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. “web shells”) that various cybercrime groups worldwide have been using to commandeer any unpatched Exchange servers.

Hacking 357

Hacking Cybercrime DNS Antivirus 357

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. EDR can detect an intruder's suspicious activity in advance of them running ransomware, as well as being able to identify the ransomware itself.

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Antivirus Insurance Ransomware Healthcare 136

Adam Levin

NOVEMBER 6, 2020

In a joint cybersecurity advisory with the Cybersecurity and Infrastructure Agency (CISA) and the Department of Health and Human Services (HHS), the FBI warned of an “increased and imminent cybercrime threat to U.S. Maintaining and updating antivirus software. hospitals and healthcare providers.”. Using multi factor authentication.

Healthcare 175

Healthcare Antivirus Backups Cybercrime 175

Security Affairs

SEPTEMBER 13, 2024

Researchers uncovered an Android malware, dubbed Vo1d, that has already infected nearly 1.3 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. million Android devices in 197 countries.

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Malware Firmware Antivirus Manufacturing 143

Heimadal Security

AUGUST 18, 2023

As the cybercrime landscape evolves, you may wonder if the old Antivirus solution that you have installed on your organization’s endpoints still does the job. Traditional antivirus software initially offered sufficient defense against the majority of viruses before they evolved into other types of malware.

Antivirus 85

Antivirus Cybercrime Malware Software 85

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. was used by a Russian-speaking member called Pin on the English-language cybercrime forum Opensc. Image: treasury.gov.

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Ransomware Cybercrime Accountability Malware 277

Krebs on Security

OCTOBER 1, 2019

A Slovenian man convicted of authoring the destructive and once-prolific Mariposa botnet and running the infamous Darkode cybercrime forum has been arrested in Germany on request from prosecutors in the United States, who’ve recently re-indicted him on related charges. issued international arrest warrant for his extradition.

Cybercrime 42

Cybercrime Malware Antivirus Banking 42

Security Boulevard

FEBRUARY 23, 2023

Basic solutions like antivirus deployments are certainly still important, but they are reactionary measures. Thankfully, nearly all malware depends on DNS at some point in their kill chain, making the protocol a critical vector for shutting down these threats. In this new environment, the bare minimum is no longer good enough.

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Antivirus DNS Threat Detection Small Business 98

Security Affairs

AUGUST 27, 2022

Threat actors abused a vulnerable anti-cheat driver for the Genshin Impact video game to disable antivirus software. sys, for the Genshin Impact video game to disable antivirus software. According to Trend Micro, a cybercrime gang abused the driver to deploy ransomware. sys can be integrated into any malware.”

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Antivirus Ransomware Malware Cybercrime 98

Security Affairs

JUNE 17, 2021

UNC2465 cybercrime group that is affiliated with the Darkside ransomware gang has infected with malware the website of a CCTV camera vendor. The post UNC2465 cybercrime group launched a supply chain attack on CCTV vendor appeared first on Security Affairs. ” concludes the report. Pierluigi Paganini.

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Cybercrime Ransomware Software Antivirus 118

Security Affairs

SEPTEMBER 22, 2018

The Latvian expert Ruslans Bondars (37), who developed and run the counter antivirus service Scan4You has been sentenced to 14 years in prison. Scan4you is a VirusTotal like online multi-engine antivirus scanning service that could be used by vxers to test evasion abilities of their malware against the major antiviruses.

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Malware Antivirus Retail Advertising 111

Security Affairs

OCTOBER 15, 2019

Chinese-speaking cybercrime gang Rocke that carried out several large-scale cryptomining campaigns, has now using news tactics to evade detection. Chinese-speaking cybercrime gang Rocke, that carried out several large-scale cryptomining campaigns in past , has now using news tactics to evade detection. Pierluigi Paganini.

Cybercrime 96

Cybercrime DNS Malware Advertising 96

Security Affairs

NOVEMBER 3, 2022

It focused on deploying POS malware and launching targeted spear-phishing attacks against organizations worldwide. The DisableAntiSpyware parameter allows disabling the Windows Defender Antivirus in order to deploy another security solution. ” Follow me on Twitter: @securityaffairs and Facebook. Pierluigi Paganini.

