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Tag: trojan

RDPSecurity FeedsMalware DescriptionsFeaturedTargeted AttacksMalware TechnologiesMalware reportsexploit kits

IT threat evolution Q2 2020

IT threat evolution Q2 2020. PC statistics IT threat evolution Q2 2020. Mobile statistics Targeted attacks PhantomLance: hiding in plain sight In April, we reported the results of our investigation into a mobile spyware campaign that we call ‘PhantomLance’. The campaign involved a backdoor Trojan that the attackers distributed via dozens of apps in Google Play and elsewhere. Dr Web first reported the malware in July 2019, but we decided to investigate because the Trojan was more sophisticated than most malware for stealing money…

Security FeedsMalware DescriptionsFeaturedTargeted AttacksMalware Technologies

WastedLocker: technical analysis

The use of crypto-ransomware in targeted attacks has become an ordinary occurrence lately: new incidents are being reported every month, sometimes even more often. On July 23, Garmin, a major manufacturer of navigation equipment and smart devices, including smart watches and bracelets, experienced a massive service outage. As confirmed by an official statement later, the cause of the downtime was a cybersecurity incident involving data encryption. The situation was so dire that at the time of writing of this post (7/29) the operation of…

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The Streaming Wars: A Cybercriminal’s Perspective

Cyber threats aren’t relegated to the world of big businesses and large-scale campaigns. The most frequent attacks aren’t APTs and massive data breaches—they’re the daily encounters with malware and spam by everyday users. And, one of the areas where we’re most vulnerable is entertainment—particularly when we’re so used to finding everything and anything we want to watch or play for little or no money online. That’s why, last year, we took a look at how cybercriminals use popular shows to spread malware. This year…

Mobile SecuritySecurity FeedsFeaturedMobile Malwareadvertising networks

Pig in a poke: smartphone adware

Our support team continues to receive more and more requests from users complaining about intrusive ads on their smartphones from unknown sources. In some cases, the solution is quite simple. In others, the task is far harder: the adware plants itself in the system partition, and trying to get rid of it can lead to device failure. In addition, ads can be embedded in undeletable system apps and libraries at the code level. According to our data, 14.8% of all users attacked by malware…

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Oh, what a boot-iful mornin’

In mid-April, our threat monitoring systems detected malicious files being distributed under the name “on the new initiative of the World Bank in connection with the coronavirus pandemic” (in Russian) with the extension EXE or RAR. Inside the files was the well-known Rovnix bootkit. There is nothing new about cybercriminals exploiting the coronavirus topic; the novelty is that Rovnix has been updated with a UAC bypass tool and is being used to deliver a loader that is unusual for it. Without further ado, let’s…

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Microcin is here

In February 2020, we observed a Trojan injected into the system process memory on a particular host. The target turned out to be a diplomatic entity. What initially attracted our attention was the enterprise-grade API-like (application programming interface) programming style. Such an approach is not that common in the malware world and is mostly used by top-notch actors. Due to control server reuse (Choopa VPS service), target profiling techniques and code similarities, we attribute this campaign with high confidence to the SixLittleMonkeys (aka Microcin)…

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IT threat evolution Q1 2020

Targeted attacks and malware campaigns Operation AppleJeus: the sequel In 2018, we published a report on Operation AppleJeus, one of the more notable campaigns of the threat actor Lazarus, currently one of the most active and prolific APT groups. One notable feature of this campaign was that it marked the first time Lazarus had targeted macOS targets, with the group inventing a fake company in order to deliver its manipulated application and exploit the high level of trust among potential victims. Our follow-up research…

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Cyberthreats on lockdown

Every year, our anti-malware research team releases a series of reports on various cyberthreats: financial malware, web attacks, exploits, etc. As we monitor the increase, or decrease, in the number of certain threats, we do not usually associate these changes with concurrent world events – unless these events have a direct relation to the cyberthreats, that is: for example, the closure of a large botnet and arrest of its owners result in a decrease in web attacks. However, the COVID-19 pandemic has affected us…

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COMpfun authors spoof visa application with HTTP status-based Trojan

You may remember that in autumn 2019 we published a story about how a COMpfun successor known as Reductor infected files on the fly to compromise TLS traffic. If you’re wondering whether the actor behind the malware is still developing new features, the answer is yes. Later in November 2019 our Attribution Engine revealed a new Trojan with strong code similarities. Further research showed that it was obviously using the same code base as COMPFun. What’s of interest inside The campaign operators retained their…