VB Blog

VB2017 paper: Nine circles of Cerber

Posted by   Martijn Grooten on   Dec 15, 2017

Cerber is one of the major names in the world of ransomware, and last year, Check Point released a decryption service for the malware. Today, we publish a VB2017 paper by Check Point's Stanislav Skuratovich describing how the Cerber decryption tool worked; we have also uploaded the video of the presentation of this paper, by Or Eshed and Yaniv Balmas.

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Attack on Fox-IT shows how a DNS hijack can break multiple layers of security

Posted by   Martijn Grooten on   Dec 14, 2017

Dutch security firm Fox-IT deserves praise for being open about an attack on its client network. There are some important lessons to be learned about DNS security from its post-mortem.

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Throwback Thursday: BGP - from route hijacking to RPKI: how vulnerable is the Internet?

Posted by   Martijn Grooten on   Dec 14, 2017

For this week's Throwback Thursday, we look back at the video of a talk Level 3's Mike Benjamin gave at VB2016 in Denver, on BGP and BGP hijacks.

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Security Planner gives security advice based on your threat model

Posted by   Martijn Grooten on   Dec 13, 2017

Citizen Lab's Security Planner helps you improve your online safety, based on the specific threats you are facing.

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

Posted by   Martijn Grooten on   Dec 11, 2017

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.

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VB2017 paper: Modern reconnaissance phase on APT – protection layer

Posted by   Martijn Grooten on   Dec 7, 2017

During recent research, Cisco Talos researchers observed the ways in which APT actors are evolving and how a reconnaissance phase is included in the infection vector in order to protect valuable zero-day exploits or malware frameworks. At VB2017 in Madrid, two of those researchers, Paul Rascagneres and Warren Mercer, presented a paper detailing five case studies that demonstrate how the infection vector is evolving. Today we publish both Paul and Warren's paper and the recording of their presentation.

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VB2017 paper: Peering into spam botnets

Posted by   Martijn Grooten on   Dec 1, 2017

At VB2017 in Madrid, CERT Poland researchers Maciej Kotowicz and Jarosław Jedynak presented a paper detailing their low-level analysis of five spam botnets. Today we publish their full paper.

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Throwback Thursday: Anti-malware testing undercover

Posted by   Martijn Grooten on   Nov 30, 2017

We look back at the VB2016 presentation by Righard Zwienenberg (ESET) and Luis Corrons (Panda Security), in which they discussed various issues relating to anti-malware testing.

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Virus Bulletin relaunches VB Security Jobs Market for both employers and job seekers

Posted by   Martijn Grooten on   Nov 30, 2017

As an independent body in the IT security industry, Virus Bulletin is in an ideal position to act as a global source of information both about jobs currently available in the field and about those candidates currently seeking to start or progress their career in the industry - which is why we have relaunched the VB Security Jobs Market.

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VB2017 paper: Offensive malware analysis: dissecting OSX/FruitFly.B via a custom C&C server

Posted by   Martijn Grooten on   Nov 29, 2017

At VB2017 in Madrid, macOS malware researcher Patrick Wardle presented the details of a specific piece of Mac malware, FruitFly, which he analysed through a custom C&C server - a technique that will also be of interest for researchers of malware on other platforms. Today we publish both Patrick's paper and the recording of his presentation.

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Search blog

VirusTotal project aims to remediate false positives

Security vendors to receive alerts when legitimate files are detected as malicious.
Security vendors to receive alerts when legitimate files are detected as malicious.False positives are a huge problem for the IT industry in general and for security products in… https://www.virusbulletin.com/blog/2015/02/virustotal-project-aims-remediate-false-positives/

IEEE announces Anti-Malware Support Service

'Software taggant system' and 'clean file metadata exchange' discussed at previous VB conferences.
'Software taggant system' and 'clean file metadata exchange' discussed at previous VB conferences. Wouldn't it be nice if providers of software packers included a licence key in… https://www.virusbulletin.com/blog/2014/03/ieee-announces-anti-malware-support-service/

