NOD32 alerts on suspect adverts

Posted by   Virus Bulletin on   Jul 2, 2007

False positive reveals sneaky techniques used in ads.

ESET's NOD32 product was updated several times in close succession over the weekend, as false positives were introduced flagging some JavaScript-based web advertising as the JS/Tivso trojan, and rapid adjustments were made to correct the false alarms.

The incident, besides showing some very speedy response times for turning around fixes (an initial fix went out within an hour-and-a-half of initial notification, and the whole incident lasted less than 7 hours), also reminds users of some of the similarities between the darker side of the advertising world and full-blown malware. The adverts involved in this incident used code-obfuscation techniques, typical of malware creators, to protect some aspect of their advertising code which is designed to run in secret on the systems of its unwitting, unwilling recipients.

'With advertising money funding a large proportion of spam, and behind the menace of adware, intrusive online advertising has long been unpopular,' said John Hawes, Technical Consultant at Virus Bulletin. 'Its creators will not make any new friends by using devious obfuscation techniques, and no complaints were received from ESET customers denied access to advertising.'

A report on the issue can be found at heise security, here, with an ESET blog entry responding to the problem here.

Posted on 02 July 2007 by Virus Bulletin

twitter.png
fb.png
linkedin.png
googleplus.png
reddit.png

 

Latest posts:

VB2018 call for papers now open!

Have you analysed a new online threat? Do you know a new way to defend against such threats? Are you tasked with securing systems and fending off attacks? The call for papers for VB2018 is now open and we want to hear from you!

Book review: Serious Cryptography

VB Editor Martijn Grooten recommends Jean-Philippe Aumasson's 'Serious Cryptography' as a very solid but practically focused introduction to cryptography.

Necurs pump-and-dump spam campaign pushes obscure cryptocurrency

A Necurs pump-and-dump spam campaign pushing the lesser known Swisscoin botnet is mostly background noise for the Internet.

Alleged author of creepy FruitFly macOS malware arrested

A 28-year old man from Ohio has been arrested on suspicion of having created the mysterious FruitFly malware that targeted macOS and used it to spy on its victims.

The threat and security product landscape in 2017

At the start of the new year, Virus Bulletin looks back at the threats seen in the 2017 and at the security products that are available to help mitigate them.