Black Friday scammers offer fake gifts from big-name brands to empty bank accounts

Black Friday is supposed to be chaotic, sure, but not this chaotic. While monitoring malvertising patterns ahead of the holiday rush, I uncovered one of the most widespread and polished Black Friday scam campaigns circulating online right now. It’s not a niche problem. Our own research shows that...

TamperedChef Malware Spreads via Fake Software Installers in Ongoing Global Campaign

Threat actors are leveraging bogus installers masquerading as popular software to trick users into installing malware as part of a global malvertising campaign dubbed TamperedChef. The end goal of the attacks is to establish persistence and deliver JavaScript malware that facilitates remote acces...

CVE-2017-20202

Web Developer for Chrome v0.4.9 contained malicious code that generated a domain via a DGA and fetched a remote script. The fetched script conditionally loaded follow-on modules that performed extensive ad substitution and malvertising, displayed fake “repair” alerts that redirected users to...

CVE-2017-20202

Web Developer for Chrome v0.4.9 contained malicious code that generated a domain via a DGA and fetched a remote script. The fetched script conditionally loaded follow-on modules that performed extensive ad substitution and malvertising, displayed fake “repair” alerts that redirected users to...

CVE-2017-20202 Web Developer for Chrome v0.4.9 Malicious Backdoor Supply Chain Compromise

Web Developer for Chrome v0.4.9 contained malicious code that generated a domain via a DGA and fetched a remote script. The fetched script conditionally loaded follow-on modules that performed extensive ad substitution and malvertising, displayed fake “repair” alerts that redirected users to...

CVE-2017-20202 Web Developer for Chrome v0.4.9 Malicious Backdoor Supply Chain Compromise

Web Developer for Chrome v0.4.9 contained malicious code that generated a domain via a DGA and fetched a remote script. The fetched script conditionally loaded follow-on modules that performed extensive ad substitution and malvertising, displayed fake “repair” alerts that redirected users to...

CVE-2017-20202

Web Developer for Chrome extension v0.4.9 contained malicious code that generated a domain via a domain-generation algorithm (DGA) and fetched a remote script. The script loaded follow-on modules to perform extensive ad substitution and malvertising, displayed fake “repair” alerts redirecting use...

PT-2025-41313

Name of the Vulnerable Software and Affected Versions Web Developer for Chrome versions prior to 0.5.0 Description The Web Developer for Chrome extension contained malicious code that generated a domain using a domain generation algorithm DGA and retrieved a remote script. This script loaded...

EUVD-2025-1985

Malicious code in bioql PyPI...

Vane Viper Generates 1 Trillion DNS Queries to Power Global Malware and Ad Fraud Network

The threat actor known as Vane Viper has been outed as a purveyor of malicious ad technology adtech, while relying on a tangled web of shell companies and opaque ownership structures to deliberately evade responsibility. "Vane Viper has provided core infrastructure in widespread malvertising, ad...

Vane Viper Malvertising Network Posed as Legit Adtech in Global Scams

Infoblox links Vane Viper to PropellerAds, exposing a global malvertising network posing as adtech while spreading malware and running online scams...

Fake Madgicx Plus and SocialMetrics Extensions Are Hijacking Meta Business Accounts

Cybersecurity researchers have disclosed two new campaigns that are serving fake browser extensions using malicious ads and fake websites to steal sensitive data. The malvertising campaign, per Bitdefender, is designed to push fake "Meta Verified" browser extensions named SocialMetrics Pro that...

Cybercriminals Exploit X's Grok AI to Bypass Ad Protections and Spread Malware to Millions

Cybersecurity researchers have flagged a new technique that cybercriminals have adopted to bypass social media platform X's malvertising protections and propagate malicious links using its artificial intelligence AI assistant Grok. The findings were highlighted by Nati Tal, head of Guardio Labs, ...

Fake Facebook Ads Push Brokewell Spyware to Android Users

A Facebook malvertising campaign is spreading the Brokewell spyware to Android users via fake TradingView ads. The malware…...

TamperedChef Malware Disguised as Fake PDF Editors Steals Credentials and Cookies

Cybersecurity researchers have discovered a cybercrime campaign that's using malvertising tricks to direct victims to fraudulent sites to deliver a new information stealer called TamperedChef. "The objective is to lure victims into downloading and installing a trojanized PDF editor, which include...

COOKIE SPIDER’s Malvertising Drops New SHAMOS macOS Malware

CrowdStrike reports COOKIE SPIDER using malvertising to spread SHAMOS macOS malware a new variant of AMOS infostealer, stealing…...

Think before you Click(Fix): Analyzing the ClickFix social engineering technique

Over the past year, Microsoft Threat Intelligence and Microsoft Defender Experts have observed the ClickFix social engineering technique growing in popularity, with campaigns targeting thousands of enterprise and end-user devices globally every day. Since early 2024, we’ve helped multiple custome...

Think before you Click(Fix): Analyzing the ClickFix social engineering technique

Over the past year, Microsoft Threat Intelligence and Microsoft Defender Experts have observed the ClickFix social engineering technique growing in popularity, with campaigns targeting thousands of enterprise and end-user devices globally every day. Since early 2024, we’ve helped multiple custome...

New Malvertising Attack Spreads Crypto Stealing PS1Bot Malware

Cisco Talos researchers have discovered a dangerous new malware framework called PS1Bot. Active since early 2025, this sophisticated…...

New PS1Bot Malware Campaign Uses Malvertising to Deploy Multi-Stage In-Memory Attacks

Cybersecurity researchers have discovered a new malvertising campaign that's designed to infect victims with a multi-stage malware framework called PS1Bot. "PS1Bot features a modular design, with several modules delivered used to perform a variety of malicious activities on infected systems,...