Sophos red flags Google Analytics

Popular analytics tool mistakenly flagged as 'high risk'.
Popular analytics tool mistakenly flagged as 'high risk'. Security firm Sophos had an embarrassing moment this morning when its scanner flagged Google Analytics as malicious.… https://www.virusbulletin.com/blog/2011/06/sophos-red-flags-google-analytics/

Keylogger on Samsung laptops proves to be false alarm

AV product wrongly flags malware based on existence of directory.
AV product wrongly flags malware based on existence of directory. A number of security bloggers raised concern yesterday about the apparent presence of a keylogger on Samsung… https://www.virusbulletin.com/blog/2011/03/keylogger-samsung-laptops-proves-be-false-alarm/

McAfee offers payments to cover FP cleanup costs

Compensation for faulty update victims could set precedent.
Compensation for faulty update victims could set precedent. Victims of the erroneous McAfee DAT update last month are being offered cash payments to cover costs incurred in fixing… https://www.virusbulletin.com/blog/2010/05/mcafee-offers-payments-cover-fp-cleanup-costs/

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/

Serious false positive hits users of old McAfee engines

Batch of system files wrongly flagged as malware, current versions not affected.
Batch of system files wrongly flagged as malware, current versions not affected. An update released by McAfee last week resulted in problems around the world, as some vital system… https://www.virusbulletin.com/blog/2009/07/serious-false-positive-hits-users-old-mcafee-engines/

VB announces latest VBSpam certification results

Two products achieve top level VBSpam Platinum award.
Two products achieve top level VBSpam Platinum award. Virus Bulletin has announced the results of its second comparative review of anti-spam products, revealing two top-level… https://www.virusbulletin.com/blog/2009/07/vb-announces-latest-vbspam-certification-results/

DKIM usage shows significant growth

US banks urged to use authentication method
US banks urged to use authentication method In a report on its website, Internet giant Cisco states it has been seeing almost 700,000 non-spam messages that contain valid DKIM… https://www.virusbulletin.com/blog/2009/06/dkim-usage-shows-significant-growth/

McAfee false positive flags Vista component

Innocent file labelled trojan.
Innocent file labelled trojan.McAfee has updated one of its detections after a faulty update led to an integral component of the Windows Vista operating system being falsely… https://www.virusbulletin.com/blog/2008/10/mcafee-false-positive-flags-vista-component/

Tough weekend for AV giants as FPs and DNS issues hit

Trend false alert cripples users' systems, Sophos sites taken out by DNS mixup.
Trend false alert cripples users' systems, Sophos sites taken out by DNS mixup. Two of the larger security firms, Trend Micro and Sophos, had a busy weekend cleaning up after… https://www.virusbulletin.com/blog/2008/09/tough-weekend-av-giants-fps-and-dns-issues-hit/

NOD32 alerts on suspect adverts

False positive reveals sneaky techniques used in ads.
False positive reveals sneaky techniques used in ads.ESET's NOD32 product was updated several times in close succession over the weekend, as false positives were introduced… https://www.virusbulletin.com/blog/2007/07/nod32-alerts-suspect-adverts/

Symantec sued for false positive

Chinese FP issue leads to court case.
Chinese FP issue leads to court case. A Chinese lawyer has begun court proceedings against security firm Symantec, claiming damages as a result of the widely-publicised false… https://www.virusbulletin.com/blog/2007/06/symantec-sued-false-positive/

Norton FP trashes Chinese systems

Vital DLLs flagged as malware disable Windows XP across China.
Vital DLLs flagged as malware disable Windows XP across China. A serious false positive, caused by an erroneous update to Symantec's Norton Anti-virus product range issued late… https://www.virusbulletin.com/blog/2007/05/norton-fp-trashes-chinese-systems/

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