Cybercrime 116

Cybercrime Ransomware Antivirus Malware 116

Dark Reading

JULY 21, 2022

The cyber campaign, aimed at siphoning funds, uses an improved version of the malware, which can adjust infection paths based on recognized antivirus software.

Marketing 104

Marketing Cybercrime Antivirus Malware 104

Security Affairs

JUNE 9, 2022

Researchers uncovered a high stealth Linux malware, dubbed Symbiote, that could be used to backdoor infected systems. Once the malware has infected all the running processes, it provides the threat actor with rootkit capability and supports data-stealing capabilities. “Symbiote is a malware that is highly evasive.

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Malware DNS Antivirus Passwords 145

Krebs on Security

JULY 8, 2019

But GandCrab far eclipsed the success of competing ransomware affiliate programs largely because its authors worked assiduously to update the malware so that it could evade antivirus and other security defenses. It remains unclear how many individuals were active in the core GandCrab malware development team. of GandCrab.

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Ransomware Accountability Cybercrime Passwords 264

Krebs on Security

FEBRUARY 9, 2023

Authorities in the United States and United Kingdom today levied financial sanctions against seven men accused of operating “ Trickbot ,” a cybercrime-as-a-service platform based in Russia that has enabled countless ransomware attacks and bank account takeovers since its debut in 2016. companies and government entities.

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Hacking Cybercrime Ransomware Government 208

Krebs on Security

APRIL 3, 2024

Roughly nine years ago, KrebsOnSecurity profiled a Pakistan-based cybercrime group called “ The Manipulaters ,” a sprawling web hosting network of phishing and spam delivery platforms. ” A number of questions, indeed. ” A number of questions, indeed.

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Phishing Cybercrime Malware Advertising 260

Security Affairs

JUNE 20, 2022

The developers behind the BRATA Android malware have implemented additional features to avoid detection. The operators behind the BRATA Android malware have implemented more features to make their attacks stealthy. “TAs are modifying their code in order to tailor their malware on specific banking institutions.

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Malware Banking Antivirus Phishing 138

SecureList

JUNE 26, 2023

We then ran these software names against Kaspersky Security Network (KSN)* telemetry to find out how much malware and unwanted software was distributed under the guise of these applications. They can run other malware on the system, elevate the attackers’ privileges, cause the target application to crash and so on.

Cybercrime 128

Cybercrime Phishing Banking Malware 128

Security Affairs

MAY 6, 2022

Researchers discovered a sophisticated malware framework, dubbed NetDooka, distributed via a pay-per-install (PPI) malware service known as PrivateLoader. The PrivateLoader malware is a downloader used by threat actors for downloading and installing multiple malware. ” reads a report published by Trend Micro.

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Malware Antivirus DDOS Hacking 111

The Last Watchdog

SEPTEMBER 18, 2024

18, 2024, CyberNewsWire — SpyCloud , the leader in Cybercrime Analytics, today announced new cybersecurity research highlighting the growing and alarming threat of infostealers – a type of malware designed to exfiltrate digital identity data, login credentials, and session cookies from infected devices. Austin, TX, Sept.

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Ransomware Malware Cybercrime Authentication 113

Security Affairs

SEPTEMBER 22, 2020

US Cybersecurity and Infrastructure Security Agency (CISA) is warning of a notable increase in the use of LokiBot malware by threat actors since July 2020. The Agency’s EINSTEIN Intrusion Detection System has detected persistent malicious activity associated with the LokiBot malware. ” reads the CISA’s advisory. .”

Malware 111

Malware Passwords Advertising Antivirus 111

SiteLock

AUGUST 27, 2021

Malware has infected roughly a third of the world’s computers , costing companies across the globe trillions of dollars each year. Unfortunately, this rise in cybercrime shows no signs of slowing down. But first we’ll answer a basic question: What is malware? A Brief History of Malware.

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Malware Small Business Computers and Electronics Adware 98

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.

Healthcare 306

Healthcare Ransomware Antivirus Hacking 306

Security Affairs

DECEMBER 18, 2023

Info stealers, the type of malware with its purpose in the name, can cripple businesses and everyday users alike. Info stealers, also known as information stealers, are a type of malicious software (malware) designed to covertly collect sensitive and personal information from a victim’s computer or network.

