VB Blog

VB2014 video: .NET malware dynamic instrumentation for automated and manual analysis

Posted by Virus Bulletin on Feb 13, 2015

Hexiang Hu used tool to detect Bladabindi backdoor.

Posted by Virus Bulletin on Feb 12, 2015

Twitter, Yahoo! amongst early participants in 'ThreatExchange'.

Posted by Virus Bulletin on Feb 11, 2015

Security vendors to receive alerts when legitimate files are detected as malicious.

Posted by Virus Bulletin on Feb 10, 2015

Fabio Assolini explains how cybercriminals are targeting boletos.

Posted by Virus Bulletin on Feb 5, 2015

CVE-2015-0313 used in the wild as long ago as December.

Posted by Virus Bulletin on Feb 5, 2015

Wei Xu and his colleagues attempt to block domains before they're used for bad purposes.

Posted by Virus Bulletin on Feb 4, 2015

Many decent performances in VB's latest comparative spam filter test.

Posted by Virus Bulletin on Feb 3, 2015

It is not as important as is often suggested — and doesn't mean the malware is allowed to execute.

Posted by Virus Bulletin on Feb 2, 2015

To break into security, start by getting a job in the industry.

Posted by Virus Bulletin on Feb 2, 2015

Encryption first added as a patch, key only removed when all backups are encrypted.

Previous1...5859606162...215Next

Search blog

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/

Stuxnet infected Natanz plant via carefully selected targets rather than escape from it

Five initial victims of infamous worm named.
Five initial victims of infamous worm named. Today, as Wired journalist Kim Zetter publishes her book Countdown to Zero Day on Stuxnet, researchers from Kaspersky and Symantec… https://www.virusbulletin.com/blog/2014/11/stuxnet-infected-natanz-plant-carefully-selected-targets-rather-escape-it/

Paper: Learning about Bflient through sample analysis

Flexible module-handling mechanism allows malware to adjust functionalities at will.
Flexible module-handling mechanism allows malware to adjust functionalities at will. The history of the 'Bflient' worm goes back to the discovery of its first variants in June… https://www.virusbulletin.com/blog/2014/07/paper-learning-about-bflient-through-sample-analysis/

Flame worm one of the most complex threats ever discovered

Malware possibly used for cyber-espionage.
Malware possibly used for cyber-espionage. The jury is out on whether 'Flame' (also known as 'Flamer' or 'Skywiper') is 'the most lethal cyberweapon to date' as some have claimed,… https://www.virusbulletin.com/blog/2012/05/flame-worm-one-most-complex-threats-ever-discovered/

Contract spam serving malware

Recipients made to believe they have been sent emails accidentally.
Recipients made to believe they have been sent emails accidentally. In a new campaign, spammers are sending out emails that have appear to have contracts attached to them, but… https://www.virusbulletin.com/blog/2010/05/contract-spam-serving-malware/

Worm targets MS08-067 vulnerability

Exploit attack patches flaw once system penetrated.
Exploit attack patches flaw once system penetrated. A worm has been seen taking advantage of the vulnerability in Microsoft's Windows Server Service, patched out-of-cycle last… https://www.virusbulletin.com/blog/2008/12/worm-targets-ms08-067-vulnerability/

Microsoft issues emergency patch

Out-of-cycle update fixes serious, wormable flaw.
Out-of-cycle update fixes serious, wormable flaw.Microsoft has issued an emergency update to cover a serious vulnerability in the Windows Server service, breaking its usual monthly… https://www.virusbulletin.com/blog/2008/10/microsoft-issues-emergency-patch/

Trojan-to-worm automation tool spotted

GUI gizmo adds extra spreading menace to any malware.
GUI gizmo adds extra spreading menace to any malware. Researchers at Panda have discovered a simple and colourful graphical application designed to add basic worm techniques to… https://www.virusbulletin.com/blog/2008/06/trojan-worm-automation-tool-spotted/

