Malicious Ads on Yahoo, AOL, Trigger CryptoWall Infections

Attackers have been leveraging the FlashPack Exploit Kit to peddle the CryptoWall 2.0 ransomware on unsuspecting visitors to sites such as Yahoo, The Atlantic and AOL. Researchers believe that for about a month the malvertising campaign hit up to 3 million visitors and netted the attackers $25,00...

New Adobe Flash Exploit Found in Angler, Fiesta EKs

Two notorious exploit kits are already seeding vulnerable websites with exploits for a Flash Player vulnerability that was patched in last week’s Adobe security bulletin. French researcher Kafeine told Threatpost that the most likely scenario is that a skilled coder found a way to reverse-enginee...

Operation DeathClick APT Malvertising Campaign

Advanced persistent threat groups are using malvertising in order to compromise the networks of their adversaries in what appears to be an example of high-level, nation-state attackers borrowing tactics from the typically less sophisticated cybercriminal arsenals. Attackers are also borrowing fro...

New Signed Version of CryptoWall Ransomware On the Loose

UPDATE–Researchers have discovered a variant of the CryptoWall ransomware that has a valid digital signature and is being distributed through malicious ads on several top-ranked Alexa Web sites. CryptoWall is one of the more successful ransomware strains in recent memory, with researchers...

Kyle and Stan Malvertising Network Nine Times Bigger

The Kyle and Stan malvertising network has a much bigger reach than first reported—about nine times bigger. In the two weeks since Cisco’s first report on the malicious ad distribution campaign, researchers had a chance to look closer at telemetry data, connect more dots and learn that nearly 6,5...

Malicious Google DoubleClick Advertisements Distributed Malware to Millions of Computers

Cyber criminals have exploited the power of two online advertising networks, Google's DoubleClick and popular Zedo advertising agency, to deliver malicious advertisements to millions of internet users that could install malware on a user's computer. A recent report published by the researcher of...

'Kyle and Stan' Malvertising Network Targets Windows and Mac Users

A malvertising network that has been operating since at least May has been able to place malicious ads on a number of high-profile sites, including Amazon and YouTube and serves a unique piece of malware to each victim. The network, dubbed Kyle and Stan by the Cisco researchers who analyzed its...

Malicious Advertisements Found on Java.com, Other High-Profile Sites

A New York-based online ad network company AppNexus, that provides a platform specializing in real-time online advertising, has again been spotted as the origin of a recent "malvertising" campaign that makes use of the Angler Exploit Kit to redirect visitors to malicious websites hosting the Aspr...

Java.com, TMZ Serving Malvertising Redirects to Angler Kit

Online ad network AppNexus has again been identified at the core of another malvertising campaign using the Angler Exploit Kit to redirect visitors to sites hosting the Asprox malware. Busy, popular websites including TMZ, Photobucket and Java.com in recent days have been serving malicious...

RIG Exploit Kit Pushing Cryptowall Ransomware

With Cryptolocker quite possibly on its way to becoming yesterday’s ransomware news after the successful takedown of part of its distribution infrastructure, alternatives are already available. Cryptowall is the latest to grab some attention and traction on victimized computers. Cisco reported on...

Netflix Users Targeted by Microsoft Silverlight Exploits

Netflix, the world’s largest Internet Video Subscription service with more than 35.7 million customers in U.S alone, that runs on the Microsoft Silverlight platform, has now become a popular target for cybercriminals, as public awareness of Java and Flash flaws is increasing. Silverlight is a...

Malvertising Redirecting to Angler EK, Silverlight Exploits

The fact that Netflix accounts for one-third of Internet traffic during peak evening hours, and that it runs on the Microsoft Silverlight platform, is just too tempting a combination for hackers to pass up. For the second time in six months, criminal hacker groups are zeroing in on Silverlight...

Blackhole Exploit Kit Successor Years Away

It should shock no one that a viable successor to the Blackhole exploit kit has yet to emerge in the criminal underground. It’s been less than three months since the arrest of its alleged creator Paunch sent cybercriminals reliant on the toolkit scrambling for a replacement. And like any profitab...

DailyMotion Hosting Malvertising Leading to Fake AV Attack

Video-sharing site DailyMotion, one of the most popular destinations on the Web, is in the throes of an attack where it is serving malicious ads redirecting users to a fake AV scam. Security firm Invincea reported the issue to the website, and as of 4 p.m. ET, DailyMotion was still serving the fa...

Malvertising Campaign Redirects to Blackhole Exploit Kit

Online ad networks have proven efficient tools in spreading malware to a large number of sites simultaneously. Attackers who manage to spike an ad distribution service can potentially have millions of eyeballs on a malicious ad for a fraction of the cost it would take to buy or build spam lists,...

Report: Malvertising Campaign Thrives on Dynamic DNS

A malvertising campaign that’s lasted almost half a year is staying alive thanks to infected web advertisements being circulated by otherwise clean ad networks. The campaign, now in its fifth month, relies on the Dynamic Domain Name System DDNS to keep it from being caught according to a report...

Armorize Partners With Symantec to Provide Powerful Anti-Malvertising Technology

Armorize Partners With Symantec to Provide Powerful Anti-Malvertising Technology...

YieldManager Ad Network Serving Malvertising

One of the world’s largest advertising networks, YieldManager, has been serving ransomware to websites from all over the world. The malvertising campaign was first detected by Armorize’s HackAlert scanning farm. While the websites affected are international, the exploit server itself, at the...

Scareware Takedown By FBI, Int'l Authorities Results in Two Arrests

The FBI has made a major dent in the huge scareware and rogue antivirus problem that has been plaguing Internet users for years now, arresting two people and seizing dozens of computers, servers and bank accounts as part of a large-scale coordinated operation in twelve countries. The operation,...

Report: More Than 1 Million Web Sites Serving Malware in Q2

Web anti malware firm Dasient has published data claiming that more than 1 million Web sites were compromised in the second quarter, 2010 – a sharp increase. More than one million Web domains were infected with malicious code in the second quarter of 2010 – around one percent of all active Web...