VB Blog

Book review: Countdown to Zero Day

Posted by   Virus Bulletin on   Dec 18, 2014

Kim Zetter's book on Stuxnet is a must-read for anyone interested in malware - or in 21st century geopolitics.

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Virus Bulletin announces platinum sponsors for VB2015

Posted by   Virus Bulletin on   Dec 16, 2014

More sponsorship opportunities available.

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VB2014 paper: Smart home appliance security and malware

Posted by   Virus Bulletin on   Dec 15, 2014

Jeongwook Oh demonstrates how to hack a Samsung smart TV.

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Virus Bulletin is hiring

Posted by   Virus Bulletin on   Dec 8, 2014

VB seeks a Perl Developer / Security Engineer.

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Conference report: VB2014

Posted by   Virus Bulletin on   Nov 28, 2014

The biggest and broadest ranging Virus Bulletin conference ever was a great success.

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VB2014 paper: Labelling spam through the analysis of protocol patterns

Posted by   Virus Bulletin on   Nov 26, 2014

What do your IP packet sizes say about whether you're a spammer?

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Multi-staged, modular Regin tool enables stealthy surveillance

Posted by   Virus Bulletin on   Nov 24, 2014

Nation state likely behind campaign that goes back many years.

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Detekt tool searches PCs for traces of surveillance spyware

Posted by   Virus Bulletin on   Nov 24, 2014

Second opinion essential in circumstances under which likely victims operate.

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VB2014 paper: Sweeping the IP space: the hunt for evil on the Internet

Posted by   Virus Bulletin on   Nov 21, 2014

Dhia Mahjoub explains how the topology of the AS graph can be used to uncover hotspots of maliciousness.

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Botconf 2014 preview

Posted by   Virus Bulletin on   Nov 21, 2014

Many VB authors and presenters to speak at second botnet-fighting conference.

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Search blog

The VB2014 presentation you never saw. Early launch Android malware: your phone is 0wned

Malicious apps may have more privileges than security software.
Malicious apps may have more privileges than security software. There are many people without whom a Virus Bulletin conference wouldn't be possible: the VB team, the crew from Cue… https://www.virusbulletin.com/blog/2014/10/presentation-you-never-saw-early-launch-android-malware-your-phone-0wned/

Crypto blunder makes TorrentLocker easy to crack

Use of single XOR key leaves ransomware open to known-plaintext attack.
Use of single XOR key leaves ransomware open to known-plaintext attack. It has been said many times before: cryptography is hard. Earlier this year, the authors of the 'Bitcrypt'… https://www.virusbulletin.com/blog/2014/09/crypto-blunder-makes-torrentlocker-easy-crack/

Researchers release CryptoLocker decryption tool

Tool uses private keys found in database of victims.
Tool uses private keys found in database of victims.Please note: this blog post was written in August 2014 and refers to a particular kind of encryption-ransomware that was active… https://www.virusbulletin.com/blog/2014/08/researchers-release-cryptolocker-decryption-tool/

Researchers crack ransomware encryption

'Bitcrypt' authors confused their bytes and digits.
'Bitcrypt' authors confused their bytes and digits. Two French researchers have found a serious vulnerability in a new piece of ransomware that has allowed them to crack the keys… https://www.virusbulletin.com/blog/2014/02/researchers-crack-ransomware-encryption/

Browser-based ransomware uses scare tactics to extort money

Unsophisticated scam shows the high level of commoditization of today's cybercrime.
Unsophisticated scam shows the high level of commoditization of today's cybercrime. A case of browser-based ransomware, that is currently using social engineering tactics in an… https://www.virusbulletin.com/blog/2014/01/browser-based-ransomware-uses-scare-tactics-extort-money/

NCA issues alert on CryptoLocker ransomware

Malware demands $1,000 ransom to decrypt files.
Malware demands $1,000 ransom to decrypt files. This weekend, the UK's National Crime Agency (NCA) issued an alert about the 'CryptoLocker' ransomware - following a similar alert… https://www.virusbulletin.com/blog/2013/11/nca-issues-alert-cryptolocker-ransomware/

VB2012 last-minute papers announced

Hot topics to be covered at VB conference in Dallas.
Hot topics to be covered at VB conference in Dallas. For the last six years, VB has set aside a section of the VB conference for 'last-minute' papers, the idea being that… https://www.virusbulletin.com/blog/2012/09/last-minute-papers-announced/

Gach do bonn a mbaineann a chur chugainn

Why cybercriminals may have a reason for using Irish language in a ransomware scam.
Why cybercriminals may have a reason for using Irish language in a ransomware scam. According to a story that made the security headlines this weekend, and which seems to orginate… https://www.virusbulletin.com/blog/2012/09/gach-do-bonn-mbaineann-chur-chugainn/

Ransom trojan demands Windows re-activation

Criminals make money through calls to supposedly free phone number.
Criminals make money through calls to supposedly free phone number. A new piece of ransomware has been discovered that shows the PC user a blue screen and asks them to re-activate… https://www.virusbulletin.com/blog/2011/04/ransom-trojan-demands-windows-re-activation/

Malicious applications target Orkut

Visitors to infected social network profiles redirected to phishing sites.
Visitors to infected social network profiles redirected to phishing sites. Users of the social networking site Orkut have found themselves targeted by malicious applications that… https://www.virusbulletin.com/blog/2010/11/malicious-applications-target-orkut/

File encryption blackmail scam returns

Kaspersky warns of new and nasty data-ransom trojan.
Kaspersky warns of new and nasty data-ransom trojan. Malware analysts at Kaspersky Lab have warned of the return of the 'Gpcoder' trojan, a nasty piece of 'ransomware' which… https://www.virusbulletin.com/blog/2008/06/file-encryption-blackmail-scam-returns/

Monster haul of data reaped from job site

Trojan gathers 1.6 million sets of jobseeker records.
Trojan gathers 1.6 million sets of jobseeker records. Researchers at Symantec have reported discovering a server carrying 1.6 million entries from the popular jobseeking website… https://www.virusbulletin.com/blog/2007/08/monster-haul-data-reaped-job-site/

Ransomware returns

Trojan hides personal data, demands money with menaces.
Trojan hides personal data, demands money with menaces. A new version of a ransomware trojan has been sighted, recalling the warnings of two years ago when similar items first… https://www.virusbulletin.com/blog/2007/07/ransomware-returns/

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