Krebs on Security

MAY 28, 2020

The United Kingdom’s anti-cybercrime agency is running online ads aimed at young people who search the Web for services that enable computer crimes, specifically trojan horse programs and DDoS-for-hire services. law enforcement agents in connection with various cybercrime investigations. FLATTENING THE CURVE.

Cybercrime 295

Cybercrime DDOS Advertising Hacking 295

Krebs on Security

MAY 16, 2019

Law enforcement agencies in the United States and Europe today unsealed charges against 11 alleged members of the GozNym malware network, an international cybercriminal syndicate suspected of stealing $100 million from more than 41,000 victims with the help of a stealthy banking trojan by the same name. Source: DOJ. Vladimir Gorin , a.k.a

Cybercrime 232

Cybercrime Banking Small Business Computers and Electronics 232

Krebs on Security

OCTOBER 31, 2022

A 26-year-old Ukrainian man is awaiting extradition from The Netherlands to the United States on charges that he acted as a core developer for Raccoon , a popular “malware-as-a-service” offering that helped paying customers steal passwords and financial data from millions of cybercrime victims.

Malware 341

Malware Identity Theft Cybercrime Accountability 341

Security Affairs

MAY 13, 2025

He is internationally wanted for multiple cybercrime, including ransomware attacks, blackmail, and money laundering, targeting Dutch companies. “He is wanted internationally for committing several cybercrimes (ransomware attacks, blackmail, and money laundering) against companies based in the Netherlands.” million euros.”

Ransomware 107

Ransomware Cybercrime Malware Banking 107

Krebs on Security

JUNE 1, 2023

This post is a deep dive on “ Megatraffer ,” a veteran Russian hacker who has practically cornered the underground market for malware focused code-signing certificates since 2015. One of Megatraffer’s ads on an English-language cybercrime forum. WHO IS MEGATRAFFER?

Malware 314

Malware Cybercrime Software Accountability 314

Krebs on Security

JANUARY 27, 2021

and Bulgarian authorities this week seized the darkweb site used by the NetWalker ransomware cybercrime group to publish data stolen from its victims. “It picked up steam in mid-2020, growing the average ransom to $65,000 last year, up from $18,800 in 2019.” ” Image: Chainalysis.

Ransomware 349

Ransomware Cybercrime Antivirus Encryption 349

Security Affairs

DECEMBER 1, 2024

A study by the Massachusetts Institute of Technology (MIT) presented in 2019 revealed that deepfakes generated by AI could deceive humans up to 60% of the time. By automating the generation of malware variants, attackers can evade detection mechanisms employed by major anti-malware engines.

Artificial Intelligence 133

Artificial Intelligence Phishing Media Cybercrime 133

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.

Ransomware 314

Ransomware Cybercrime Accountability Malware 314

Krebs on Security

NOVEMBER 26, 2019

23, one of the cybercrime underground’s largest bazaars for buying and selling stolen payment card data announced the immediate availability of some four million freshly-hacked debit and credit cards. The other three restaurants are all part of the same parent company and disclosed breaches in August 2019. Image: Gemini Advisory.

Marketing 343

Marketing Cybercrime Retail Advertising 343

Krebs on Security

JUNE 16, 2021

First debuting in early 2019, CLOP is one of several ransomware groups that hack into organizations, launch ransomware that encrypts files and servers, and then demand an extortion payment in return for a digital key needed to unlock access. ?

Ransomware 361

Ransomware Cybercrime Malware Encryption 361

Security Affairs

NOVEMBER 20, 2021

The FBI collected millions of email addresses used by Emotet operators in their malware campaigns as part of the cleanup operation. Last week researchers from multiple cybersecurity firms ([Cryptolaemus], [GData], and [Advanced Intel]) reported that threat actors are using the TrickBot malware to drop an Emoted loader on infected devices.

Cybercrime 137

Cybercrime Ransomware Banking Malware 137

Krebs on Security

DECEMBER 8, 2021

According to cyber intelligence firm Intel 471 , that dark_cl0ud6@hotmail.com address has been used in conjunction with the handle “ DCReavers2 ” to register user accounts on a half-dozen English-language cybercrime forums since 2008, including Hackforums , Blackhatworld, and Ghostmarket. ” The U.S.

Cybercrime 338

Cybercrime Ransomware Accountability Advertising 338

Krebs on Security

JANUARY 24, 2023

Denis Emelyantsev , a 36-year-old Russian man accused of running a massive botnet called RSOCKS that stitched malware into millions of devices worldwide, pleaded guilty to two counts of computer crime violations in a California courtroom this week. Denis Kloster, as posted to his Vkontakte page in 2019.

