Webroot’s Threat Blog Most Popular Posts for 2012


By Dancho Danchev

It’s that time of the year! The moment when we look back, and reflect on Webroot’s Threat Blog most popular content for 2012.

Which are this year’s most popular posts? What distinguished them from the rest of the analyses published on a daily basis, throughout the entire year?

Let’s find out.

Continue reading

117,000 unique U.S visitors offered for malware conversion


By Dancho Danchev

In 2012 it’s becoming increasingly common for cybercriminals to apply basic quality assurance (QA) tactics to their campaigns. Next to QA, they also emphasize on campaign optimization strategies allowing them to harness the full potential of the malicious campaign.

Recently, I came across to an underground forum advertisement selling access to 117,000 unique U.S visitors — stats gathered over a period of 8 hours — for the purpose of redirecting them to a Black Hole web malware exploitation kit landing URL. The traffic aggregation taking place through black hat SEO (search engine optimization), is aiming to exploit a group of users known to have high purchasing power, namely, American citizens.

Are such underground market propositions offering traffic exchange deals gaining popularity, or are they just a fad? What’s the infection rate for 117,000 U.S based users redirected to a BlackHole exploits serving landing URL? Let’s find out.

More details:

Continue reading

Cybercriminals populate Scribd with bogus adult content, spread malware using Comodo Backup


By Dancho Danchev

On their way to convert legitimate traffic into malware-infected hosts using web malware exploitation kits, cybercriminals have been actively experimenting with multiple traffic acquisition techniques over the past couple of years. From malvertising (the process of displaying malicious ads), to compromised high-trafficked web sites, to blackhat SEO (search engine optimization), the tools in their arsenal have been systematically maturing to become today’s sophisticated traffic acquisition platforms delivering millions of unique visits from across the world, to the cybercriminals behind the campaigns.

What are some of the latest campaigns currently circulating in the wild? How are cybercriminals monetizing the hijacked traffic? Are they basically redirecting to the landing page of an affiliate network, earning revenue in the process, or are they serving malicious software to unsuspecting and gullible end and corporate users?

Let’s find out by profiling a currently active blackhat SEO (search engine optimization) campaign at the popular document sharing web site Scribd, currently using double monetization of the anticipated traffic, namely, redirecting users to a dating affiliate network, and serving malware in between.

More details:

Continue reading

Cybercriminals infiltrate the music industry by offering full newly released albums for just $1


By Dancho Danchev

Next to commodity underground goods and services such as managed spam, harvested email databases, boutique cybercrime-friendly services, services offering access to hacked PCs, managed malware crypting on demand, and managed email hacking as a service, the cybercrime ecosystem is also a thriving marketplace for stolen intellectual property, such as music releases.

In this post I’ll profile a recently launched affiliate network for pirated music, offering up to 35% revenue sharing schemes with the cybercriminals that start reselling the stolen releases which undercut the official music marketplaces prices in an attempt to increase their profits.

More details:

Continue reading

Tens of thousands of web sites affected in ongoing mass SQL injection attack


By Dancho Danchev

Hundreds of thousands of legitimate web sites are currently affected in a a mass SQL injection attack that has been ongoing for the past several months. The ongoing mass SQL injection attacks, are directly related to last year’s scareware-serving Lizamoon mass SQL injection attacks.

The cybercriminals behind it, are automatically exploiting the legitimate web sites, and embedding a tiny script on the affected pages, abusing an input validation flaw, or exploiting vulnerable and outdated versions of the web application software running on them.

More details:

Continue reading

Pharmaceutical scammers launch their own Web contest


By Dancho Danchev

What are pharmaceutical scammers up to? From active participation in black hat search engine optimization campaigns, to spamvertising of bogus links – including QR Codes – and compromising of web sites with high page rank in order to redirect to pharmaceutical scams, scammers are keeping themselves pretty busy in order to monetize as much web traffic as possible.

Recently, one of the most popular affiliate network for selling counterfeit pharmaceutical items launched its own Web contest.

Let’s take a look.

Continue reading

Rogues of the Week: XP Total Security & MS Removal Tool


By Andrew Brandt

Add to FacebookAdd to DiggAdd to Del.icio.usAdd to StumbleuponAdd to RedditAdd to BlinklistAdd to TwitterAdd to TechnoratiAdd to Yahoo BuzzAdd to Newsvine

It’s been said that sunlight sanitizes almost everything it shines on. Beginning this week, and every week from now on, we’ll focus a concentrated beam on the rogue antivirus programs our support staff and Threat Research team have been working to remediate.

Rogues have a tendency to switch up their names, user interface, and other outward characteristics, while retaining most of the same internal functionality — and by functionality I mean the fraudulent tricks these forms of malware use to make it difficult for someone to identify them as malicious or remove them from an infected computer. It’s not as though the charlatans behind these scams (or their parents) ever made anything that was actually useful or desirable.