Google Groups and Blogspot used to serve malware

Company finds own IP address to be serving most malware.
Company finds own IP address to be serving most malware.Malware writers have created thousands of Google Groups with the sole purpose of serving malware, Sunbelt reports. On the… https://www.virusbulletin.com/blog/2008/04/google-groups-and-blogspot-used-serve-malware/

April Storm

April Fools' Day emails contain new variant of infamous worm.
April Fools' Day emails contain new variant of infamous worm. Security researchers report a new wave of spam emails being sent out. The emails, which use subject lines such as… https://www.virusbulletin.com/blog/2008/04/april-storm/

Microsoft research revives 'friendly worm' ideas

Malware techniques proposed as update-spreading method.
Malware techniques proposed as update-spreading method. A group of Microsoft researchers have put forward proposals to use worm techniques to spread patches and updates across… https://www.virusbulletin.com/blog/2008/02/microsoft-research-revives-friendly-worm-ideas/

First virus-writing arrests in Japan

Winny worm authors brought to book - for copyright violation.
Winny worm authors brought to book - for copyright violation. Japan has seen its first ever arrests of virus writers, with three men taken into custody in Kyoto last week and… https://www.virusbulletin.com/blog/2008/01/first-virus-writing-arrests-japan/

Polyglot worm spreads through MSN

Worm changes language to target wide audience.
Worm changes language to target wide audience. A new worm has been discovered that spreads through MSN Messenger. Once active, the worm opens random TCP ports to connect to an IRC… https://www.virusbulletin.com/blog/2008/01/polyglot-worm-spreads-through-msn/

Symbian worm sighted in the wild

Malware pretends to be media or image file.
Malware pretends to be media or image file. A new worm has been sighted in the wild that operates on the Symbian operating system, which is used on many mobile phones. The worm,… https://www.virusbulletin.com/blog/2008/01/symbian-worm-sighted-wild/

Batch of Dutch MP3 players ships with malware

Worm included as unwanted extra for music lovers.
Worm included as unwanted extra for music lovers. A shipment of MP3 players sold in recent months by Dutch firm Victory has been found to be infected with the Fujacks worm, which… https://www.virusbulletin.com/blog/2008/01/batch-dutch-mp3-players-ships-malware/

Fujacks/Panda virus authors sentenced, offered job

Fujacks author put away for four years.
Fujacks author put away for four years. Four men who were charged last month with writing, selling and spreading the W32/Fujacks virus and worm (a.k.a. the 'Panda burning… https://www.virusbulletin.com/blog/2007/09/fujacks-panda-virus-authors-sentenced-offered-job/

New worm spreading via Skype

Multilingual malware posing as porn in chat messages.
Multilingual malware posing as porn in chat messages. VoIP and chat system Skype has been targeted by another worm, sending chat messages to harvested contacts posing as links to… https://www.virusbulletin.com/blog/2007/09/new-worm-spreading-skype/

Four charged with writing Fujacks

Malware authors and sellers appear in Chinese court.
Malware authors and sellers appear in Chinese court. Four men have appeared in a public court in Hubei Province, China, charged with writing, selling and spreading the W32/Fujacks… https://www.virusbulletin.com/blog/2007/08/four-charged-writing-fujacks/

AVK tops latest AV-Test charts

Top four beat 99% in large collection scan.
Top four beat 99% in large collection scan. Testers at AV-Test.org have run 29 products over a massive collection of malware samples, with detection rates measured against 874,822… https://www.virusbulletin.com/blog/2007/08/avk-tops-latest-av-test-charts/

Trojans and worms hiding behind games

Mario latest lure to hook victims on malware.
Mario latest lure to hook victims on malware. Social engineering techniques used to trick computer users into running malicious code on their systems concentrate around simple… https://www.virusbulletin.com/blog/2007/08/trojans-and-worms-hiding-behind-games/

« Previous 12 Next »