Cybercrime 297

Cybercrime Advertising IoT Malware 297

Krebs on Security

OCTOBER 15, 2020

Q6Cyber CEO Eli Dominitz said the breach appears to extend from May 2019 through September 2020. Gemini says its data indicated some 156 Dickey’s locations across 30 states likely had payment systems compromised by card-stealing malware, with the highest exposure in California and Arizona.

Data breaches 361

Data breaches Cybercrime Retail Banking 361

Security Affairs

NOVEMBER 22, 2020

Two Romanians arrested for running three malware services. Two Romanians have been arrested for running two malware crypter services called CyberSeal and DataProtector, and the CyberScan malware testing service. DataProtector was launched in 2015, while CyberScan was launched in 2019. Pierluigi Paganini.

Malware 142

Malware Antivirus Cybercrime Software 142

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 48

Cybercrime Malware Antivirus Banking 48

Security Affairs

OCTOBER 27, 2024

They were convicted of illegal payment handling, with Puzyrevsky and Khansvyarov also found guilty of malware use and distribution. They were found guilty of illegal payment handling, while Puzyrevsky and Khansvyarov were also convicted of using and distributing malware. “On Friday, October 25, the St. in March 2022.

Ransomware 143

Ransomware Hacking Malware Cybercrime 143

Krebs on Security

MAY 4, 2021

Which means when a cybercrime forum gets hacked and its user databases posted online, it is often possible to work backwards from some of the more unique passwords for each account and see where else that password was used. As I described in a 2019 story about an interview Fly gave to a Russian publication upon his release from a U.S.

Passwords 341

Passwords Cybercrime Accountability Password Management 341

Krebs on Security

JANUARY 28, 2020

In late December 2019, fuel and convenience store chain Wawa Inc. The fraud bazaar Joker’s Stash on Monday began selling some 30 million stolen payment card accounts that experts say have been tied back to a breach at Wawa in 2019. Pennsylvania-based Wawa says it discovered the intrusion on Dec.

Banking 331

Banking Retail Malware Accountability 331

Security Affairs

APRIL 30, 2025

PRODAFT researchers warn of Russia-linked APT group Nebulous Mantis targeting NATO-related defense organizations Nebulous Mantis, a Russian-speaking cyber espionage group (aka Cuba, STORM-0978 , Tropical Scorpius , UNC2596 ), used RomCom RAT and Hancitor since 2019 to target critical infrastructure, governments, and NATO-linked entities.

Encryption 101

Encryption Ransomware Malware Phishing 101

Security Affairs

JUNE 24, 2024

The cybercrime group ExCobalt targeted Russian organizations in multiple sectors with a previously unknown backdoor known as GoRed. Positive Technologies researchers reported that a cybercrime gang called ExCobalt targeted Russian organizations in multiple sectors with a previously unknown Golang-based backdoor known as GoRed.

Cybercrime 118

Cybercrime Telecommunications DNS Technology 118

SecureList

OCTOBER 20, 2021

Having been in the field for so long, we have witnessed some major changes in the cybercrime world’s modus operandi. This report shares our insights into the Russian-speaking cybercrime world and the changes in how it operates that have happened in the past five years. Malware developers — no longer hiring.

Cybercrime 145

Cybercrime Banking Malware Ransomware 145

Krebs on Security

SEPTEMBER 9, 2019

Secret Service is investigating a breach at a Virginia-based government technology contractor that saw access to several of its systems put up for sale in the cybercrime underground, KrebsOnSecurity has learned. In mid-August, a member of a popular Russian-language cybercrime forum offered to sell access to the internal network of a U.S.

Cybercrime 277

Cybercrime Government Data collection Internet 277

Krebs on Security

JULY 8, 2019

The crooks behind an affiliate program that paid cybercriminals to install the destructive and wildly successful GandCrab ransomware strain announced on May 31, 2019 they were terminating the program after allegedly having earned more than $2 billion in extortion payouts from victims. in , where the group recruited many of its distributors.

Ransomware 279

Ransomware Accountability Cybercrime Passwords 279

Krebs on Security

FEBRUARY 8, 2021

. “According to the analysis of foreign law enforcement agencies, more than 50% of all phishing attacks in 2019 in Australia were carried out thanks to the development of the Ternopil hacker,” the attorney general’s office said, noting that investigators had identified hundreds of U-Admin customers. ” U-Admin, a.k.a.

