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Channel: Malvertising – Malwarebytes Labs
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Kampagnen Malvertising Campaign Goes After German Users

A large malvertising campaign is currently targeting German users on some popular web sites such as eBay.de or T-Online.de, the latter being a top ISP. A rogue actor has been successful in gaining the...

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DirectRev Advert Loads Self Sufficient Flash Exploit, CryptoWall

We have been observing a series of malvertising attacks using an unusual but familiar delivery method recently. Indeed, instead of relying on an exploit kit to compromise the victims’ machines, this...

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Official Premier League Fantasy Website Pushes Malvertising

Soccer, or rather football aficionados in the UK may have had their computers infected whilst browsing the Premier League’s official fantasy website fantasy.premierleague.com. A malicious advert...

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Magnitude Exploit Kit Activity Increases Via Malvertising Attacks

During the past few days we have noticed a higher than usual number of malvertising attacks pushing the Magnitude exploit kit – which had been relatively quiet – to drop ransomware. Magnitude EK is one...

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The Casino Malvertising Campaign

We identified one of the largest malvertising campaigns in recent months going through 10 different ad domains receiving massive volumes of Internet traffic. Although we only recently uncovered and...

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Video Ads: Malvertising’s Next Frontier?

Throughout 2015, malicious advertising (malvertising) has remained one of the top security threats affecting consumers and businesses. We’ve covered many tricks used by criminal actors to abuse the...

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Large Number of Adult Sites Distribute Malware Via AdXpansion Malvertising

Update (12/03): AdXpansion contacted us with the following statement: Adxpansion can confirm that these ads were disabled within hours of first being reported but, unfortunately, our compliance efforts...

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Malvertising Hits DailyMotion, Serves Up Angler EK

We have been tracking an attack via .eu sites for several days but were missing the final payload. However, this changed when we managed to reproduce a live infection via an ad call coming from popular...

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Spike in Malvertising Attacks Via Nuclear EK Pushes Ransomware

We’ve been monitoring a malvertising campaign very closely as it really soared during the past week. The actors involved seem to be the same as the ones behind the self-sufficient Flash...

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Comcast Customers Targeted In Elaborate Malvertising Attack

With the holiday season here, we are seeing a rise in online scams that attempt to trick victims into giving out personal information and extorting money for bogus services. This latest one is...

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Malvertising Campaign via Pop-under Ads Sends CryptoWall 4

We have caught a new malvertising campaign on the PopAds network launching the Magnitude exploit kit via pop-under ads. A pop-under is an ad window that appears behind the main browser window and...

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MSN Home Page Drops More Malware Via Malvertising

Malvertisers are once again abusing ad technology platform AdSpirit and exposing visitors of the MSN homepage to malware. These attacks appeared to have been primarily focused on Germans users via an...

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Rotten Tomatoes, Jerusalem Post And Other Publishers Victim Of Ongoing...

Rogue advertisers are increasingly able to defeat various ad networks which is not good news for publishers and their visitors. It means more booby trapped ads will be delivering malware on people’s...

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Gossip Site TMZ, Latest Victim of Malvertising Campaign

The same malvertising campaign we documented last week is still going unabated. The latest large publisher affected by it is celebrity gossip portal TMZ.com which brings in around 30 million visitors...

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A Look Behind The Skype Malvertising Campaign

As reported by F-Secure, a recent malvertising campaign has been hitting several top publishers to push the Angler exploit kit and install the TeslaCrypt ransomware, according to the Finnish company....

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Wajam Browser Add-on Serves Malvertising

While investigating a recent malvertising incident we were stumped trying to identify the exact infection chain. We talked to the publisher which was positive they never used a particular ad provider...

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Magnitude EK Malvertising Déjà Vu

During the past few days we have witnessed an increase in the number of malvertising incidents involving the Magnitude exploit kit. The last time we blogged about this was in mid November 2015 and we...

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Operation Fingerprint: A Look Into Several Angler Exploit Kit Malvertising...

Malicious advertising, also known as malvertising, has become the best method to distribute malware on a global scale with surgical precision. Simply put, malvertising is a means to expose innocent...

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Large Angler Malvertising Campaign Hits Top Publishers

During the past few weeks, malvertising activity was a little bit on the decline, at least within our own telemetry. We were mainly seeing the usual suspects pushing a lot of Magnitude EK related...

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A Look Into Malvertising Attacks Targeting The UK

We recently stumbled upon a malvertising incident on a large British newspaper site which we decided to investigate in greater details. As with many attacks we have found lately, the line between...

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