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Malware

Avast execs explain CCleaner cyberattack

Avast executives today attempted clarify and mitigate the public relations damage done when its CCleaner computer maintenance app was discovered to have exposed 2 million users by saying the malware was likely injected prior to Avast's purchase of CCleaner and that to their knowledge no harm came to anyone.
Malware

CCleaner attackers gained access to app developer’s network via TeamViewer

The adversaries who infected 2.27 million machines last year using a modified version of the computer maintenance app CCleaner were able to pull off the supply chain attack by gaining unauthorized access to the developer’s network using the remote desktop access program TeamViewer. Ondrej Vlcek, EVP and GM of the consumer business unit at Avast Software, the…
Cybercrime, Legal, Malware, Security News

Authorities free 850,000 machines from grasp of Retadup worm

Law enforcement authorities rescued roughly 850,000 machines that were infected with Retadup malware by replacing the command-and-control infrastructure with a disinfection server, causing the worm to self-destruct. The operation took place last July under the auspices of the French National Gendarmerie’s Cybercrime Fighting Center and the FBI, and was significantly aided by researchers at Avast,…
Cybercrime, IoT, Malware, Security News

Torii malware could be gateway to more sophisticated IoT botnet attacks

Researchers have discovered yet another Internet of Things botnet derived from Mirai — but instead of conducting DDoS attacks or cryptomining like most variants, this one’s core functionality is exfiltrating information and executing malicious commands. Making matters worse, the malware’s potential target list is unusually large, considering that it supports attacks against a variety of…
Finance, Malware, Mobile Security, Ransomware, Security News

WannaLocker ransomware found combined with RAT and banking trojan

Researchers are warning that a new version of WannaLocker – essentially a mobile derivative of WannaCry ransomware – has been enhanced with spyware, remote access trojan and banking trojan capabilities. Cybercriminals have been using the all-in-one malware package in a campaign targeting Brazilian banks and their Android mobile customers, according to a July 1 blog…
Cybercrime, Finance, Malware, Mobile Security, Security News

Criminals’ security lapses enable discovery of Geost mobile banking trojan

Thanks in no small part to the perpetrators’ own sloppy operational security, researchers have uncovered a large Android banking trojan scheme that may have impacted hundreds of millions of Russians. Dubbed Geost, the malware is distributed via a malicious cybercriminal botnet operation consisting of 13 command-and-control servers and more than 140 malicious domains, according to…
APTs/cyberespionage, Malware, Security News, Website/Web Server Security

DNSpionage actors adjust tactics, debut new remote administration tool

The actors responsible for the DNSpionage DNS hijacking campaign have altered some of their tactics, techniques and procedures (TTPs), introducing a new reconnaissance phase as well as a new malicious remote administration tool called Karkoff. Discovered last November, the operation primarily targets Lebanon- and United Arab Emirates-affiliated .gov domains, commandeering the websites’ DNS servers so…
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