VB Blog

Weak keys and prime reuse make Diffie-Hellman implementations vulnerable

Posted by Virus Bulletin on May 20, 2015

'Logjam' attack possibly used by the NSA to decrypt VPN traffic.

Posted by Virus Bulletin on May 15, 2015

87% discount for students and the option to give a lightning talk.

Posted by Virus Bulletin on May 14, 2015

Once again this Throwback Thursday, we bring you not one but two (related) pieces from the archives as VB heads back to the mid-90s when a new era of viruses was believed to be dawning.

Posted by Virus Bulletin on May 13, 2015

John Hawes reviews Carey Nachenberg's debut novel.

Posted by Virus Bulletin on May 11, 2015

Paul Baccas reviews Data and Goliath 'The Hidden Battles to Collect You Data and Control Your World', by Bruce Schneier.

Posted by Virus Bulletin on May 7, 2015

Once again this Throwback Thursday, we bring you not one but two (related) pieces from the archives as VB heads back to 2000 in the week of the 15th anniversary of the LoveLetter virus.

Posted by Virus Bulletin on May 5, 2015

For most people, the biggest security threat is that of themselves doing something they shouldn't do.

Posted by Virus Bulletin on May 1, 2015

Clean sweep of passes in VB100 test on Red Hat Enterprise Linux.

Posted by Virus Bulletin on Apr 30, 2015

Just because it won't be exploited, doesn't mean you shouldn't patch it.

Posted by Virus Bulletin on Apr 30, 2015

This Throwback Thursday, we bring you not one but two (related) pieces from the archives as VB heads back to 1996 to look at events surrounding the issuing of the UK's first custodial sentence for writing and distributing computer viruses.

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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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VB Blog

Weak keys and prime reuse make Diffie-Hellman implementations vulnerable

Virus Bulletin announces student tickets for VB2015

Throwback Thursday: Double Trouble / The Perfect Couple

Book review: The Florentine Deception, by Carey Nachenberg

Book review: Data and Goliath, by Bruce Schneier

Throwback Thursday: When Love came to Town

You are your own threat model

Report: six anti-virus solutions pass annual Linux test

POODLE is the brown M&Ms of security

Throwback Thursday: Regina v Christopher Pile: The Inside Story & Off with his Head!