Banking 139

Banking Cybercrime Malware Accountability 139

SiteLock

AUGUST 27, 2021

Perhaps the single biggest and most dangerous change in threats came in the world of malware delivery. For years, hackers and malware authors had used the same ways to deliver and spread their malware. So hackers had to choose a new way to deliver and spread malware. Email and spam were by far the most popular.

Cybercrime 87

Cybercrime Small Business Antivirus Malware 87

Security Affairs

APRIL 9, 2020

Group-IB’s CERT-GIB analyzed hundreds of coronavirus -related phishing emails and discovered top malware strains in COVID-19 campaigns. Spyware turned out to be the most common malware class hiding in fraudulent COVID-19 emails, with AgentTesla topping the list of phishers’ favorite strains. SecurityAffairs – malware, Coronavirus).

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Phishing Malware Spyware DDOS 144

Krebs on Security

NOVEMBER 14, 2024

That investigation detailed how the 38-year-old Shefel adopted the nickname Rescator while working as vice president of payments at ChronoPay , a Russian financial company that paid spammers to advertise fake antivirus scams, male enhancement drugs and knockoff pharmaceuticals. “I’m also godfather of his second son.”

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Retail Advertising Cryptocurrency Marketing 235

Security Affairs

AUGUST 21, 2022

A new Grandoreiro banking malware campaign is targeting organizations in Mexico and Spain, Zscaler reported. Zscaler ThreatLabz researchers observed a Grandoreiro banking malware campaign targeting organizations in the Spanish-speaking nations of Mexico and Spain. ” reads the post published by Zscaler. Pierluigi Paganini.

Banking 114

Banking Malware Antivirus Phishing 114

Krebs on Security

MARCH 2, 2022

– Testers: Workers in charge of testing Conti malware against security tools and obfuscating it. In July 2021, Mango told Stern that the group was placing ads on several Russian-language cybercrime forums to hire more workers. However, Conti’s employee roster appears to have fluctuated wildly from one month to the next.

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Ransomware Antivirus Malware Cybercrime 211

Krebs on Security

DECEMBER 29, 2022

Here’s a look at some of the more notable cybercrime stories from the past year, as covered by KrebsOnSecurity and elsewhere. This bold about-face dumbfounded many longtime Norton users because antivirus firms had spent years broadly classifying all cryptomining programs as malware.

Cryptocurrency 270

Cryptocurrency Cybercrime Computers and Electronics Scams 270

Security Affairs

OCTOBER 20, 2024

CISA adds Microsoft Windows Kernel, Mozilla Firefox and SolarWinds Web Help Desk bugs to its Known Exploited Vulnerabilities catalog GitHub addressed a critical vulnerability in Enterprise Server A new Linux variant of FASTCash malware targets financial systems WordPress Jetpack plugin critical flaw impacts 27 million sites Pokemon dev Game Freak discloses (..)

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Data breaches Cybercrime Cyber Insurance Marketing 126

SecureWorld News

MARCH 29, 2024

Malvertising acts as a vessel for malware propagation. Scammers and malware operators are increasingly adept at mimicking popular brands in their ad snippets, which makes it problematic for the average user to tell the wheat from the chaff. A stepping stone to impactful cybercrime This tactic has tangible real-world implications.

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Cybercrime Advertising Engineering Antivirus 88

SecureWorld News

JUNE 16, 2021

When it comes to hacking and cybercrime, sometimes all the focus is on the one who launches the attack. DOJ prosecutors say Oleg Koshkin, a 41-year-old Russian national, operated a crypting service used to conceal Kelihos malware from antivirus software. One of those threat actors was just convicted in a United States courtroom.

Antivirus 56

Antivirus Malware Software Ransomware 56

SiteLock

AUGUST 27, 2021

As cybercrime grows and evolves, malware remains a constant weapon in a cybercriminal’s armory. Malware, short for malicious software, is created with the intent of causing harm to a website or computer. In many cases, victims of malware may not realize they’ve been attacked until it’s too late.

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Malware Backups Cybercrime Antivirus 98

Security Affairs

APRIL 25, 2022

The BlackCat/ALPHV a Ransomware was first discovered in December by malware researchers from Recorded Future and MalwareHunterTeam. The malware is the first professional ransomware strain that was written in the Rust programming language. Review antivirus logs for indications they were unexpectedly turned off.

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Ransomware Antivirus Passwords Malware 140