Phishing 341

Phishing Scams Banking Mobile 341

Security Affairs

OCTOBER 28, 2021

AbstractEmu is a new Android malware that can root infected devices to take complete control and evade detection with different tricks. Security researchers at the Lookout Threat Labs have discovered a new Android malware, dubbed AbstractEmu , with rooting capabilities that is distributed on Google Play and prominent third-party stores (i.e.

Malware 118

Malware Cybercrime Mobile Banking 118

Security Affairs

FEBRUARY 10, 2025

The cybercrime group XE Group exploited a VeraCore zero-day to deploy reverse shells, web shells in recent attacks. The group was also observed exploiting vulnerabilities in Telerik UI such as CVE-2017-9248 and CVE-2019-18935. ” reads the analysis published by Intezer.

Manufacturing 110

Manufacturing Cybercrime Authentication Passwords 110

Krebs on Security

SEPTEMBER 24, 2022

” A copy of the passport for Denis Kloster, as posted to his Vkontakte page in 2019. ” Launched in 2013, RSOCKS was shut down in June 2022 as part of an international investigation into the cybercrime service. ” Kloster’s blog even included a group photo of RSOCKS employees.

Cybercrime 264

Cybercrime Data breaches Malware Ransomware 264

Herjavec Group

AUGUST 26, 2021

We can learn a lot from the cybercrime of the past…the history of cybercrime is a glimpse into what we can expect in the future. In the past 18 months, we’ve experienced the beginning of an era that has seen cybersecurity and cybercrime at the center of it all. Dateline Cybercrime . Robert Herjavec.

Cybercrime 135

Cybercrime Computers and Electronics Banking Hacking 135

Security Affairs

DECEMBER 20, 2024

The US Department of Justice sentenced the Ukrainian national Mark Sokolovsky (28) for his role in the distribution of the Raccoon Infostealer malware. The man was held in the Netherlands, and he was charged for his alleged role in the international cybercrime operation known as Raccoon Infostealer. in restitution.”

Cryptocurrency 63

Cryptocurrency Identity Theft Cybercrime Malware 63

Krebs on Security

JUNE 22, 2022

.” The DOJ’s statement doesn’t mention that RSOCKS has been in operation since 2014, when access to the web store for the botnet was first advertised on multiple Russian-language cybercrime forums. A copy of the passport for Denis Kloster, as posted to his Vkontakte page in 2019. info , allproxy[.]info

Advertising 320

Advertising Cybercrime System Administration Hacking 320

Krebs on Security

MARCH 29, 2019

21, 2019, KrebsOnSecurity contacted Italian restaurant chain Buca di Beppo after discovering strong evidence that two million credit and debit card numbers belonging to the company’s customers were being sold in the cybercrime underground. In a statement posted to its Web site today, Orlando, Fla.

Data breaches 271

Data breaches Banking Retail Accountability 271

Security Affairs

FEBRUARY 17, 2024

Ukrainian national Vyacheslav Igorevich Penchukov has pleaded guilty to his key roles in the Zeus and IcedID malware operations. Vyacheslav Igorevich Penchukov was a leader of two prolific malware groups that infected thousands of computers with malicious software. Since May 2019, Penchukov had a prominent role in the Zeus operation.

Malware 130

Malware Cybercrime Banking Hacking 130

Security Affairs

AUGUST 28, 2020

A new variant of the infamous Lemon_Duck cryptomining malware has been updated to targets Linux devices. Security researchers from Sophos have spotted a new variant of the Lemon_Duck cryptomining malware that has been updated to compromise Linux machines via SSH brute force attacks. ” reads the post published by Sophos.

Malware 145

Malware Authentication Passwords Internet 145

Security Affairs

DECEMBER 13, 2021

The TinyNuke malware is back and now was used in attacks aimed at French users working in manufacturing, technology, construction, and business services. Proofpoint researchers uncovered a campaign exclusively targeting French entities and organizations with operations in France with the banking malware TinyNuke. Pierluigi Paganini.

Banking 124

Banking Malware Manufacturing Business Services 124

Krebs on Security

JUNE 30, 2020

The economic laws of supply and demand hold just as true in the business world as they do in the cybercrime space. “This is likely due to the fact that most of the sold data is still coming from breaches that occurred in 2019 and early 2020.”

Banking 347

Banking Retail Hacking Cybercrime 347

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. In 2019, The Manipulaters failed to renew their core domain name — manipulaters[.]com ” A number of questions, indeed.

Phishing 299

Phishing Cybercrime Malware Advertising 299