So for our inaugural Rogue of the Week post, we bring you notes on MS Removal Tool and XP Total Security, courtesy of Threat Research Analysts Brenden Vaughan and Stephen Ham.
Continue reading

Facebook-Spamming Worm Wants Your Eyeballs


(Update, July 11, 2011:  On May 25, 2011, we were contacted by representatives of Future Ads, LLC, the parent company of both Playsushi and Gamevance.  Future Ads informed us that they, too, had been victims of a scam perpetrated by rogue affiliates who seemed to be involved with the malicious campaigns we described in this post.  Future Ads claims that it has taken action to prevent this type of abuse from happening in the future.)

By Andrew Brandt

Add to FacebookAdd to DiggAdd to Del.icio.usAdd to StumbleuponAdd to RedditAdd to BlinklistAdd to TwitterAdd to TechnoratiAdd to Yahoo BuzzAdd to Newsvine

A worm that has been circulating on Facebook in the form of a Facebook application appears to have been engineered to drive traffic to a sleazy online advertising network which tries to connive people into installing software and disclosing a great deal of personal information about themselves in return for the promise of outrageously large gifts or prizes. As I write this, nearly 5 million people have fallen victim to this scam in just the past two days.

Last month, we published a report about a spam campaign designed to lure people into clicking a link to a bogus YouTube video. In that case, when you tried to play the video, your browser was instead redirected into an advertising network called CPALead. A convoluted series of steps eventually led victims to a page where they were prompted to fill out surveys (with outrageous promises for high-value gift cards or other valuable prizes) or download and install software from a Web site named Gamevance, which publishes online games and promises players cash prizes for high scores.

In this case, the campaign uses a clearly deceptive Facebook app — actually, dozens of duplicate apps with slightly different names — that (when you click the Accept button in Facebook) spams a shortlink to all of the victim’s contacts through Facebook’s chat mechanism. The spam messages all imply that the link leads to some sort of modified photo of the message recipient, but lead into a feedback loop which tries to spread itself further by infecting the Facebook accounts of new victims. Then it displays the ads.

Continue reading

Spammed YouTube Comments Promote Adware – Successfully


(Update, July 11, 2011:  On May 25, 2011, we were contacted by representatives of Future Ads, LLC, the parent company of both Playsushi and Gamevance.  Future Ads informed us that they, too, had been victims of a scam perpetrated by rogue affiliates who seemed to be involved with the malicious campaigns we described in this post.  Future Ads claims that it has taken action to prevent this type of abuse from happening in the future.)

By Curtis Fechner and Andrew Brandt

Add to FacebookAdd to DiggAdd to Del.icio.usAdd to StumbleuponAdd to RedditAdd to BlinklistAdd to TwitterAdd to TechnoratiAdd to Yahoo BuzzAdd to Newsvine

I was poking around at the end of the work day last week, checking out the newly-released trailer for X-Men: First Class. But something in the comments caught my eye: The two highest-rated commenters don’t appear to be human. Their messages invite readers (using some goofily accented characters) to visit a profile and see the whole movie.

I’m sure the film’s director, Matthew Vaughn, would also love to see that, especially because he may not have finished shooting the movie yet. And, of course I wanted to see just how they’d manage to get  “this entîre leekêd-movìe” or “the complête leekêd-film” in their user channel, given the absence of a completed film, let alone YouTube’s limits on video length.

When I click through to the profile, it suddenly makes sense. The profile links to an outside site where (the profile’s owner claims) you can watch the full movie. It only took 13 thumbs-up clicks on those comments to make those comments the most popular, but a real user isn’t going to ‘like’ glaringly obvious comment spam. The comments are probably being boosted by the spammers themselves. With just under 7 million page views, this is apparently an effective scam. Not good!

Continue reading

10 Threats from 2010 We’d Prefer Remain History


By Andrew Brandt

Add to FacebookAdd to DiggAdd to Del.icio.usAdd to StumbleuponAdd to RedditAdd to BlinklistAdd to TwitterAdd to TechnoratiAdd to Yahoo BuzzAdd to Newsvine

With 2010 finally behind us, and an unknown number of cyberattacks likely to come in the new year, I thought I’d run down a brief list of the malicious campaigns criminals pulled off last year that I’d really dread to see anyone repeat. Now that they’re in the past, they should stay there.

Operation Aurora: Google’s accusation (with Adobe, Juniper Networks, Rackspace, Yahoo! and Symantec) that China hacked its servers, allegedly stealing private emails stored on the company’s servers. The big surprise wasn’t that it was happening, but that companies were publicly talking about it.

Abused ccTLDs: 2010 saw lots more malicious content originating from previously un-abused country code top-level domains, which are assigned to national authorities, such as the .in (India) and .cc (Cocos (Keeling) Islands) top-level domains. The Cocos Islands’ .cc domain deserves particular note because the more than 2200 malicious domains (discovered during 2010) hosted under this ccTLD outnumber the approximately 600 human inhabitants of the tiny archipelago by nearly 4-to-1.

Koobface: “the little social network worm that could” employed new URL obfuscation techniques, introduced its own keylogger, and focused efforts on a smaller number of social media sites, while Facebook got more proactive at shutting down the worm’s operations quickly. Maybe this year they’ll disappear altogether.

Continue reading