441 matches found
Tech support scammers find new way to jam Google Chrome (updated)
Update 1 2018-02-07: This issue with Google Chrome was reported here and merged here. Update 2 2018-02-07: Firefox and Brave seem to be affected by this bug as well both vendors were informed. During the past quarter we have noted an increase in fake browser alerts pushing tech support scams. Mos...
RIG exploit kit campaign gets deep into crypto craze
There isn't a day that goes by without a headline about yet another massive spike in Bitcoin valuation, or a story about someone mortgaging their house to purchase the hardware required to become a serious cryptocurrency miner. If many folks are thinking about joining the 'crypto craze' movement,...
Tech support scammers make browser lockers more resilient
Tech support scammers have been relying on fraudulent pop-ups for many years in order to scare potential victims into calling for remote assistance. These so-called browser lockers or browlocks typically originate from malicious ads malvertising that can appear on any website, including trusted...
Disdain exploit kit and a side of social engineering deliver Neutrino Bot
Today we picked up new activity from an exploit kit that was first discovered back in August of this year. The Disdain exploit kit, simply identified by a string of the same name found in its source code, is being distributed again after a short interruption via malvertising chains. Disdain EK...
Part 2: All rise! Mind these digital crimes and arm your business against them
In the first installment of this two-part series, we advised consumers to stay on top of a selection of up-and-coming crimes to significantly lessen the chances of encountering them in the future. For this post, we're going to look into digital crimes that keeps small businesses and large...
Magnitude EK actor goes for Bitcoin multiplier scam (updated)
It is well known that hot commodities tend to attract scammers and online criminals. The continuous rise of Bitcoin over the past year valued at over USD $7,188 at the time of writing is generating frenzy amongst fans of cryptocurrencies as well as those watching from the sidelines. While the...
A week in security (October 23 – October 29)
Welcome back to "A week in security." Last week, we took a look at how deleted files can be recovered, explored the BadRabbit ransomware plague attacking Eastern Europe including a deep dive into the code, and talked about what it takes to work in security. One of our researchers, who is a PhD...
Malvertising Campaign Redirects Browsers To Terror Exploit Kit
Security experts are warning some “Quit Smoking” and “20 Minute Fat Loss” ads online are delivering more than sales pitches. According to researchers at Zscaler, ads are redirecting browsers to malicious landing pages hosting the Terror exploit kit. The campaigns have been sustained, with the...
New Magniber Ransomware Targets South Korea, Asia Pacific
Researchers identified a new ransomware family called Magniber that uniquely targets only users in South Korea and the Asia-Pacific regions. The ransomware is primarily being distributed by the Magnitude exploit kit, a primary distribution vehicle in the past for Cerber ransomware. Because of...
Magniber Ransomware Wants to Infect Only the Right People
Introduction Exploit kit EK use has been on the decline since late 2016; however, certain activity remains consistent. The Magnitude Exploit Kit is one such example that continues to affect users, particularly in the APAC region. In Figure 1, which is based on FireEye Dynamic threat Intelligence...
A week in security (October 9 – October 15)
Last week on the Labs blog, we talked about GDPR as part of our series in the National Cyber Security Awareness Month NCSAM. We also discussed a new method for phishing Apple ID passwords and the possible ramifications. We analyzed the malvertising chain due to a script that was found on popular...
Malvertising on Equifax, TransUnion tied to third party script (updated)
Update 10-16-2017: More information regarding the third-party script fireclick.js and the domain it contacted netflame.cc was revealed by the Wall Street Journal. That domain once was used by Digital River Inc., an e-commerce and digital-marketing vendor, for a now-defunct web-analytics product...
Labs report: summer ushers in unprecedented season of breaches
In this edition of the Malwarebytes Cybercrime Tactics and Techniques report for the third quarter of 2017, we saw a number of high profile breaches targeting the personal information of hundreds of millions of people. While the Equifax breach may have dominated the news cycle, notable attacks...
Millions of PornHub users affected by a year long malvertising campaign
By Waqas The quote where there is pleasure there is pain is This is a post from HackRead.com Read the original post: Millions of PornHub users affected by a year long malvertising campaign...
Porn Site Becomes Hub for KovCoreG Group Malvertising Campaigns
Pornhub, a top-20 ranked U.S. website according to Alexa, was serving up large-scale malvertising attacks exposing millions of visitors to click-fraud. Behind the attacks is the KovCoreG Group, best known for distributing Kovter click-fraud malware. The campaigns, spotted by researchers at...
Warning: Millions Of P0rnHub Users Hit With Malvertising Attack
Researchers from cybersecurity firm Proofpoint have recently discovered a large-scale malvertising campaign that exposed millions of Internet users in the United States, Canada, the UK, and Australia to malware infections. Active for more than a year and still ongoing, the malware campaign is bei...
A week in security (September 25 – October 01)
Recently, we talked about the hacking incident at Deloitte, one of the 'big four' global accounting firms. It was reported that client email addresses, usernames, and passwords were exposed. This also brought to light weaknesses in their policies and lack of threat intelligence to recover leaked...
Tech support scammers abuse native ad and content provider Taboola to serve malvertising (updated)
A large number of publishers - big and small - are monetizing their sites by selling space for companies that provide so-called native advertising, cited as more effective and engaging than traditional banner ads. Indeed, on a news or entertainment site, users are more inclined to click on links...
Expired domain names and malvertising
In Q1 and Q2 of 2017, we noticed a sharp decline in drive-by downloads coming from compromised websites. The campaigns of the past are either gone Pseudo Darkleech or have changed focus EITest using social engineering techniques. Malvertising - which has remained steady and is currently the main...
A week in security (August 28 – September 3)
Last week, we looked at what actions Kronos can perform in the final installment of a 2-part post. We also dived into Locky, again, a ransomware that just made a comeback, and found that its latest variant as of this writing has anti-sandboxing capabilities. This means that once Locky has...