Tag: Ransomware

Atom Silo Ransomware
Detecting Atom Silo Ransomware Infections

Ransomware actors attempt to stay at the forefront of the malicious trends in their strive for bigger profits. Recently, security researchers spotted a new threat actor leveraging a critical vulnerability in Atlassian Confluence (CVE-2021-26084) to proceed with ransomware infections. Dubbed Atom Silo, the gang relies on CVE-2021-26084 alongside several novel evasion techniques to fly under […]

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REvil Ransomware Deployed in Kaseya Supply Chain Attack

Hundreds of companies have been recently exposed to a massive supply chain attack on the software company Kaseya. A zero-day bug in Kaseya’s VSA software was nefariously leveraged by the REvil gang to infect 30 managed service providers (MSPs) and multiple their customers with ransomware.  Although the vendor has been aware of the vulnerability since […]

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BazarLoader Malware Detection

Experts warn about an unusual approach to infect targets with BazarLoader — a notorious strain frequently used to deliver ransomware. The hacker collective, dubbed BazarCall, abuses call center functionality to trick victims into downloading the malicious payload. The campaign has been active since at least February 2021, continuously adding new tricks to increase its notoriety. […]

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Defending Against Ransomware Attacks in 2021

The cybersecurity community is facing a crisis caused by the escalating threat of high-profile ransomware attacks. Advancing the trend of 2020, ransomware continues to be the number one problem in 2021, with the increasing sophistication of intrusions and a constantly growing number of malicious affiliates.  Big enterprises remain to be the primary target. Yet, the […]

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REvil Ransomware Evolution: New Tactics, Impressive Gains, and High-Profile Targets

The REvil gang stands behind the avalanche of attacks targeting major companies across the US, Europe, Africa, and South America. In March 2021, ransomware operators claimed almost a dozen of intrusions that resulted in sensitive data compromise. The list of victims includes law firms, construction companies, international banks, and manufacturing vendors. As per news reports, […]

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Zeoticus 2.0: Nasty Ransomware Strain Receives Major Upgrade

Starting from December 2020, a new version of Zeoticus ransomware has been actively targeting users in the wild. Zeoticus 2.0 comes with better performance and enhanced offline capabilities, posing a bigger threat to businesses worldwide.  What is Zeoticus Ransomware? Zeoticus is a relatively new malware sample that appeared in the cyber threat arena in December […]

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Quasar RAT: Detecting Malicious Successors

Quasar remote administration tool (RAT) is a multi-functional and light-weight malware actively used by APT actors since 2014. Quasar’s code is publicly available as an open-source project, which makes the Trojan extremely popular among adversaries due to its broad customization options. As a result, a variety of samples exist inside the Quasar malware family. Many […]

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Affiliates vs Hunters: Fighting the DarkSide

Introduction On August 2020 a new type of malware, belonging to the Ransomware category, appeared in the cyber threat landscape. Threat actor responsible for its development called it “DarkSide” and, like others piece of malware of this type, is operated in Big Game Hunting (BGH) campaigns. Around more or less the same time, a DLS […]

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Warzone RAT Malware Used by Confucius APT in Targeted Attacks

Security researchers have spotted an ongoing Confucius APT campaign that leverages Warzone RAT malware to compromise its targets. The campaign is presumably aimed at the governmental sector of China and other South Asia countries. Warzone RAT Description Warzone remote access Trojan (RAT), a prolific successor of AveMaria stealer, first emerged in 2018 as a malware-as-a-service […]

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DoppelPaymer Ransomware Detection

DoppelPaymer ransomware is gaining momentum as a leading threat to critical infrastructure assets. According to the FBI warning released in December 2020, DoppelPaymer has targeted multiple organizations in healthcare, educational, governmental and other sectors. The attack routine is highly sophisticated and aggressive, allowing its operators to extort six- and seven-digit ransoms from their victims. Notably, […]

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