VB Blog

Paper: Inside the iOS/AdThief malware

Posted by Virus Bulletin on Aug 12, 2014

75,000 jailbroken iOS devices infected with malware that steals ad revenues.

Posted by Virus Bulletin on Aug 8, 2014

Short-lived network changes used to make miners connect to rogue pool.

Posted by Virus Bulletin on Aug 7, 2014

Despite short spike, image spam no problem for spam filters.

Posted by Virus Bulletin on Aug 6, 2014

Tool uses private keys found in database of victims.

Posted by Virus Bulletin on Aug 4, 2014

RAT gets instructions from Yahoo Mail address.

Posted by Virus Bulletin on Jul 30, 2014

Flexible module-handling mechanism allows malware to adjust functionalities at will.

Posted by Virus Bulletin on Jul 29, 2014

29 out of 35 tested products earn VB100 award.

Posted by Virus Bulletin on Jul 21, 2014

Seven speaking slots waiting to be filled with presentations on 'hot' security topics.

Posted by Virus Bulletin on Jul 17, 2014

New kind of malware has the functions of a traditional Windows bot, but can act under restricted privileges in the system.

Posted by Virus Bulletin on Jul 16, 2014

Bugs to be reported to the vendor only, and to become public once patched.

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VB2019 paper: Spoofing in the reeds with Rietspoof

In a VB2019 paper Avast researchers Jan Sirmer, Luigino Camastra and Adolf Středa revealed full details of the Rietspoof malware. Today we publish their paper and the recording of the presentation given by Jan and Luigino in London.
Spoofing in the reeds with Rietspoof Read the paper (HTML) Download the paper (PDF) The Call for Papers for VB2020 in Dublin is open! Submit your abstract before… https://www.virusbulletin.com/blog/2020/01/vb2019-paper-spoofing-reeds-rietspoof/

VB2017 video: Spora: the saga continues a.k.a. how to ruin your research in a week

Today, we publish the video of the VB2017 presentation by Avast researcher Jakub Kroustek and his former colleague Előd Kironský, now at ESET, who told the story of Spora, one of of the most prominent ransomware families of 2017.
First discovered at the beginning of the year, the Spora ransomware has become one of of the most prominent ransomware families of 2017, especially in Russia, a region it appears… https://www.virusbulletin.com/blog/2017/12/vb2017-video-spora-saga-continues-k-how-ruin-your-research-week/

Malicious CCleaner update points to a major weakness in our infrastructure

Researchers from Cisco Talos have found that a recent version of the widely used CCleaner tool installed malware on the machine.
For the security community, 2017 might well be called the year of the update: two of the biggest security stories – the WannaCry outbreak and the Equifax breach – involved… https://www.virusbulletin.com/blog/2017/09/malicious-ccleaner-update-points-major-weakness-our-infrastructure/

Avast acquires AVG for $1.3bn

Anti-virus vendor Avast has announced the acquisition of its rival AVG for 1.3 billion US dollars.
There was interesting news in the anti-virus world yesterday, as Avast announced the acquisition of its competitor AVG. Both companies were founded in the Czech Republic and… https://www.virusbulletin.com/blog/2016/07/avast-acquires-avg-13bn/

Avast launches bug bounty programme

Security firm offers reward for info on bugs.
Security firm offers reward for info on bugs. Security firm Avast Software, producer of the popular avast! free anti-virus solution, has announced a bug bounty programme to… https://www.virusbulletin.com/blog/2013/01/avast-launches-bug-bounty-programme/

774,000 Avast! pirates on 14-user licence

Wildly popular free solution not good enough for some.
Wildly popular free solution not good enough for some. Leading provider of free anti-malware products Avast Software has spotted that a single 14-user licence key, issued last… https://www.virusbulletin.com/blog/2010/12/774-000-avast-pirates-14-user-licence/

Sophos joins free home AV crowd with Mac release

Business-focused firm takes first step into home-user arena.
Business-focused firm takes first step into home-user arena.Sophos has announced the release of a home-user edition of its Mac anti-malware solution, which is being given away free… https://www.virusbulletin.com/blog/2010/11/sophos-joins-free-home-av-crowd-mac-release/

Avast gets $100m investment boost

Growth equity firm invests in Czech firm
Growth equity firm invests in Czech firmAvast Software, the Czech anti-malware firm famous for its free avast! software, has announced that growth equity investor Summit Partners… https://www.virusbulletin.com/blog/2010/08/avast-gets-100m-investment-boost/

False positive problem hits avast! users

Human failure blamed for faulty update.
Human failure blamed for faulty update. A relatively small subsection of the massive user base for Alwil's ever-popular avast! products were hit by a string of false positives last… https://www.virusbulletin.com/blog/2009/12/false-positive-problem-hits-avast-users/

VB Blog

Paper: Inside the iOS/AdThief malware

$83k in bitcoins 'stolen' through BGP hijack

Report: 15 solutions achieve VBSpam award

Researchers release CryptoLocker decryption tool

Paper: IcoScript: using webmail to control malware

Paper: Learning about Bflient through sample analysis

Report: VB100 comparative review on Windows 7

Call for last-minute papers for VB2014 announced

Paper: Mayhem - a hidden threat for *nix web servers

Google's Project Zero to hunt for zero-days