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A new phishing campaign has set its eyes on the Latin American region to deliver malicious payloads to Windows systems. “The phishing email contained a ZIP file attachment that when extracted reveals an HTML file that leads to a malicious file download posing as an invoice,” Trustwave SpiderLabs researcher Karla Agregado said. The email message, […]
The threat actor known as TA558 has been attributed to a new massive phishing campaign that targets a wide range of sectors in Latin America with the goal of deploying Venom RAT. The attacks primarily singled out hotel, travel, trading, financial, manufacturing, industrial, and government verticals in Spain, Mexico, the United States, Colombia, Portugal, Brazil, […]
Chinese-speaking users have been targeted by malicious Google ads for restricted messaging apps like Telegram as part of an ongoing malvertising campaign. “The threat actor is abusing Google advertiser accounts to create malicious ads and pointing them to pages where unsuspecting users will download Remote Administration Trojan (RATs) instead,” Malwarebytes’ Jérôme Segura said in a […]
Microsoft has warned of a new wave of CACTUS ransomware attacks that leverage malvertising lures to deploy DanaBot as an initial access vector. The DanaBot infections led to “hands-on-keyboard activity by ransomware operator Storm-0216 (Twisted Spider, UNC2198), culminating in the deployment of CACTUS ransomware,” the Microsoft Threat Intelligence team said in a series of posts […]
Threat actors are leveraging manipulated search results and bogus Google ads that trick users who are looking to download legitimate software such as WinSCP into installing malware instead. Cybersecurity company Securonix is tracking the ongoing activity under the name SEO#LURKER. “The malicious advertisement directs the user to a compromised WordPress website gameeweb[.]com, which redirects the […]
The popularity of Brazil’s PIX instant payment system has made it a lucrative target for threat actors looking to generate illicit profits using a new malware called GoPIX. Kaspersky, which has been tracking the active campaign since December 2022, said the attacks are pulled off using malicious ads that are served when potential victims search […]
Details have emerged about a malvertising campaign that leverages Google Ads to direct users searching for popular software to fictitious landing pages and distribute next-stage payloads. Malwarebytes, which discovered the activity, said it’s “unique in its way to fingerprint users and distribute time sensitive payloads.” The attack singles out users searching for Notepad++ and PDF […]
Malicious ads served inside Microsoft Bing’s artificial intelligence (AI) chatbot are being used to distribute malware when searching for popular tools. The findings come from Malwarebytes, which revealed that unsuspecting users can be tricked into visiting booby-trapped sites and installing malware directly from Bing Chat conversations. Introduced by Microsoft in February 2023, Bing Chat is […]
Malicious actors associated with the Vietnamese cybercrime ecosystem are leveraging advertising-as-a-vector on social media platforms such as Meta-owned Facebook to distribute malware. “Threat actors have long used fraudulent ads as a vector to target victims with scams, malvertising, and more,” WithSecure researcher Mohammad Kazem Hassan Nejad said. “And with businesses now leveraging the reach of […]
Threat actors associated with the BlackCat ransomware have been observed employing malvertising tricks to distribute rogue installers of the WinSCP file transfer application. “Malicious actors used malvertising to distribute a piece of malware via cloned webpages of legitimate organizations,” Trend Micro researchers said in an analysis published last week. “In this case, the distribution involved […]
Thousands of adware apps for Android have been found to masquerade as cracks or modded versions of popular applications to serve unwanted ads to users as part of a campaign ongoing since October 2022. “The campaign is designed to aggressively push adware to Android devices with the purpose to drive revenue,” Bitdefender said in a […]
In yet another instance of how threat actors are abusing Google Ads to serve malware, a threat actor has been observed leveraging the technique to deliver a new Windows-based financial trojan and information stealer called LOBSHOT. “LOBSHOT continues to collect victims while staying under the radar,” Elastic Security Labs researcher Daniel Stepanic said in an […]
An ongoing malvertising campaign is being used to distribute virtualized .NET loaders that are designed to deploy the FormBook information-stealing malware. “The loaders, dubbed MalVirt, use obfuscated virtualization for anti-analysis and evasion along with the Windows Process Explorer driver for terminating processes,” SentinelOne researchers Aleksandar Milenkoski and Tom Hegel said in a technical write-up. The […]
Users searching for popular software are being targeted by a new malvertising campaign that abuses Google Ads to serve trojanized variants that deploy malware, such as Raccoon Stealer and Vidar. The activity makes use of seemingly credible websites with typosquatted domain names that are surfaced on top of Google search results in the form of […]
Researchers believe that the campaign has been active since 2018, and since then, the malware has been under development constantly. Cisco Talos researchers have identified malvertising campaigns using fake installers of popular games and applications, such as WeChat, Viber, Battlefield, and NoxPlayer, to lure users into downloading an undocumented, malicious Google Chrome extension and a […]
A series of malicious campaigns have been leveraging fake installers of popular apps and games such as Viber, WeChat, NoxPlayer, and Battlefield as a lure to trick users into downloading a new backdoor and an undocumented malicious Google Chrome extension with the goal of stealing credentials and data stored in the compromised systems as well […]
At the beginning of 2021 CISA made an important statement [PDF] which many internet users consider so long-awaited: federal and public agencies, along with their expansion in the World Web should as well implement and standardize the usage of ad-blocking software. Public opinion is agreeing on the point that nowadays internet security is just as […]
An ongoing malvertising campaign tracked as “Tag Barnakle” has been behind the breach of more than 120 ad servers over the past year to sneakily inject code in an attempt to serve malicious advertisements that redirect users to rogue websites, thus exposing victims to scamware or malware. Unlike other operators who set about their task […]
The emergence of a new Android malware, known as xHelper, has caught the attention of digital forensics experts and antivirus firms due to a dangerous mechanism that allows it to reinstall itself on the infected device, making it almost impossible to remove. The first reports of xHelper infections were filed in March, starting with a […]
A team of ethical hacking specialists from security firm Confiant has revealed the discovery of a new malware variant for Mac devices. Dubbed Tarmac, this strain is distributed through some malicious advertising campaigns in countries such as the US, Japan and Italy. In their report, the researchers mention that it all starts using malicious advertising, […]
Remember the malvertising campaigns in the early days where are adverts showing you are the nth visitor, and you have a prize to claim for being the coveted nth visitor on a website? Of course these days the chance of seeing a Flash-based animated advert like that, since Google Chrome itself autoblocks scam-like adverts by […]