More Attacks against Computer Automatic Update Systems

Last month, Kaspersky discovered that Asus's live update system was infected with malware, an operation it called Operation Shadowhammer. Now we learn that six other companies were targeted in the same operation. As we mentioned before, ASUS was not the only company used by the attackers. Studyin...

CCleaner Adds Data Collection Feature With No Way to Opt-Out

Like many others, do you also believe that the popular system-cleaning tool CCleaner was performing well before Avast acquired the software from Piriform last year? If yes, then pop-up advertisements in the previous CCleaner software version was not the last thing you have to deal with. Avast has...

CCleaner Adds Data Collection Feature With No Way to Opt-Out

Like many others, do you also believe that the popular system-cleaning tool CCleaner was performing well before Avast acquired the software from Piriform last year? If yes, then pop-up advertisements in the previous CCleaner software version was not the last thing you have to deal with. Avast has...

Stolen D-Link Certificate Used to Digitally Sign Spying Malware

Digitally signed malware has become much more common in recent years to mask malicious intentions. Security researchers have discovered a new malware campaign misusing stolen valid digital certificates from Taiwanese tech-companies, including D-Link, to sign their malware and making them look lik...

CCleaner Portable Detection (Windows SMB Login)

SMB login and WMI file search based detection of CCLeaner Portable. SPDX-FileCopyrightText: 2018 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

CCleaner Attack Timeline—Here's How Hackers Infected 2.3 Million PCs

Last year, the popular system cleanup software CCleaner suffered a massive supply-chain malware attack of all times, wherein hackers compromised the company's servers for more than a month and replaced the original version of the software with the malicious one. The malware attack infected over 2...

CCleaner Attackers Intended To Deploy Keylogger In Third Stage

CANCUN, Mexico – As investigations continue into a backdoor that was planted in the CCleaner utility in 2017, Avast said it has found that the threat actors behind the attack were planning to install a third round of ShadowPad malware on compromised computers. Avast, which acquired the maker of...

2017 in Snort Signatures.

This post was written by Martin Lee and Vanja Svajcer. 2017 was an eventful year for cyber security with high profile vulnerabilities that allowed self-replicating worm attacks such as WannaCry and BadRabbit to impact organizations throughout the world. In 2017, Talos researchers discovered many...

Disassembler and Runtime Analysis

This post was authored by Paul Rascagneres.IntroductionIn the CCleaner 64bit stage 2 previously described in our blog, we explained that the attacker modified a legitimate executable that is part of "Symantec Endpoint". This file is named EFACli64.dll. The modification is performed in the runtime...

A week in security (October 02 – October 08)

Last week, we gave you some tips for National Cybersecurity Awareness Month, walked through an exploration of a small adware file, and explored the complicated world of the Homograph attack. Here's what else happened in security. VB2017 Many of our team members attended VB2017 in Madrid, one of t...

Inside the CCleaner Backdoor Attack

MADRID—As the investigation continues into the backdoor planted inside CCleaner, two members of parent company Avast’s threat intelligence team said today the desktop and cloud versions of the popular software contained different payloads. The revelation was made during a talk at Virus Bulletin...

CCleaner Malware: Here is the Full List of Affected Companies

By Waqas Last week news came out that CCleaner software was infected This is a post from HackRead.com Read the original post: CCleaner Malware: Here is the Full List of Affected Companies...

A week in security (September 18 – September 24)

Last week, we kept you updated on our blog about the infected versions of CCleaner that were offered as downloads on the official servers. We also warned you against a fake IRS notice that delivers a customized spying tool, some of the threats currently facing gamers, and a Netflix scam that has...

CCleaner Backdoor Attack: A State-sponsored Espionage Campaign

By Waqas Infected CCleaner Software Attack that Affected 700,000 Customers is part This is a post from HackRead.com Read the original post: CCleaner Backdoor Attack: A State-sponsored Espionage Campaign...

This Week in Security News

Welcome to our weekly roundup, where we share what you need to know about the cybersecurity news and events that happened over the past few days. Below you’ll find a quick recap of topics followed by links to news articles and/or our blog posts providing additional insight. Be sure to check back...

CCleaner Malware Infects Big Tech Companies With Second Backdoor

The group of unknown hackers who hijacked CCleaner's download server to distribute a malicious version of the popular system optimization software targeted at least 20 major international technology companies with a second-stage payload. Earlier this week, when the CCleaner hack was reported,...

CCleaner Command and Control Causes Concern

This post was authored by Edmund Brumaghin, Earl Carter, Warren Mercer, Matthew Molyett, Matthew Olney, Paul Rascagneres and Craig Williams.Note: This blog post discusses active research by Talos into a new threat. This information should be considered preliminary and will be updated as research...

September 20, 2017 – Morning Cyber Coffee Headlines – “Pizza” Edition

Good morning! Sit with Carbon Black this morning over a cup of coffee or tea and browse a few industry headlines to get the day started. We’ve got just enough information below to get you through that first cup…enjoy! September 20, 2017 - Headlines Carbon Black in the News: Moving forward – and...

Beers with Talos EP 13:A Vast CCleanup, Strutting Your Stuff, and the Ex$ploit Economy

Beers with Talos BWT Podcast Episode 13 is now available. Download this episode and subscribe to Beers with Talos:If iTunes and Google Play aren't your thing: a href="ht...

Malware That Can’t Clean Its Tracks: CCleaner and Ongoing Supply-Chain Attacks

A new malware compromise identified this week was using malware officially signed and provided by its software manufacturer for public download by millions of people. It’s a move that started the week for many organizations in a state of worry. This week, the Cisco Talos research team disclosed...