Malware

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 25, 2021
Unknown ransomware gang uses SQL injection bug in BillQuick Web Suite to deploy ransomware

An unknown ransomware gang leverages a critical SQL injection flaw in the BillQuick Web Suite time and billing solution to deploy ransomware. An unknown ransomware gang is exploiting a critical SQL injection flaw, tracked as CVE-2021-42258, in the popular billing software suite BillQuick Web Suite time to deploy ransomware. The attacks were first spotted this month […]

Pierluigi Paganini October 25, 2021
Emsisoft created a free decryptor for past victims of the BlackMatter ransomware

Experts from cybersecurity firm Emsisoft announced the availability of a free decryptor for past victims of the BlackMatter ransomware. Cybersecurity firm Emsisoft has released a free decryption tool for past victims of the BlackMatter ransomware. The researchers found a vulnerability in the encryption process implemented in the BlackMatter ransomware that allowed them to recover encrypted […]

Pierluigi Paganini October 23, 2021
Supply-chain attack on NPM Package UAParser, which has millions of daily downloads

The U.S. CISA warned of crypto-mining malware hidden in a popular JavaScript NPM library, named UAParser.js, which has millions of weekly downloads. The U.S. Cybersecurity and Infrastructure Security Agency published an advisory to warn of the discovery of a crypto-mining malware in the popular NPM Package UAParser.js. The popular library has million of weekly downloads. “Versions of a popular […]

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
DarkSide ransomware operators move 6.8M worth of Bitcoin after REvil shutdown

Darkside and BlackMatter ransomware operators have moved a large amount of their Bitcoin reserves after the recent shutdown of REvil’s infrastructure. The gangs behind the Darkside and BlackMatter ransomware operations have moved 107 BTC ($6.8 million) after the news of the recent shutdown of REvil’s infrastructure by law enforcement agencies. “The ransomware group REvil was […]

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
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 […]