[Updated] Infected CCleaner downloads from official servers

Update 9/19/2017: Avast posted a clarification explaining what happened and giving a timeline of the events. One point we should take note of is that the breach preceded the take-over of Piriform by Avast. Users that are unsure whether they were affected by this and whether their data may have be...

CCleaner Software Hacked with Backdoor; 2 Million Users Infected

By Waqas Hackers have illegally modified Avast-owned CCleaner by establishing a backdoor This is a post from HackRead.com Read the original post: CCleaner Software Hacked with Backdoor; 2 Million Users Infected...

Warning: CCleaner Hacked to Distribute Malware; Over 2.3 Million Users Infected

If you have downloaded or updated CCleaner application on your computer between August 15 and September 12 of this year from its official website, then pay attention—your computer has been compromised. CCleaner is a popular application with over 2 billion downloads, created by Piriform and recent...

Avast aswSnx.sys Kernel Driver 11.1.2253 Memory Corruption

/ Author: bee13oy BSoD on Windows 7 x86 / Windows 10 x86 + Avast Premier / Avast Free Antivirus 11.1.2253 Source: https://github.com/bee13oy/AVKernelVulns/tree/master/Avast/aswSnxBSoD2ZDI-16-681 There is a Memory Corruption Vulnerability in aswSnx.sys when DeviceIoControl API is called with ioctl...

Avast Antivirus Local Elevation of Privilege Vulnerability

Avast Antivirus is a suite of antivirus software from the Czech company Avast. A security vulnerability exists in the aswSnx.sys kernel of Avast Antivirus. A local attacker can exploit this vulnerability to gain root privileges...

Avast aswSnx.sys Kernel Driver 11.1.2253 - Memory Corruption Privilege Escalation Exploit

Exploit for windows platform in category dos / poc / Author: bee13oy BSoD on Windows 7 x86 / Windows 10 x86 + Avast Premier / Avast Free Antivirus 11.1.2253 Source: https://github.com/bee13oy/AVKernelVulns/tree/master/Avast/aswSnxBSoD2ZDI-16-681 There is a Memory Corruption Vulnerability in...

Avast aswSnx.sys Kernel Driver 11.1.2253 - Memory Corruption Privilege Escalation

Avast aswSnx.sys Kernel Driver 11.1.2253 - Memory Corruption Privilege Escalation / Author: bee13oy BSoD on Windows 7 x86 / Windows 10 x86 + Avast Premier / Avast Free Antivirus 11.1.2253 Source: https://github.com/bee13oy/AVKernelVulns/tree/master/Avast/aswSnxBSoD2ZDI-16-681 There is a Memory...

Avast aswSnx.sys Kernel Driver 11.1.2253 - Memory Corruption Privilege Escalation

/ Author: bee13oy BSoD on Windows 7 x86 / Windows 10 x86 + Avast Premier / Avast Free Antivirus 11.1.2253 Source: https://github.com/bee13oy/AVKernelVulns/tree/master/Avast/aswSnxBSoD2ZDI-16-681 There is a Memory Corruption Vulnerability in aswSnx.sys when DeviceIoControl API is called with ioctl...

Microsoft Issues WanaCrypt Patch for Windows 8, XP

Microsoft Corp. today took the unusual step of issuing security updates to address flaws in older, unsupported versions of Windows -- including Windows XP and Windows 8. The move is a bid to slow the spread of the WanaCrypt ransomware strain that infected tens of thousands of Windows computers...

U.K. Hospitals Hit in Widespread Ransomware Attack

At least 16 hospitals in the United Kingdom are being forced to divert emergency patients today after computer systems there were infected with ransomware, a type of malicious software that encrypts a victim's documents, images, music and other files unless the victim pays for a key to unlock the...

Avast Free Antivirus aswSnx Kernel Driver Untrusted Pointer Dereference Privilege Escalation Vulnerability

This vulnerability allows attackers to elevate their privileges on vulnerable installations of Avast Free Antivirus. Authentication is not required to exploit this vulnerability. The specific flaw exists within processing of the 0x82ac0170 IOCTL by the aswSnx driver in the kernel. An address pass...

Avast Pro Antivirus Multiple Vulnerabilities

Avast Pro Antivirus is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2017 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 CPE = "cpe:/a:avast:avastproantivirus...

Avast Free Antivirus Multiple Vulnerabilities

Avast Free Antivirus is prone to multiple vulnerabilities. Copyright C 2017 Greenbone Networks GmbH 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-or-later This program is free software; yo...

Avast Antivirus Security Bypass Vulnerability

Avast Antivirus is a suite of antivirus software from the Czech company Avast. A security vulnerability exists in Avast Antivirus version 17. The vulnerability can be exploited by an attacker to bypass the Self-Defense feature...

Avast Antivirus Arbitrary File Deletion Vulnerability

Avast Antivirus is a suite of antivirus software from the Czech company Avast. An arbitrary file deletion vulnerability exists in versions prior to Avast Antivirus 17. An attacker can exploit this vulnerability to replace or delete arbitrary files...

CVE-2017-8308

In Avast Antivirus before v17, an unprivileged user and thus malware or a virus can mark an arbitrary process as Trusted from the perspective of the Avast product. This bypasses the Self-Defense feature of the product, opening a door to subsequent attack on many of its components...

CVE-2017-8307

In Avast Antivirus before v17, using the LPC interface API exposed by the AvastSVC.exe Windows service, it is possible to launch predefined binaries, or replace or delete arbitrary files. This vulnerability is exploitable by any unprivileged user when Avast Self-Defense is disabled. It is also...

Design/Logic Flaw

In Avast Antivirus before v17, using the LPC interface API exposed by the AvastSVC.exe Windows service, it is possible to launch predefined binaries, or replace or delete arbitrary files. This vulnerability is exploitable by any unprivileged user when Avast Self-Defense is disabled. It is also...

CVE-2017-8307

In Avast Antivirus before v17, using the LPC interface API exposed by the AvastSVC.exe Windows service, it is possible to launch predefined binaries, or replace or delete arbitrary files. This vulnerability is exploitable by any unprivileged user when Avast Self-Defense is disabled. It is also...

CVE-2017-8308

In Avast Antivirus before v17, an unprivileged user and thus malware or a virus can mark an arbitrary process as Trusted from the perspective of the Avast product. This bypasses the Self-Defense feature of the product, opening a door to subsequent attack on many of its components...