Android malware, Android malware and more Android malware

Introduction Malware for mobile devices is something we come across very often. In 2023, our technologies blocked 33.8 million malware, adware, and riskware attacks on mobile devices. One of 2023s most resonant attacks was Operation Triangulation, targeting iOS, but that was rather a unique case...

Crimeware and financial cyberthreats in 2024

At Kaspersky, we constantly monitor the financial cyberthreat landscape, which includes threats to financial institutions, such as banks, and financially motivated threats, such as ransomware, that target a broader range of industries. As part of our Kaspersky Security Bulletin, we try to predict...

Following the Lazarus group by tracking DeathNote campaign

The Lazarus group is a high-profile Korean-speaking threat actor with multiple sub-campaigns. We have previously published information about the connections of each cluster of this group. In this blog, well focus on an active cluster that we dubbed DeathNote because the malware responsible for...

Main phishing and scamming trends and techniques

There are two main types of online fraud aimed at stealing user data and money: phishing and scams. Phishers primarily seek to extract confidential information from victims, such as credentials or bank card details, while scammers deploy social engineering to persuade targets to transfer money on...

Indicators of compromise (IOCs): how we collect and use them

It would hardly be an exaggeration to say that the phrase "indicators of compromise" or IOCs can be found in every report published on the Securelist. Usually after the phrase there are MD5 hashes1, IP addresses and other technical data that should help information security specialists to counter...

WinDealer dealing on the side

Introduction LuoYu is a lesser-known threat actor that has been active since 2008. It primarily goes after targets located in China, such as foreign diplomatic organizations established in the country, members of the academic community, or companies from the defense, logistics and...

ISaPWN – research on the security of ISaGRAF Runtime

In early 2020, we notified the Rockwell Automation Product Security Incident Response Team RA PSIRT of several vulnerabilities we had identified in the ISaGRAF Runtime execution environment. According to public sources of information, ISaGRAF Runtime is used as an automation framework in multiple...

Threats to ICS and industrial enterprises in 2022

Continuing trends In recent years, we have observed various trends in the changing threat landscape for industrial enterprises, most of which have been evolving for some time. We can say with high confidence that many of these trends will not only continue, but gain new traction in the coming yea...

SAS 2021: Operation Software Concepts

During the Operation Software Concepts: A Beautiful Envelope for Wrapping Weapon talk on SAS-at-Home 2021, Rintaro Koike, Shogo Hayashi and Ryuichi Tanabe from NTT Security Japan will cover a new APT campaign named Operation Software Concepts. They will share details about this multi-stage attack...

Cybercriminals vs financial institutions in 2018: what to expect

Introduction – key events in 2017 2017 was a year of great changes in the world of cyberthreats facing financial organizations. Firstly, in 2017 we witnessed a continuation of cyberattacks targeting systems running SWIFT — a fundamental part of the world's financial ecosystem. Attackers were able...

Kaspersky Security Bulletin: Review of the Year 2017

Introduction The end of the year is a good time to take stock of the main cyberthreat incidents that took place over the preceding 12 months or so. To reflect on the impact these events had on organizations and individuals, and consider what they could mean for the overall evolution of the threat...

KSN Report: Ransomware in 2016-2017

This report has been prepared using depersonalized data processed by Kaspersky Security Network KSN. The metrics are based on the number of distinct users of Kaspersky Lab products with the KSN feature enabled, who encountered ransomware at least once in a given period, as well as research into t...

The SOC Files: Time to “Sapecar”. Unpacking a new Horabot campaign in Mexico

Introduction In this installment of our SOC Files series, we will walk you through a targeted campaign that our MDR team identified and hunted down a few months ago. It involves a threat known as Horabot , a bundle consisting of an infamous banking Trojan, an email spreader, and a notably complex...

The SOC files: Rumble in the jungle or APT41’s new target in Africa

Introduction Some time ago, Kaspersky MDR analysts detected a targeted attack against government IT services in the African region. The attackers used hardcoded names of internal services, IP addresses, and proxy servers embedded within their malware. One of the C2s was a captive SharePoint serve...

Sleep with one eye open: how Librarian Ghouls steal data by night

Introduction Librarian Ghouls, also known as "Rare Werewolf" and "Rezet", is an APT group that targets entities in Russia and the CIS. Other security vendors are also monitoring this APT and releasing analyses of its campaigns. The group has remained active through May 2025, consistently targetin...

Arcane stealer: We want all your data

At the end of 2024, we discovered a new stealer distributed via YouTube videos promoting game cheats. What's intriguing about this malware is how much it collects. It grabs account information from VPN and gaming clients, and all kinds of network utilities like ngrok, Playit, Cyberduck, FileZilla...

Head Mare and Twelve join forces to attack Russian entities

Introduction In September 2024, a series of attacks targeted Russian companies, revealing indicators of compromise and tactics associated with two hacktivist groups: Head Mare and Twelve. Our investigation showed that Head Mare relied heavily on tools previously associated with Twelve...

