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VB2017: nine last-minute papers announced

From attacks on Ukraine's power grid to web shells, and from car hacking to ransomware: we announce the first nine 'last-minute' papers on the VB2017 programme.
At Virus Bulletin we try not to follow the daily security hype, focusing instead on the bigger trends. This means that the topics covered on the VB2017 conference programme – the… https://www.virusbulletin.com/blog/2017/09/vb2017-nine-last-minute-papers-announced/

NoMoreRansom's first birthday demonstrates importance of collaboration

This week the NoMoreRansom project celebrated its first birthday. It has already helped many victims of ransomware with advice and tools and is an excellent example of collaboration between private and public partners in IT security.
This week, the NoMoreRansom project celebrates its first anniversary and can look back to subtle but important successes in the fight against ransomware. The advice from… https://www.virusbulletin.com/blog/2017/07/nomoreransoms-first-birthday-shows-importance-collaboration/

48 hours after initial reports, many mysteries remain around the latest ransomware/wiper threat

Whether you call it Petya, NotPetya, Nyetya or Petna, there are still many mysteries surrounding the malware that has been causing havoc around the world.
"What's in a name? that which we call a rose By any other name would smell as sweet" Shakespeare's philosophising can equally be applied to malware, and whether you call it… https://www.virusbulletin.com/blog/2017/06/48-hours-after-initial-reports-many-mysteries-around-latest-ransomwarewiper-threat-remain/

WannaCry shows we need to understand why organizations don't patch

Perhaps the question we should be asking about WannaCry is not "why do so many organizations allow unpatched machines to exist on their networks?" but "why doesn't patching work reasonably well most of the time?"
For the past few days, the world of Infosec on Twitter has tried to find as many ways as possible of saying "we told you so". To be fair, it's true – we did tell you so: for… https://www.virusbulletin.com/blog/2017/may/wannacry-shows-we-need-understand-why-organisations-dont-patch/

Modern security software is not necessarily powerless against threats like WannaCry

The WannaCry ransomware has affected many organisations around the world, making it probably the worst and most damaging of its kind. But modern security is not necessarily powerless against such threats.
We have become used to the idea of cybersecurity stories sometimes making the mainstream news, but the UK's newspapers across the spectrum, from broadsheets to tabloids, all… https://www.virusbulletin.com/blog/2017/may/modern-security-software-not-powerless-against-threats-wannacry/

Ransomware not a problem for half of businesses

According to a report by IBM Security, 70 per cent of businesses that are the victim of a ransomware attack end up paying the ransom. However, the report also suggests that a little over half of businesses manage to avoid getting infected at all, showing …
If you are wondering why ransomware continues to thrive, a recent study from IBM Security provides a simple explanation: 70 per cent of the ransomware-infected businesses they… https://www.virusbulletin.com/blog/2017/01/ransomware-not-problem-half-businesses/

Paper: Spreading techniques used by malware

In a new paper published by Virus Bulletin, Acalvio researcher Abhishek Singh discusses some of the techniques used by malware to increase its impact by spreading further.
Malware infections usually start with a user opening an attachment, visiting a link, or simply accessing an infected site with a vulnerable browser. But once malware has infected… https://www.virusbulletin.com/blog/2016/december/paper-spreading-techniques-used-malware/

VB2016 preview: Cryptography mistakes in malware

At VB2016, two talks will discuss mistakes made by malware authors in cryptographic implementations. Ben Herzog and Yaniv Balmas will present a paper in which they look at a number of these mistakes, while Malwarebytes researcher hasherezade will present …
"Don't roll your own crypto", software developers are often told: cryptography is hard and thus it is always safer to use a well-tested public library rather than writing your own… https://www.virusbulletin.com/blog/2016/september/vb2016-preview-presentations-cryptography-mistakes-malware/

Guest blog: Nemucod ransomware analysis

In a guest blog, Webroot researcher Jesse Lopez looks at another variant in the massive crop of malware that takes users’ files hostage: Nemucod ransomware.
In the run up to VB2016, we invited the sponsors of the conference to write guest posts for our blog. In the third of this series, Webroot's Jesse Lopez writes about the Nemucod… https://www.virusbulletin.com/blog/2016/september/guest-blog-nemucod-ransomware-analysis/

Romanian university website compromised to serve Neutrino exploit kit

The website of the Carol Davila University of Medicine and Pharmacy has been compromised to inject a hidden iframe into the site's source code that serves the Neutrino exploit kit and may infect visitors with ransomware.
This blog post was written by Martijn Grooten and Adrian Luca. Like every summer, millions of prospective students around the world have been taking entry exams for the… https://www.virusbulletin.com/blog/2016/07/romanian-university-website-compromised-serve-neutrino-exploit-kit/

Paying a malware ransom is bad, but telling people never to do it is unhelpful advice

The current ransomware plague is one of the worst threats the Internet has seen and it is unlikely to go away any time soon. But telling people to never pay the ransom is unhelpful advice.
I'm not usually one to spread panic about security issues, but in the case of the current ransomware plague, I believe that at the very least a sense of great concern is… https://www.virusbulletin.com/blog/2016/04/paying-malware-ransom-bad-telling-people-never-do-it-unhelpful-advice/

New tool helps ransomware victims indentify the malware family

The people behind the MalwareHunterTeam have released a tool that helps victims of ransomware identify which of more than 50 families has infected their system, something which could help them find a tool to decrypt their files.
Malware infections are never fun, but ransomware is particularly nasty and the plague doesn't seem likely to cease any time soon: new families are spotted almost daily. A small… https://www.virusbulletin.com/blog/2016/04/new-tool-helps-ransomware-victims-indentify-malware-family/

Researchers seek ransomware samples for their generic solution

VB2015 presentation to include demonstration of technique against recent samples.
VB2015 presentation to include demonstration of technique against recent samples. 'The scary hack that's on the rise' is how Wired's Kim Zetter described ransomware in an overview… https://www.virusbulletin.com/blog/2015/09/researchers-seek-ransomware-samples-their-generic-solution/

TorrentLocker spam has DMARC enabled

Use of email authentication technique unlikely to bring any advantage.
Use of email authentication technique unlikely to bring any advantage. Last week, Trend Micro researcher Jon Oliver (who presented a paper on Twitter abuse at VB2014) wrote an… https://www.virusbulletin.com/blog/2015/03/torrentlocker-spam-has-dmarc-enabled/

'RansomWeb' ransomware targets companies' databases

Encryption first added as a patch, key only removed when all backups are encrypted.
Encryption first added as a patch, key only removed when all backups are encrypted. Make backups, they said. Then you won't have to worry about ransomware, they said. Ransomware… https://www.virusbulletin.com/blog/2015/02/ransomweb-ransomware-targets-companies-databases/

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/

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