Inside of the WASP’s nest: deep dive into PyPI-hosted malware
Photo by Matheus Queiroz on Unsplash In late 2022 we decided to start monitoring PyPI, arguably the most important Python repository, as there were a number of reports on it hosting malware. PyPI took exceptional relevance amongst all repositories as, historically, it was trusted by default by many software developers. Any security breach or abuse […] more…APT43: An investigation into the North Korean group’s cybercrime operations
Introduction As recently reported by our Mandiant’s colleagues, APT43 is a threat actor believed to be associated with North Korea. APT43’s main targets include governmental institutions, research groups, think tanks, business services, and the manufacturing sector, with most victims located in the United States and South Korea. The group uses a variety of techniques and […] more…Russian-speaking cybercrime evolution: What changed from 2016 to 2021
Experts at Kaspersky have been investigating various computer incidents on a daily basis for over a decade. 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 […] more…Kaspersky Security Bulletin 2018. Top security stories
Introduction The internet is now woven into the fabric of our lives. Many people routinely bank, shop and socialize online and the internet is the lifeblood of commercial organizations. The dependence on technology of governments, businesses and consumers provides a broad attack surface for attackers with all kinds of motives – financial theft, theft of […] more…IT threat evolution Q2 2018
Targeted attacks and malware campaigns Operation Parliament In April, we reported the workings of Operation Parliament, a cyber-espionage campaign aimed at high-profile legislative, executive and judicial organizations around the world – with its main focus in the MENA (Middle East and North Africa) region, especially Palestine. The attacks, which started early in 2017, target parliaments, […] more…Spam and phishing in Q1 2017
Spam: quarterly highlights Spam from the Necurs botnet We wrote earlier about a sharp increase in the amount of spam with malicious attachments, mainly Trojan encryptors. Most of that spam was coming from the Necurs botnet, which is currently considered the world’s largest spam botnet. However, in late December 2016, the network’s activity almost ceased […] more…Spam and phishing in 2016
The year in figures According to Kaspersky Lab, in 2016: The proportion of spam in email flows was 58.31%, which is 3.03 percentage points more than in 2015. 62.16% of spam emails were no more than 2 KB in size. 12.08% of spam was sent from the US. Trojan.Win32.Bayrob was the most popular malware family […] more…New Locky Ransomware Spotted in the Brazilian Underground Market, Uses Windows Script Files
Like a game of cat and mouse, the perpetrators behind the Locky ransomware had updated their arsenal yet again with a new tactic—using Windows Scripting File (WSF) for the arrival method. WSF is a file that allows the combination of multiple scripting languages within a single file. Using WSF makes the detection and analysis of ransomware challenging […] more…IT threat evolution in Q2 2016. Statistics
Download the full report (PDF) All the statistics used in this report were obtained using Kaspersky Security Network (KSN), a distributed antivirus network that works with various anti-malware protection components. The data was collected from KSN users who agreed to provide it. Millions of Kaspersky Lab product users from 213 countries and territories worldwide participate […] more…KSN Report: Mobile ransomware in 2014-2016
Part 1. KSN Report: PC ransomware in 2014-2016 Download PDF version Statistics The activity of mobile ransomware, although not as widely covered in the media as PC ransomware, also skyrocketed over the period covered by this report. Especially in the second half. Fig. 12: The number of users encountering mobile ransomware at least once in […] more…Kaspersky Security Bulletin. Spam and phishing in 2015
Download PDF The year in figures According to Kaspersky Lab, in 2015 The proportion of spam in email flows was 55.28%, which is 11.48 percentage points lower than in 2014. 79% of spam emails were no more than 2 KB in size. 15.2% of spam was sent from the US. 146,692,256 instances that triggered the […] more…More information
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