malware

Pierluigi Paganini October 26, 2021
Ranzy Locker ransomware hit tens of US companies in 2021

The FBI published a flash alert to warn of the activity of the Ranzy Locker ransomware that had already compromised tens of US companies. The FBI published a flash alert to warn of Ranzy Locker ransomware operations that had already compromised at least 30 US companies this year. The gang has been active since at […]

Pierluigi Paganini October 26, 2021
UltimaSMS subscription fraud campaign targeted millions of Android users

UltimaSMS, a massive fraud campaign is using Android apps with million of downloads to subscribe victims to premium subscription services. Researchers from Avast have uncovered a widespread premium SMS scam on the Google Play Store, tracked as UltimaSMS, the name comes from the first apps they discovered called Ultima Keyboard 3D Pro. Threat actors used at […]

Pierluigi Paganini October 22, 2021
Groove ransomware group calls on other ransomware gangs to hit US public sector

Groove ransomware operators call on other ransomware groups to stop competing and join the forces to fight against the US. The Groove ransomware gang is calling on other ransomware groups to attack US public sector after a an operation of of law enforcement shut down the infrastructure of the REvil gang. “The ransomware group REvil […]

Pierluigi Paganini October 22, 2021
FIN7 cybercrime gang creates fake cybersecurity firm to recruit pentesters for ransomware attacks

FIN7 hacking group created fake cybersecurity companies to hire experts and involve them in ransomware attacks tricking them of conducting a pentest. The FIN7 hacking group is attempting to enter in the ransomware business and is doing it with an interesting technique. The gang space creates fake cybersecurity companies that hire experts requesting them to […]

Pierluigi Paganini October 22, 2021
FiveSys, a new digitally-signed rootkit spotted by Bitdefender experts

Bitdefender researchers discovered a new Rootkit named FiveSys that abuses Microsoft-Issued Digital Signature signature to evade detection. FiveSys is a new rootkit discovered by researchers from Bitdefender, it is able to evade detection by abusing a Microsoft-issued digital signature. Driver packages that pass Windows Hardware Lab Kit (HLK) testing can be digitally-signed by Microsoft WHQL (Windows Hardware Quality […]

Pierluigi Paganini October 21, 2021
Evil Corp rebrands their ransomware, this time is the Macaw Locker

Evil Corp cybercrime gang is using a new ransomware called Macaw Locker to evade US sanctions that prevent victims from paying the ransom. Evil Corp has launched a new ransomware called Macaw Locker to evade US sanctions that prevent victims from making ransom payments. Bleeping Computer, citing Emsisoft CTO Fabian Wosar, reported that the Macaw […]

Pierluigi Paganini October 20, 2021
YouTube creators’ accounts hijacked with cookie-stealing malware

A Cookie Theft malware was employed in phishing attacks against YouTube creators, Google’s Threat Analysis Group (TAG) warns. Financially motivated threat actors are using Cookie Theft malware in phishing attacks against YouTube creators since late 2019. According to Google’s Threat Analysis Group (TAG) researchers, who spotted the campaign, the attacks were launched by multiple hack-for-hire […]

Pierluigi Paganini October 20, 2021
PurpleFox botnet variant uses WebSockets for more secure C2 communication

Researchers warn of a new evolution of the PurpleFox botnet, operators included exploits and leverage WebSockets for C2 communication. Researchers from TrendMicro have documented a recent evolution of the PurpleFox botnet, the experts discovered a new .NET backdoor, dubbed FoxSocket, that is highly associated with the PurpleFox operation. Its operators have added new exploits and […]

Pierluigi Paganini October 20, 2021
China-linked LightBasin group accessed calling records from telcos worldwide

China-linked cyberespionage group LightBasin hacked mobile telephone networks around the world and used specialized tools to access calling records. A China-linked hacking group, tracked as LightBasin (aka UNC1945), hacked mobile telephone networks around the globe and used specialized tools to access calling records and text messages from telecommunications companies. The cyberespionage group has been active […]

Pierluigi Paganini October 19, 2021
Experts found many similarities between the new Karma Ransomware and Nemty variants

Sentinel Labs experts have analyzed the new Karma ransomware and speculate it represents an evolution of the Nemty ransomware operation. Karma ransomware is a new threat that was first spotted in June of 2021, it is important to distinguish it from a different threat with the same name that is active since 2016. Sentinel Labs […]