Security Affairs

MAY 9, 2023

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. The binary is deployed using a specific flag that allows its execution, while the ZIP archive is removed.

Ransomware 73

Ransomware VPN Antivirus Encryption 73

Security Affairs

SEPTEMBER 7, 2020

A recently discovered cybercrime gang, tracked as Epic Manchego , is using a new technique to create weaponized Excel files that are able to bypass security checks. Some antivirus solutions specifically analyze this section look for malicious VBA code in the Excel docs. ” reads the analysis published by NVISO.

Cybercrime 92

Cybercrime Phishing Advertising Antivirus 92

eSecurity Planet

DECEMBER 3, 2021

Here are the top Twitter accounts to follow for the latest commentary, research, and much-needed humor in the ever-evolving information security space. Brian Krebs is an independent investigative reporter known for his coverage of technology, malware , data breaches , and cybercrime developments. Dave Kennedy | @hackingdave.

Accountability 139

Accountability Cybersecurity Penetration Testing InfoSec 139

Security Affairs

APRIL 13, 2022

“ZLoader has remained relevant as attackers’ tool of choice by including defense evasion capabilities, like disabling security and antivirus tools, and selling access-as-a-service to other affiliate groups, such as ransomware operators.” ” reads a post published by Microsoft. To nominate, please visit:?

Banking 110

Banking Malware Telecommunications Antivirus 110

Security Affairs

MAY 19, 2023

The Lemon Group cybercrime ring has reportedly pre-installed malware known as Guerilla on almost 9 million Android devices. A cybercrime group tracked has Lemon Group has reportedly pre-installed malware known as Guerilla on almost 9 million Android devices. Please nominate Security Affairs as your favorite blog.

Mobile 85

Mobile Advertising Malware Cybercrime 85

Security Affairs

JUNE 9, 2022

“Network telemetry can be used to detect anomalous DNS requests, and security tools such as antivirus and endpoint detection and response (EDR) should be statically linked to ensure they are not “infected” by userland rootkits.” Since the malware operates as a userland level rootkit, detecting an infection may be difficult.”

Malware 144

Malware DNS Antivirus Passwords 144

Security Affairs

APRIL 29, 2023

ViperSoftX also checks for active antivirus products running on the machine. One of the key steps performed by the malware before downloading a first-stage PowerShell loader is a series of anti-virtual machine, anti-monitoring, and anti-malware checks. If all checks pass, the loader decrypts and executes a second-stage PowerShell script.

Encryption 85

Encryption Malware Cryptocurrency Software 85

Security Affairs

MAY 4, 2023

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.” reads the alert. Royal operators have demanded ransom ranging from approximately $1 million to $11 million USD worth of Bitcoin.

Ransomware 91

Ransomware Healthcare Education Encryption 91

Security Affairs

APRIL 14, 2023

antivirus products), deleting shadow copies, and finally encrypting the files on the targeted systems. The bleeds of the new software will be made for some time by several of our experienced negotiators. We apologize for the inconvenience!” reads the screenshot. ” continues the report.

Encryption 66

Encryption Antivirus Malware Education 66

Security Affairs

JUNE 20, 2022

The first campaigns of malware were distributed through fake antivirus or other common apps, while during the campaigns the malware is taking the turn of an APT attack against the customer of a specific Italian bank.” Please vote for Security Affairs and Pierluigi Paganini in every category that includes them (e.g.

Malware 93

Malware Banking Antivirus Phishing 93

Security Boulevard

MARCH 31, 2021

roundup of UK focused Cyber and Information Security News, Blog Posts, Reports and general Threat Intelligence from the previous calendar month, March 2021. Also, see the blog post - The Ransomware Group Tactics which Maximise their Profitability. Stay safe and secure. Cybercrime to cost over $10 Trillion by 2025.

Energy and Utilities 122

Energy and Utilities Ransomware Banking Hacking 122

Security Affairs

DECEMBER 1, 2020

New blog: The threat actor BISMUTH, which has been running increasingly complex targeted attacks, deployed coin miners in campaigns from July to August 2020. Learn how the group tried to stay under the radar using threats perceived to be less alarming: [link] — Microsoft Security Intelligence (@MsftSecIntel) November 30, 2020.

Cryptocurrency 92

Cryptocurrency Antivirus Manufacturing Government 92

Security Affairs

MARCH 24, 2020

. “As many IT-security researchers, I’m heavily using public available information (OSINT) for hunting down new cyber threats. However, I often get confronted with a simple but severe problem: malware samples referenced in blog posts, whitepaper or mentioned on social media like Twitter are usually not easily available.”

Malware 51

Malware Adware Cyber threats Advertising 51

Security Affairs

AUGUST 28, 2019

Earlier this year, malware researchers from Avast antivirus firm discovered a design flaw in the C&C protocol of the botnet that could have been exploited to remove the malware from infected computers. ” reads a blog post published by Avast. The server instructed the bot to remove itself from infected machines.

Malware 82

Malware Advertising Antivirus Cryptocurrency 82

SecureList

MAY 11, 2023

A few months after last year’s blog post came out, we stumbled across a new multi-platform ransomware family, which targeted both Linux and Windows. Trend 2: Driver abuse Abusing a vulnerable driver for malicious purposes may be an old trick in the book, but it still works well, especially on antivirus (AV) drivers.

Ransomware 121

Ransomware Malware Architecture Telecommunications 121

Security Affairs

MARCH 14, 2022

At this moment, the infection chain is able to bypass the antivirus detection, with the latter EXE ( WpfApp14.exe About the author Pedro Tavares : Pedro Tavares is a professional in the field of information security working as an Ethical Hacker, Malware Analyst and also a Security Evangelist.

Banking 85

Banking Encryption Malware Phishing 85

Security Affairs

APRIL 10, 2019

That file was delivered via malscam campaigns around the world and its source-code is obfuscated in order to evade antivirus detection and complicate its analysis. When the malware is executed without any restrictions, i.e., upon a non-virtualized environment, some information from the victim’s computer is send to C2 server.

Banking 58

Banking Malware Antivirus Cyber threats 58

Security Affairs

MAY 29, 2019

Analyzing it in depth, we discover it actually is the RMS (Remote Manipulator System) client by TektonIT , encrypted using the MPress PE compressor utility, a legitimate tool, to avoid antivirus detection. Information about MPress packer used in “winserv.exe” payload. Pierluigi Paganini. SecurityAffairs – TA505, hacking).

Retail 65

Retail Banking Advertising Encryption 65

Security Affairs

JULY 23, 2019

Technical details, including IoCs and Yara Rules, are available in the analysis published in the Yoroi blog. Its content is minimal and quickly redirect the execution to a small batch file, “installer.bat” contained in the same folder. Then it runs installer.bat (the filename) with the parameter “ 0? tmp”, later renamed as “007.bat”.

Malware 71

Malware Advertising Antivirus Architecture 71