Skip to main content

Tag: javascript malware

6 articles

Office workers' computers sit idle, with one browser window open on a blurred webpage.

KREMLIN Malware Targets Chrome, Edge to Steal Credentials

Researchers uncovered a sneaky malware operation, dubbed KREMLIN, that's been targeting Chrome and Edge users since May 2025, infecting over 1,515 systems worldwide, with a staggering 98% of them located in Brazil. The malware uses a clever multi-stage attack to steal credentials, starting with a fake JavaScript file that tricks victims into unleashing the threat.

Analyst 207
Business professional sits at computer with blurred screen in typical workspace.

Phishing Campaign Exploits Font File to Deploy Lua Loader

Beware of a sneaky phishing campaign that's using cleverly disguised font files to deploy a powerful Lua Loader - a stark reminder that security controls can't always trust a file's extension. A recent Fortinet analysis reveals the tactics used by attackers to hide malicious JavaScript payloads in seemingly harmless archives.

Analyst 207
Laptop screen displays code with highlighted block comment section on a minimalist desk.

Malware Developers Embed Deceptive Code to Evade AI Analysis

Malware developers are getting sneaky, hiding deceptive code in their spyware to throw off AI analysis - and it's working, with one developer adding text about nuclear and biological weapons to their malicious software. This clever trickery tricks AI systems into ignoring the real threat.

Analyst 207
Server room with rows of blinking equipment, indicating a compromised network setup.

OptinMonster Plugin Compromised in Supply-Chain Attack

A critical security breach has hit the popular OptinMonster plugin, used by over 1.2 million websites, which delivered malicious JavaScript to unsuspecting users via a compromised content distribution network. The attack, detected by ecommerce security firm Sansec, injected harmful code into websites for a brief but perilous window of time.

Analyst 207
Office worker's desk with laptop, purchase order, and suspicious files.

PureLogs Infostealer Exploits Purchase Order Phishing Lures

Beware of purchase order phishing scams that can deliver a powerful infostealer, capable of stealing sensitive credentials and cryptocurrency keys, via a simple yet cleverly disguised email with a malicious RAR attachment. Even security software can be fooled, as one campaign was only flagged as a threat after it was already sent.

Analyst 207
Laptop workstation with PyTorch Lightning package terminal open, displaying code on a neutral background.

Malicious PyTorch Lightning Package Exploits Supply Chain to Steal Credentials

A malicious version of the popular PyTorch Lightning package, downloaded over 11 million times, was found to contain a stealthy backdoor that steals credentials by silently executing a heavily obfuscated JavaScript payload. The compromised package, version 2.6.3, triggers the malicious routine automatically when imported, putting users at risk.

Analyst 207