Attackers exploiting a patched FortiClient EMS vulnerability in the wild

Introduction During a recent incident response, Kaspersky's GERT team identified a set of TTPs and indicators linked to an attacker that infiltrated a company's networks by targeting a Fortinet vulnerability for which a patch was already available. This vulnerability is an improper filtering of S...

Analysis of user password strength

The processing power of computers keeps growing, helping users to solve increasingly complex problems faster. A side effect is that passwords that were impossible to guess just a few years ago can be cracked by hackers within mere seconds in 2024. For example, the RTX 4090 GPU is capable of...

Cinterion EHS5 3G UMTS/HSPA Module Research

Modems play an important role in enabling connectivity for a wide range of devices. This includes not only traditional mobile devices and household appliances, but also telecommunication systems in vehicles, ATMs and Automated Process Control Systems APCS. When integrating the modem, many product...

How to catch a wild triangle

In the beginning of 2023, thanks to our Kaspersky Unified Monitoring and Analysis Platform KUMA SIEM system, we noticed suspicious network activity that turned out to be an ongoing attack targeting the iPhones and iPads of our colleagues. The moment we understood that there was a clear pattern in...

Ransomware and wiper signed with stolen certificates

Introduction On July 17, 2022, Albanian news outlets reported a massive cyberattack that affected Albanian government e-services. A few weeks later, it was revealed that the cyberattacks were part of a coordinated effort likely intended to cripple the countrys computer systems. On September 10,...

Luna and Black Basta — new ransomware for Windows, Linux and ESXi

Introduction In our crimeware reporting service, we analyze the latest crime-related trends we come across. If we look back at what we covered last month, we will see that ransomware surprise, surprise! definitely stands out. In this blog post, we provide several excerpts from last months reports...

DDoS attacks in Q1 2022

News overview The DDoS landscape in Q1 2022 was shaped by the ongoing conflict between Russia and Ukraine: a significant part of all DDoS-related news concerned these countries. In mid-January, the website of Kyiv Mayor Vitali Klitschko was hit by a DDoS attack, and the websites of a number of...

Web skimming with Google Analytics

Web skimming is a common class of attacks generally aimed at online shoppers. The principle is quite simple: malicious code is injected into the compromised site, which collects and sends user-entered data to a cybercriminal resource. If the attack is successful, the cybercriminals gain access to...

Trojan watch

We continue to research how proliferation of IoT devices affects the daily lives of users and their information security. In our previous study, we touched upon ways of intercepting authentication data using single-board microcomputers. This time, we turned out attention to wearable devices:...

Spam and phishing in Q1 2018

Quarterly highlights Data leaks Early 2018 will be remembered for a series of data leak scandals. The most high-profile saw Facebook CEO Mark Zuckerberg grilled by US Congress, with many public figures supporting the Delete Facebook campaign. As a result, Zuckerberg promised to get tough and make...

Dozens of malicious wallpapers found on Steam Workshop: gamers’ accounts at risk

Since late 2025, malware has been spreading rapidly through the Steam Workshop, the gaming platform's built-in service for players to create and share custom content. The attackers are primarily targeting gamers in China and Russia, aiming to hijack their accounts. To pull this off, they are...

Story of the Year: global IT outages and supply chain attacks

A faulty update by cybersecurity firm CrowdStrike triggered one of the largest IT outages in history, impacting approximately 8.5 million systems worldwide. This incident serves as a stark reminder of the critical risks posed by global IT disruptions and supply chain weaknesses. With large-scale...

IT threat evolution in Q2 2024. Non-mobile statistics

The statistics presented here are based on detection verdicts by Kaspersky products and services received from users who consented to providing statistical data. Quarterly figures In Q2 2024: Kaspersky solutions blocked over 664 million attacks from various internet sources. The web antivirus...

Using the LockBit builder to generate targeted ransomware

The previous Kaspersky research focused on a detailed analysis of the LockBit 3.0 builder leaked in 2022. Since then, attackers have been able to generate customized versions of the threat according to their needs. This opens up numerous possibilities for malicious actors to make their attacks mo...

FakeSG campaign, Akira ransomware and AMOS macOS stealer

Introduction The crimeware landscape is diverse. Cybercriminals try to capitalize on their victims in every possible way by distributing various types of malware designed for different platforms. In recent months, we have written private reports on a wide range of topics, such as new cross-platfo...

Understanding Malware-as-a-Service

Money is the root of all evil, including cybercrime. Thus, it was inevitable that malware creators would one day begin not only to distribute malicious programs themselves, but also to sell them to less technically proficient attackers, thereby lowering the threshold for entering the cybercrimina...

