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.

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Paper: EternalBlue: a prominent threat actor of 2017–2018

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.

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'North Korea' a hot subject among VB2018 talks

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.

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Expired domain led to SpamCannibal's blacklist eating the whole world

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.

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MnuBot banking trojan communicates via SQL server

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.

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Throwback Thursday: Giving the EICAR test file some teeth

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.

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XMRig used in new macOS cryptominer

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.

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Tendency for DDoS attacks to become less volumetric fits in a wider trend

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.

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Turkish Twitter users targeted with mobile FinFisher spyware

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.

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Hide'n'Seek IoT botnet adds persistence

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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September issue of VB published

The September issue of Virus Bulletin is now available for subscribers to download.
The September issue of Virus Bulletin is now available for subscribers to download. The September 2011 issue of Virus Bulletin is now available for subscribers to browse online… https://www.virusbulletin.com/blog/2011/09/september-issue-vb-published/

September

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/09/

Researchers find email used in RSA hack

Email with malicious attachment uploaded to online scanning service
Email with malicious attachment uploaded to online scanning service Researchers at F-Secure have managed to obtain the file used in the targeted attack against security vendor RSA… https://www.virusbulletin.com/blog/2011/08/researchers-find-email-used-rsa-hack/

Explosive growth of malicious spam

Spam filters less likely to block current malware campaigns.
Spam filters less likely to block current malware campaigns. While several reports show that the global levels of spam have seen a steady decline over the past year, this month has… https://www.virusbulletin.com/blog/2011/08/explosive-growth-malicious-spam/

Spam sent via fake out-of-office messages

'Sick leave' message followed by weight loss spam.
'Sick leave' message followed by weight loss spam. In an apparently new way of spreading their messages, spammers are advertising their products via fake out-of-office replies.… https://www.virusbulletin.com/blog/2011/08/spam-sent-fake-out-office-messages/

Fake codec trojan disables anti-virus software

Victim tricked into believing security software still active.
Victim tricked into believing security software still active. A new trojan, discovered by researchers at ESET, spreads itself via fake codecs, then disables running anti-virus… https://www.virusbulletin.com/blog/2011/08/fake-codec-trojan-disables-anti-virus-software/

Banking malware tells user to 'refund' money

Web injection used to suggest accidental transfer.
Web injection used to suggest accidental transfer. In a new twist to banking trojans, a piece of malware found on German computers tricks victims into believing a large amount has… https://www.virusbulletin.com/blog/2011/08/banking-malware-tells-user-refund-money/

August issue of VB published

The August issue of Virus Bulletin is now available for subscribers to download.
The August issue of Virus Bulletin is now available for subscribers to download. The August 2011 issue of Virus Bulletin is now available for subscribers to browse online or… https://www.virusbulletin.com/blog/2011/08/august-issue-vb-published/

August

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/08/

AV-Test.org unveils latest certifications

Q2 test results covering 22 products released.
Q2 test results covering 22 products released. Independent testing body AV-Test.org has released the results of its latest round of testing, putting 22 of the latest security… https://www.virusbulletin.com/blog/2011/07/av-test-org-unveils-latest-certifications/

Rogue Twitter application steals passwords

'See who stalks my Twitter' used to lure users.
'See who stalks my Twitter' used to lure users. A malicious Twitter application is currently spreading on the microblogging network, luring users to hand over their passwords,… https://www.virusbulletin.com/blog/2011/07/rogue-twitter-application-steals-passwords/

Hotmail beefs up security with stricter password policy

'My friend has been spammed' button also welcomed by experts.
'My friend has been spammed' button also welcomed by experts.Microsoft's free webmail service Hotmail has introduced some new features which should make it less likely for its… https://www.virusbulletin.com/blog/2011/07/hotmail-beefs-security-stricter-password-policy/

Trojan uses remote user account to control compromised machine

Malware targets customers of Brazilian banks.
Malware targets customers of Brazilian banks. Researchers at Kaspersky have discovered a piece of malware aimed at customers of Brazilian banks which creates a remote user account… https://www.virusbulletin.com/blog/2011/07/trojan-uses-remote-user-account-control-compromised-machine/

Latest VBSpam certification results published

Latest VBSpam results published - full report now also available.
Latest VBSpam results published - full report now also available. The results of the July VBSpam comparative review have been announced. The 14th VBSpam test showed both a number… https://www.virusbulletin.com/blog/2011/07/latest-vbspam-certification-results-published/

Zitmo trojan for Android defeats two-factor authentication

Malware intercepts TANs sent via SMS.
Malware intercepts TANs sent via SMS. A new variant of the Zitmo trojan has been discovered that infects mobile devices running the Android platform and which intercepts SMS… https://www.virusbulletin.com/blog/2011/07/zitmo-trojan-android-defeats-two-factor-authentication/

Google delists all .co.cc domains from its index

Large fraction of sites deemed 'spammy or low-quality'.
Large fraction of sites deemed 'spammy or low-quality'.Google has removed all sites running on subdomains of .co.cc from its search engine index as the company believes too large a… https://www.virusbulletin.com/blog/2011/07/google-delists-all-co-cc-domains-its-index/

July issue of VB published

The July issue of Virus Bulletin is now available for subscribers to download.
The July issue of Virus Bulletin is now available for subscribers to download. The July 2011 issue of Virus Bulletin is now available for subscribers to browse online or download… https://www.virusbulletin.com/blog/2011/07/july-issue-vb-published/

July

Anti-virus and security related news provided by independent anti-virus advisors, Virus Bulletin
https://www.virusbulletin.com/blog/2011/07/

Spammers using social network templates

Templates from social networking sites used to make messages appear legitimate.
Templates from social networking sites used to make messages appear legitimate. According to Symantec, spammers are increasingly using templates from social networking sites to… https://www.virusbulletin.com/blog/2011/06/spammers-using-social-network-templates/

International co-operation leads to scareware arrests

ChronoPay co-founder arrested for DDoS attacks on rivals.
ChronoPay co-founder arrested for DDoS attacks on rivals. Last week, Russian authorities arrested Pavel Vrublevsky, co-founder of ChronoPay, Russia's largest processor of online… https://www.virusbulletin.com/blog/2011/06/international-co-operation-leads-scareware-arrests/

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