security Affairs

MARCH 10, 2020

In human-operated ransomware attack scenario, attackers use stolen credentials, exploit misconfiguration and vulnerabilities to access target networks, attempt to escalate privileges and move laterally, and deliver malware and exfiltrate data. ” ~ Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

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Ransomware Cybercrime Social Engineering Banking 111

SecureList

OCTOBER 23, 2023

The HTML page hosted on that URL contains obfuscated JavaScript code of the NaCl cryptography library, as well as an encrypted payload. After running the validator, it encrypts and sends all collected information to another unique URL on backuprabbit[.]com com domain. This payload is the JavaScript validator. to the C2 server.

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Encryption Mobile Media Antivirus 122

Security Affairs

SEPTEMBER 15, 2019

At every turn in the infection chain, the malware uses legitimate services to evade detection. The malware abused living -off-the-land binaries (LOLbins) such as the command line interface of the Windows Management Instrumentation Console ( WMIC ) to download and install malicious payloads in the background. continues the researchers.

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Phishing Malware Encryption Network Security 80

eSecurity Planet

FEBRUARY 8, 2021

Don Duncan, security engineer at NuData Security, told eSecurity Planet by email that POS systems are often dangerously easy to penetrate with malware , including the following (among many others): Dexter was discovered by Seculert (now Radware) researchers in 2012. vSkimmer malware, a successor to Dexter, dates back to 2013.

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Retail Encryption Malware Artificial Intelligence 52

Security Affairs

JULY 25, 2019

As explained by Microsoft, this vulnerability could be exploited by malware with wormable capabilities, it could be exploited without user interaction, making it possible for malware to spread in an uncontrolled way into the target networks. Copyright (C) 2014-2015 Media.net Advertising FZ-LLC All Rights Reserved -->.

Cryptocurrency 65

Cryptocurrency Internet Internet Malware 65

Security Affairs

MARCH 26, 2019

Malware researchers at Cybaze-Yoroi ZLab team uncovered a new Ursnif malware campaign that reached several organizations across Italy. The Ursnif trojan confirms itself as one of the most active malware threats in cyberspace, even during the past days, when new attack attempts reached several organizations across Italy.

Malware 83

Malware Antivirus Advertising Encryption 83

Security Affairs

OCTOBER 12, 2019

The group that has been active since late 2015 targeted businesses worldwide to steal payment card information. The new loader is able to drop the malware directly in memory, it was dubbed BOOSTWRITE and allows threat actors to load several malicious codes, including the Carbanak backdoor. Pierluigi Paganini.

Identity Theft 73

Identity Theft Hacking Advertising DNS 73

Security Affairs

APRIL 27, 2020

Unlike other ransomware strains that don’t encrypt victims in Russia and other CIS countries, Shade also targets computers in Russia and Ukraine. We are also publishing our decryption soft; we also hope that, having the keys, antivirus companies will issue their own more user-friendly decryption tools.” Pierluigi Paganini.

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Ransomware Advertising Antivirus Education 115

Security Affairs

APRIL 16, 2019

Scranos is a powerful cross-platform rootkit-enabled spyware discovered while investigating malware posing as legitimate software like video players, drivers and even anti-virus products. Browsing History Stealer Payload — This payload collects Chrome’s browsing history and sends it to the C&C in an encrypted form.

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Spyware Adware Malware Accountability 66