Sneaky DoubleFinger loads GreetingGhoul targeting your cryptocurrency

Introduction Stealing cryptocurrencies is nothing new. For example, the Mt. Gox exchange was robbed of many bitcoins back in the beginning of 2010s. Attackers such as those behind the Coinvault ransomware were after your Bitcoin wallets, too. Since then, stealing cryptocurrencies has continued to...

Satacom delivers browser extension that steals cryptocurrency

Satacom downloader, also known as LegionLoader, is a renowned malware family that emerged in 2019. It is known to use the technique of querying DNS servers to obtain the base64-encoded URL in order to receive the next stage of another malware family currently distributed by Satacom. The Satacom...

APT10: Tracking down LODEINFO 2022, part I

Kaspersky has been tracking activities involving the LODEINFO malware family since 2019, looking for new modifications and thoroughly investigating any attacks utilizing those new variants. LODEINFO is sophisticated fileless malware first named in a blogpost from JPCERT/CC in February 2020. The...

A look at the 2020–2022 ATM/PoS malware landscape

During the pandemic, lockdowns forced people to stay at home and do their shopping online, which was mirrored in point-of-sale PoS and ATM malware activity, as certain regions saw malicious transactions drop significantly. Now, as we predicted in last years forecast, many are returning to their...

PseudoManuscrypt: a mass-scale spyware attack campaign

In June 2021, Kaspersky ICS CERT experts identified malware whose loader has some similarities to the Manuscrypt malware, which is part of the Lazarus APT groups arsenal. In 2020, the group used Manuscrypt in attacks on defense enterprises in different countries. These attacks are described in th...

ScarCruft surveilling North Korean defectors and human rights activists

The ScarCruft group also known as APT37 or Temp.Reaper is a nation-state sponsored APT actor we first reported in 2016. ScarCruft is known to target North Korean defectors, journalists who cover North Korea-related news and government organizations related to the Korean Peninsula, between others...

Advanced threat predictions for 2022

Over the past 12 months, the style and severity of APT threats has continued to evolve. Despite their constantly changing nature, there is a lot we can learn from recent APT trends to predict what might lie ahead in the coming year. Based on the collective knowledge and insights of our experts, w...

Detecting unknown threats: a honeypot how-to

Catching threats is tricky business, especially in todays threat landscape. To tackle this problem, for many years сybersecurity researchers have been using honeypots – a well-known deception technique in the industry. Dan Demeter, Senior Security Researcher with Kasperskys Global Research and...

Microcin is here

In February 2020, we observed a Trojan injected into the system process memory on a particular host. The target turned out to be a diplomatic entity. What initially attracted our attention was the enterprise-grade API-like application programming interface programming style. Such an approach is n...

Threat Predictions for Connected Health in 2018

The landscape in 2017 In 2017, Kaspersky Lab research revealed the extent to which medical information and patient data stored within the connected healthcare infrastructure is left unprotected and accessible online for any motivated cybercriminal to discover. For example, we found open access to...

OkoBot: new sophisticated malware framework targets cryptocurrency users

Introduction In January 2026, we identified multiple attacks involving unknown malware that captures the contents of cryptocurrency wallet windows. During the investigation, we reconstructed the complete infection chain, which consisted of four tightly linked stages initiated by the execution of...

A journey into forgotten Null Session and MS-RPC interfaces, part 2

In the first part of our research, I demonstrated how we revived the concept of no authentication null session after many years. This involved enumerating domain information, such as users, without authentication. I walked you through the entire process, starting with the difference between no-au...

IT threat evolution Q3 2024

IT threat evolution in Q3 2024 IT threat evolution in Q3 2024. Non-mobile statistics IT threat evolution in Q3 2024. Mobile statistics Targeted attacks New APT threat actor targets Russian government entities In May 2024, we discovered a new APT targeting Russian government organizations...

How the Necro Trojan infiltrated Google Play, again

Introduction We sometimes come across modified applications when analyzing suspicious files. These are created in response to user requests for more customization options within the app or for new features that the official versions don't have. Unfortunately, it's not uncommon for popular mods to...

Tusk: unraveling a complex infostealer campaign

Summary Kaspersky Global Emergency Response Team GERT has identified a complex campaign, consisting of multiple sub-campaigns orchestrated by Russian-speaking cybercriminals. The sub-campaigns imitate legitimate projects, slightly modifying names and branding and using multiple social media...

XZ backdoor: Hook analysis

Part 1: XZ backdoor story – Initial analysis Part 2: Assessing the Y, and How, of the XZ Utils incident social engineering Part 3: XZ backdoor. Hook analysis In our first article on the XZ backdoor, we analyzed its code from initial infection to the function hooking it performs. As we mentioned...

Dark web threats and dark market predictions for 2024

An overview of last years predictions 1. Increase in personal data leaks; corporate email at risk A data leakage is a broad term encompassing various types of information that become publicly available, or published for sale on the dark web or other shadow web sites. Leaked information may includ...