article thumbnail

Warning over free online file converters that actually install malware

Malwarebytes

The FBI warned specifically about that malware leading to ransomware attacks, but we’ve also seen similar sites that install browser hijackers, adware, and potentially unwanted programs (PUPs). There are a few possible scenarios the cybercriminals might pursue: They encourage you to download a tool on your device to do the conversion.

article thumbnail

Lumma/Amadey: fake CAPTCHAs want to know if you’re human

SecureList

Our recent research into the adware landscape revealed that this malicious CAPTCHA is spreading through a variety of online resources that have nothing to do with games: adult sites, file-sharing services, betting platforms, anime resources, and web apps monetizing through traffic. One of the modules can also take screenshots.

Insiders

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Android adware: What is it, and how do I get it off my device?

We Live Security

In this context, adware, which displays unwanted advertisements, might seem pretty innocuous. Adware detections surged by 160% in the first half of 2025, according to ESET’s latest threat report. Read on to learn more about how adware works, and how you can keep your Android device adware-free. Here’s what to do.

article thumbnail

IT threat evolution in Q3 2024. Mobile statistics

SecureList

million attacks involving malware, adware or potentially unwanted mobile apps were prevented. Adware was the most common mobile threat, accounting for 36% of all detected threats. Quarterly highlights Mobile attacks involving malware, adware or potentially unwanted apps dropped by 13% in Q3, to a total of 6,686,375.

article thumbnail

Mobile malware evolution in 2024

SecureList

million attacks involving malware, adware or unwanted mobile software were prevented. Adware, the most common mobile threat, accounted for 35% of total detections. million malware, adware or unwanted software attacks targeting mobile devices. The year in figures According to Kaspersky Security Network, in 2024: A total of 33.3

article thumbnail

IT threat evolution in Q3 2024. Non-mobile statistics

SecureList

The group’s victims according to its DLS as a percentage of all groups’ published victims during the period under review ( download ) Number of new modifications In Q3 2024, we detected three new ransomware families and 2109 new variants, or half of what we discovered in the previous reporting period. 2 China 0.95 3 Libya 0.68

article thumbnail

AI and collaboration tools: how cyberattackers are targeting SMBs in 2025

SecureList

Share of unique files with names mimicking the nine most popular legitimate applications in 2024 and 2025 ( download ) A comparison of the threat landscape in 2024 and 2025 reveals a clear shift: with the growing popularity of AI services, cyberattackers are increasingly disguising malware as various AI tools.