VB Blog

Subtle change could see a reduction in installation of malicious Chrome extensions

Posted by Martijn Grooten on Jun 13, 2018

Google has made a subtle change to its Chrome browser, banning the inline installation of new extensions, thus making it harder for malware authors to trick users into unwittingly installing malicious extensions.

Posted by Martijn Grooten on Jun 11, 2018

We publish a paper by researchers from Quick Heal Security Labs in India, who study the EternalBlue and DoublePulsar exploits in full detail.

Posted by Virus Bulletin on Jun 1, 2018

Several VB2018 papers deal explicitly or implicitly with threats that have been attributed to North Korean actors.

Posted by Martijn Grooten on May 31, 2018

The domain of the little-used SpamCannibal DNS blacklist had expired, resulting in it effectively listing every single IP address.

Posted by Martijn Grooten on May 30, 2018

Researchers at IBM X-Force have discovered MnuBot, a banking trojan targeting users in Brazil, which is noteworthy for using SQL Server for command and control communication.

Posted by Martijn Grooten on May 24, 2018

The 68-byte EICAR test file plays as important a role today as it did 19 years ago. In this week's Throwback Thursday we look back at a VB99 conference paper in which Randy Abrams described how this 'miracle tool' worked and how it could be used.

Posted by Martijn Grooten on May 23, 2018

A new piece of cryptocurrency-mining malware on macOS has been found to use the popular XMRig miner.

Posted by Martijn Grooten on May 22, 2018

CDN provider Cloudflare reports an increase in DDoS attacks targeting layer 7 and focusing on exhausting server resources rather than sending large volumes of data. This fits in a wider trend.

Posted by Martijn Grooten on May 15, 2018

Through fake social media accounts, users were tricked into installing an Android application that was actually a mobile version of the FinFisher spyware.

Posted by Martijn Grooten on May 9, 2018

The Hide'n'Seek IoT botnet has received an update to make its infection persist on infected devices beyond a restart.

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Scammers take advantage of Epsilon data breach

Trojan hidden as security tool for affected customers.
Trojan hidden as security tool for affected customers. Scammers are currently taking advantage of the data breach that affected email security provider Epsilon recently, by… https://www.virusbulletin.com/blog/2011/04/scammers-take-advantage-epsilon-data-breach/

First AV-Test certifications of 2011 published

22 products scored on multiple scales in quarterly test report.
22 products scored on multiple scales in quarterly test report. Testing organization AV-Test has published its latest round of anti-malware certification tests, with 22 products… https://www.virusbulletin.com/blog/2011/04/first-av-test-certifications-2011-published/

Department of Justice shuts down Coreflood botnet

'Stop' command sent from replaced command and control servers.
'Stop' command sent from replaced command and control servers. Earlier this week the US Department of Justice (DoJ) obtained an unprecedented temporary restraining order (TRO) that… https://www.virusbulletin.com/blog/2011/04/department-justice-shuts-down-coreflood-botnet/

Adobe releases emergency update for Flash Player

Zero-day exploit actively being abused.
Zero-day exploit actively being abused.Adobe has announced it will release an update for its Flash Player on Friday 15 April, fixing a vulnerability that is currently being… https://www.virusbulletin.com/blog/2011/04/adobe-releases-emergency-update-flash-player/

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/

AV-Comparatives unveils latest on-demand results

20 products rated in large-scale detection tests.
20 products rated in large-scale detection tests. Testing organization AV-Comparatives has revealed the results of its latest on-demand test. Top-rated products include Trustport,… https://www.virusbulletin.com/blog/2011/04/av-comparatives-unveils-latest-demand-results/

Major email service provider suffers data breach

Financial institutions among affected customers.
Financial institutions among affected customers. Email service provider Epsilon, which carries out email marketing for many major companies, has admitted it has fallen victim to a… https://www.virusbulletin.com/blog/2011/04/major-email-service-provider-suffers-data-breach/

RSA gives insight into anatomy of attack on its systems

Publicly available information used to spear phish employees.
Publicly available information used to spear phish employees. Security company RSA has released some information about how hackers gained access to its systems, giving a good… https://www.virusbulletin.com/blog/2011/04/rsa-gives-insight-anatomy-attack-its-systems/

April

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/04/

April issue of VB published

The April issue of Virus Bulletin is now available for subscribers to download.
The April issue of Virus Bulletin is now available for subscribers to download. The April 2011 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2011/04/april-issue-vb-published/

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/

South Korea proposes to make security software mandatory

Law enables government to search PCs of those who do not comply.
Law enables government to search PCs of those who do not comply. A bill, proposed by a number of South Korean MPs, would make the use of security software mandatory for computer… https://www.virusbulletin.com/blog/2011/03/south-korea-proposes-make-security-software-mandatory/

Rogue SSL certificates issued for popular websites

Certificates revoked, but browsers still need to be updated.
Certificates revoked, but browsers still need to be updated.Comodo, a major vendor of SSL certificates, has admitted to one of its affiliates' servers being hacked, leading to nine… https://www.virusbulletin.com/blog/2011/03/rogue-ssl-certificates-issued-popular-websites/

Cutwail botnet sent 1.7 trillion spam messages

Operators made several million through botnet.
Operators made several million through botnet. Researchers from The Last Line of Defense and universities in Bochum and Santa Barbara have shared some insight into the workings of… https://www.virusbulletin.com/blog/2011/03/cutwail-botnet-sent-1-7-trillion-spam-messages/

Spam levels take a nose dive as Rustock apparently taken down - update

Eerie silence from Rustock botnet. Microsoft reported to have co-ordinated take down.
Eerie silence from Rustock botnet. Microsoft reported to have co-ordinated take down. Spam levels have taken a nose dive over the last 24 hours - apparently as a result of a take… https://www.virusbulletin.com/blog/2011/03/spam-levels-take-nose-dive-rustock-apparently-taken-down-update/

Increase in use of mobile anti-malware protection

Poll shows smartphone users more likely to use anti-malware protection on their phones than three years ago.
Poll shows smartphone users more likely to use anti-malware protection on their phones than three years ago. In a poll of visitors to the VB website, 57% of smartphone users said… https://www.virusbulletin.com/blog/2011/03/increase-use-mobile-anti-malware-protection/

Taking Brain home

Short film features Mikko Hyppönen returning first PC virus to its birthplace.
Short film features Mikko Hyppönen returning first PC virus to its birthplace. Anti-malware vendor F-Secure released a short documentary film this week to mark the 25th anniversary… https://www.virusbulletin.com/blog/2011/03/taking-brain-home/

Tsunami response quick among cybercriminals

Miscreants releasing scams, phishing, scareware... within a matter of hours.
Miscreants releasing scams, phishing, scareware... within a matter of hours. As most of the world reels in shock at the devastation caused by this morning's massive earthquake in… https://www.virusbulletin.com/blog/2011/03/tsunami-response-quick-among-cybercriminals/

Cybercriminals frustrated with botnet trackers

Drastic measures discussed by users of online forum.
Drastic measures discussed by users of online forum. Russian cybercriminals are willing to go to great lengths to frustrate services that hinder botnets created with the ZeuS and… https://www.virusbulletin.com/blog/2011/03/cybercriminals-frustrated-botnet-trackers/

ENISA calls for revised botnet measurements

EU agency says current measures of botnet threat are misleading.
EU agency says current measures of botnet threat are misleading. European cyber security agency, ENISA (the European Network and Information Security Agency) has called for a… https://www.virusbulletin.com/blog/2011/03/enisa-calls-revised-botnet-measurements/

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